NPDES Permits in New England
Massachusetts
Final Individual Permits
To view attachments common to many permits use the "EPA Permit Forms & Attachments" link in the left hand navigation.
Notes:
DWTP = Drinking Water Treatment Plant
POTW = Publicly Owned Treatment Works
SSWWD = Subsurface Wastewater Disposal
SWWDS = Surface Wastewater Disposal System
WPCA(D/F/P) = Water Pollution Control Authority (Division/Facility/Plant)
WTF(P) = Water Treatment Facility (Plant)
WWTF(P) = Wastewater Treatment Facility (Plant)
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| City - Town (Watershed) | Facility Name | Permit Number | Date of Issuance |
|---|---|---|---|
| Acton (Assabet River) | Powder Mill Plaza WWTP (PDF) (11 pp, 125 K) | MA0028835 | 06/05/2006 |
| Acushnet (Acushnet River) | P.J. Keating Company (PDF) (12 pp, 116 K) | MA0029297 | 09/12/2007 |
| Adams (Hoosic) | Adams WWTP (PDF) (14 pp, 189 K) | MA0100315 | 07/13/2005 |
| Adams (Hudson) | Specialty Minerals Inc (PDF) (10 pp, 64 K) | MA0005991 | 09/16/2003 |
| Allston (Charles River Basin (MA72-36)) | CSX Transportation, Inc. (PDF) (122 pp, 3.2 MB) | MA0025704 | 09/24/2014 |
| Allston (Charles River) | CSX Transportation, Inc [MODIFICATION] (PDF) (16 pp, 153 K) | MA0025704 | 02/02/2006 |
| Allston (Charles River) | CSX Transportation, Inc (PDF) (16 pp, 174 K) | MA0025704 | 07/01/2005 |
| Allston (Charles River) | Genzyme Corporation (PDF) (19 pp, 82 K) | MA0040291 | 05/01/2009 |
| Amesbury (Merrimack River) | Amesbury Water Pollution Abatement Facility (PDF) (43 pp, 230 K) | MA0101745 | 08/24/2010 |
| Amherst (Connecticut River) | Bioshelters, Inc. (PDF) (9 pp, 94 K) | MA0110281 | 12/17/2002 |
| Amherst (Connecticut River) | University of Massachusetts in Amherst (PDF) (6 pp, 37 K) | MA0032689 | 12/30/2003 |
| Ashland (Concord River) | Ashland Sand and Stone Inc. (PDF) (6 pp, 31 K) | MA0000132 | 11/21/2003 |
| Athol (Millers River) | Athol WWTP (PDF) (45 pp, 396 K) | MA0100005 | 06/24/2008 |
| Athol (Millers River) | L.S. Starrett Company (PDF) (14 pp, 130 K) | MA0001350 | 02/06/2009 |
| Attleboro (Ten Mile River) | Attleboro WPCF, City of (PDF) (129 pp, 1.9 MB) | MA0100595 | 06/09/2008 |
| Attleboro (Speedway Brook & Coopers Pond) | Texas Instruments, Inc (PDF) (39 pp, 3.3 MB) | MA0001791 | 10/25/2010 |
| Ayer (Nashua River (Segment MA81-05)) | Ayer WWTF (PDF) (125 pp, 2.2 MB) | MA0100013 | 12/29/2014 |
| Ayer (Nashua River (Segment MA81-05)) | Ayer WWTF (PDF) (11 pp, 208 K) | MA0100013 | 02/28/2006 |
| Balwinville (Beaver Brook and Millers River) | MA Department of Mental Health (PDF) (12 pp, 132 K) | MA0102156 | 08/11/2006 |
| Baldwinville (Otter River) | Seaman Paper Company of Massachusetts, Inc. (PDF) (100 pp, 1.6 MB) | MA0000469 | 02/27/2015 |
| Baldwinville (Otter River) | Seaman Paper Company of Massachusetts, Inc. (PDF) (13 pp, 90 K) | MA0000469 | 09/30/2008 |
| Baldwinville (Otter River Millers River) | Templeton WWTP (PDF) (15 pp, 163 K) | MA0100340 | 09/28/2005 |
| Barre (Ware River) | Barre WWTP, Town of (PDF) (102 pp, 3.7 MB) | MA0103152 | 03/26/2013 |
| Barre (Ware River) | Barre WWTP, Town of (PDF) (10 pp, 157 K) | MA0103152 | 11/16/2005 |
| Belchertown (Swift River) | Charles L. McLaughlin State Fish Hatchery (PDF) (61 pp, 1.1 MB) | MA0110043 | 01/27/2014 |
| Belchertown (Swift River) | Charles L. McLaughlin State Trout Hatchery (PDF) (12 pp, 42 K) | MA0110043 | 09/26/2007 |
| Belchertown (Chicopee River) | Massachusetts Water Resource Authority (PDF) (5 pp, 25 K) | MA0040185 | 02/10/2003 |
| Belchertown (Lampson Brook (MA34-06) to Connecticut River) | Belchertown Water Reclamation Facility, Town of (PDF) (99 pp, 1.6 MB) | MA0102148 | 07/31/2014 |
| Belchertown (Lampson Brook to Connecticut River) | Belchertown Water Reclamation Facility, Town of (PDF) (6 pp, 100 K) | MA0102148 | 06/09/2005 |
| Billerica (Concord River (MA82A-08)) | Billerica WWTF (PDF) (116 pp, 1.6 MB) | MA0101711 | 04/23/2014 |
| Billerica (Concord River) | Billerica WWTP (PDF) (13 pp, 168 K) | MA0101711 | 09/09/2005 |
| Billerica (Concord River (MA82A-07), (USGS Hydrologic Code #01070005 - Merrimack River Basin)) | Entegris, Inc. (PDF) (54 pp, 795 K) | MA0040339 | 03/12/2016 |
| Billerica (Concord River) | Entegris, Inc. (PDF) (24 pp, 405 K) | MA0040339 | 09/23/2009 |
| Boston (Boston Inner Harbor to MA Bay) | Boston Ship Repair, LLC (PDF) (97 pp, 1.4 MB) | MA0040142 | 11/18/2013 |
| Boston (Boston Inner Harbor to MA Bay) | Boston Ship Repair, Inc. (PDF) (7 pp, 34 K) | MA0040142 | 09/28/2007 |
| Boston (Boston Harbor) | Boston Water & Sewer 2007 [MODIFICATION] (PDF) (7 pp, 1.5 MB) | MA0101192 | 04/10/2007 |
| Boston (Boston Harbor) | Boston Water and Sewer (PDF) (8 pp, 31 K) | MA0101192 | 03/28/2003 |
| Boston (Boston Harbor) | Central Artery Tunnel (PDF) (10 pp, 43 K) | MA0033928 | 04/11/2003 |
| Boston (Fort Point Channel) | Gillette Company, The (PDF) (8 pp, 34 K) | MA0003832 | 07/10/2012 |
| Boston (Fort Point Channel) | Gillette Company, The (PDF) (8 pp, 44 K) | MA0003832 | 09/17/2003 |
| Boston (Boston Harbor) | Marine Industrial Park (PDF) (7 pp, 31 K) | MA0029424 | 11/01/2002 |
| Boston (Charles River (Segment MA72-38)) | MBTA Commuter Rail Mtc Facility North Station Railroad terminal (PDF) (1 pg, 161 K) Change of Operator from Mass Bay Commuter Railroad Company to Keolis Commuter Services, LLC |
MA0028941 | 07/17/2014 |
| Boston (Charles River) | Massachusetts Bay Transportation Authority (PDF) (44 pp, 160 K) | MA0028941 | 04/07/2010 |
| Boston (Boston Harbor) | Massachusetts Bay Transportation Authority (PDF) (15 pp, 81 K) | MA0036781 | 03/24/2004 |
| Boston - Metro West (SUASCO and Charles River Watersheds) | MWRA's Metrowest Tunnel (PDF) (22 pp, 96 K) | MA0103357 | 10/31/2002 |
| Boston (Massachusetts Bay) | Neptune LNG LLC [MODIFICATION] (PDF) (8 pp, 512 K) | MA0040258 | 03/30/2009 |
| Boston (Massachusetts Bay) | Neptune LNG LLC (PDF) (13 pp, 97 K) | MA0040258 | 06/06/2008 |
| Boston (Boston Inner Harbor) | New England Aquarium Corporation (PDF) (71 pp, 2 MB) | MA0003123 | 08/01/2013 |
| Boston (Boston Inner Harbor) | New England Aquarium Corporation (PDF) (6 pp, 35 K) | MA0003123 | 07/31/2007 |
| Boston (Dorchester Bay) | UMASS Boston (PDF) (89 pp, 1.7 MB) | MA0040304 | 02/07/2013 |
| Boston (Boston Harbor) | US Coast Guard Integrated Support Command Facility (PDF) (8 pp, 32 K) | MA0090671 | 10/11/2001 |
| Bourne (Back River, Buzzards Bay River Basin) | Lobster Trap Company, Inc. (PDF) (35 pp, 794 K) | MA0029092 | 08/06/2014 |
| Bourne (Back River, Buzzards Bay River Basin) | Lobster Trap Company, Inc. (PDF) (18 pp, 1.1 MB) | MA0029092 | 04/11/2005 |
| Bourne (Cape Cod Canal / Buzzards Bay) | Massachusetts Maritime Academy (PDF) (14 pp, 103 K) | MA0024368 | 02/25/2011 |
| Bradford (Merrimack River and Little River) | Haverhill WWTF, City of (PDF) (35 pp, 669 K) | MA0101621 | 12/05/2007 |
| Braintree (Weymouth Fore River) | Braintree Electric Light Department (PDF) (10 pp, 41 K) | MA0005517 | 11/03/2008 |
| Braintree (Weymouth Fore River) | Clean Harbors of Braintree, Inc. (PDF) (48 pp, 1.6 MB) | MA0031551 | 05/09/2011 |
| Brant Rock (Massachusetts Bay) | Marshfield, Town of (PDF) (10 pp, 101 K) | MA0101737 | 11/09/2006 |
| Bridgewater (Town River (Taunton Watershed (MA62-13)), Class B (Warm Water Fishery)) | Bridgewater WWTF (PDF) (153 pp, 6 MB) | MA0100641 | 09/30/2016 |
| Bridgewater (Taunton River) | Bridgewater WWTF (PDF) (11 pp, 68 K) | MA0100641 | 12/30/2003 |
| Bridgewater (Sawmill Brook Segment (62-36) draining to the Taunton River Segment (62-01)) | MCI Bridgewater Leo L. Dubois Water Pollution Control Facility (PDF) (79 pp, 3.3 MB) | MA0102237 | 08/05/2015 |
| Bridgewater (Sawmill Brook, Taunton Watershed) | MCI Bridgewater WPCF (PDF) (26 pp, 217 K) | MA0102237 | 12/14/2005 |
| Brockton (Salisbury Plain River (Taunton River Basin - MA62), Class B) | Brockton Advanced Water Reclamation Facility (Co-Permittees: Town of Abington, Town of Whitman) (PDF) (490 pp, 11.2 MB) | MA0101010 | 01/11/2017 |
| Brockton (Taunton River Watershed (MA62), Salisbury Plain River, Class B) | Brockton Advanced Water Reclamation Facility (Co-Permittees: Town of Abington, Town of Whitman) (PDF) (19 pp, 190 K) | MA0101010 | 05/11/2005 |
| Burlington Shawsheen Watershed | Quinn-Perkins Sand & Gravel, Inc (PDF) (7 pp, 40 K) | MA0004081 | 03/22/2005 |
| Buckland (Deerfield River) | Shelburne Falls POTW (PDF) (10 pp, 54 K) | MA0101044 | 12/23/2003 |
| Byfield (Mill River) | Governor Dummer Academy WWTF (PDF) (15 pp, 412 K) | MA0030350 | 09/28/2011 |
| Cambridge (Charles River) | Blackstone Steam Plant (Harvard University) (57 pp, 1.4 MB) | MA0004901 | 04/22/2014 |
| Cambridge (Charles River) | Blackstone Steam Plant (Harvard University) (6 pp, 31 K) | MA0004901 | 05/18/2007 |
| Cambridge (Alewife Brook & Charles River) | Cambridge CSOs, City of (PDF) (114 pp, 4.7 MB) | MA0101974 | 09/30/2009 |
| Cambridge (Charles River & Broad Canal) | GenOn Kendall Cogeneration Station (PDF) (53 pp, 224 K) | MA0004898 | 12/17/2010 |
| Cambridge (Charles River) | OPK Biotech, LLC (PDF) (29 pp, 2.1 MB) | MA0036366 | 12/14/2011 |
| Cambridge (Alewife Brook) | Shire Human Genetics Therapies, Inc. (PDF) (59 pp, 885 K) | MA0040321 | 03/13/2015 |
| Cambridge (Alewife Brook) | Shire Human Genetics Therapies, Inc. (PDF) (5 pp, 21 K) | MA0040321 | 07/17/2009 |
| Charlemont (Deerfield River) | Charlemont Sewer District POTW (PDF) (10 pp, 45 K) | MA0103101 | 02/04/2004 |
| Charlestown (Millers River) | Boston Sand and Gravel Company (PDF) (12 pp, 40 K) | MA0000531 | 09/28/2007 |
| Charlestown (Mystic River) | Sithe Mystic Power Plant (PDF) (23 pp, 135 K) | MA0004740 | 08/17/2001 |
| Charlton (Cady Brook) | Charlton WWTF (PDF) (48 pp, 6.1 MB) | MA0101141 | 01/20/2011 |
| Chatham (Chatham Harbor) | Chatham Pier Fish Market, Inc. (PDF) (22 pp, 342 K) | MA0040215 | 05/19/2011 |
| Chelsea (Chelsea River and Boston Inner Harbor) | Chelsea, City of (PDF) (117 pp, 3.1 MB) | MA0101877 | 11/26/2013 |
| Chelsea (Chelsea River (MA71-06) / Mystic River Watershed) | Chelsea Sandwich Terminal (PDF) (283 pp, 2.8 MB) | MA0003280 | 09/24/2014 |
| Chelsea (Chelsea / Mystic River) | Chelsea Sandwich, LLC | MA0003280 | 06/30/2005 |
| Chelsea (Chelsea / Mystic River) | Coastal Oil of New England, Inc. | MA0004375 | 06/30/2005 |
| Chelsea (Chelsea River (MA71-06) / Mystic River Watershed) | Gulf Oil Terminal (PDF) (278 pp, 3.2 MB) | MA0001091 | 09/24/2014 |
| Chelsea (Chelsea / Mystic River) | Gulf Oil Limited Partnership [MODIFICATION] (PDF) (2 pp, 32 K) | MA0001091 | 01/19/2007 |
| Chelsea (Chelsea / Mystic River) | Gulf Oil Limited Partnership | MA0001091 | 06/30/2005 |
| Chicopee (Chicopee & CT Rivers) | Chicopee WPCF, City of (PDF) (139 pp, 7.7 MB) | MA0101508 | 08/15/2012 |
| Chicopee (Chicopee & CT Rivers) | Chicopee WPCF, City of (PDF) (16 pp, 155 K) | MA0101508 | 05/17/2005 |
| Chicopee (Connecticut River) | South Hadley WWTP (PDF) (87 pp, 449 K) | MA0100455 | 09/27/2012 |
| Chicopee (Connecticut River, Stoney Brook, Buttery Brook) | South Hadley WWTP (PDF) (128 pp, 6 MB) | MA0100455 | 06/12/2006 |
| Chicopee (Connecticut River, Stoney Brook, Buttery Brook) | South Hadley WWTP (PDF) (28 pp, 373 K) | MA0100455 | 04/03/2002 |
| Chilmark (Green Pond) | US Coast Guard Station Menemsha (PDF) (8 pp, 87 K) | MA0090590 | 09/20/2007 |
| Clinton and Lancaster Co-Permittees (South Branch Nashua River (MA81-09), Class B - Warm Water Fishery ) | MWRA - Clinton (PDF) (350 pp, 11.5 MB) | MA0100404 | 12/21/2016 |
| Clinton (Concord River) | MWRA's Cosgrove Intake (PDF) (10 pp, 41 K) | MA0040134 | 10/25/2002 |
| Cohasset (Cohasset Cove) | Cohasset WWTP (PDF) (15 pp, 60 K) | MA0100285 | 07/18/2007 |
| Colrain (North River (Deerfield River Watershed)) | Barnhardt Manufacturing Company (PDF) (56 pp, 250 K) | MA0003697 | 10/26/2010 |
| Concord (Concord River) | Concord WWTP, Town of (PDF) (166 pp, 3.8 MB) | MA0100668 | 08/01/2013 |
| Concord (Concord River) | Concord WWTP, Town of (PDF) (12 pp, 260 K) | MA0100668 | 01/12/2006 |
| Concord (Assabet River (MA82B-07)) | MCI - Concord Water Pollution Control Facility (PDF) (113 pp, 3.9 MB) | MA0102245 | 08/30/2016 |
| Concord (Assabet River) | MCI - Concord (PDF) (76 pp, 2.1 MB) | MA0102245 | 08/12/2005 |
| Concord (Spencer Brook) | Middlesex School WWTP (PDF) (59 pp, 2.2 MB) | MA0102466 | 11/09/2011 |
| Dalton (Housatonic River) | Crane and Company, Inc. (PDF) (42 pp, 11.4 MB) | MA0000671 | 02/03/2012 |
| Dalton (Housatonic River) | Crane and Company, Inc. (PDF) (5 pp, 133 K) | MA0000671 | 09/30/2005 |
| Dartmouth (Buzzards Bay) | Dartmouth WPCF, Town of (PDF) (29 pp, 9.63 MB) | MA0101605 | 06/19/2009 |
| Deerfield (Deerfield River) | Old Deerfield POTW (PDF) (10 pp, 51 K) | MA0101940 | 12/18/2003 |
| Dighton (Taunton River) | INIMA USA, Co. (PDF) (8 pp, 54 K) | MA0040193 | 11/30/2006 |
| Dighton (Segregansett River) | Dighton-Rehoboth Regional High School (PDF) (8 pp, 48 K) | MA0022586 | 09/28/2006 |
| Dracut (Merrimack River) | Brox Industries Inc. (PDF) (7 pp, 81 K) | MA0040177 | 03/22/2007 |
| Duxbury (Duxbury Bay) | Battelle Duxbury Operations (PDF) (10 pp, 124 K) | MA0025852 | 01/18/2008 |
| East Boston (Mystic River) | ConocoPhillips Company (PDF) (16 pp, 156 K) | MA0004006 | 08/25/2006 |
| East Boston (Watershed: Boston Harbor, Boston Inner Harbor, Winthrop Bay) | Massachusetts Port Authority: Logan International Airport | MA0000787 | 07/31/2007 |
| East Boston (Boston Harbor to Massachusetts Bay (Boston Harbor Basin, MA70-01)) | Massachusetts Port Authority: Logan International Airport, Fire Training Facility (PDF) (66 pp, 1.1 MB) | MA0032751 | 08/15/2014 |
| East Boston (Boston Harbor) | Massachusetts Port Authority: Logan International Airport, Fire Training Facility (PDF) (6 pp, 75 K) | MA0032751 | 11/01/2006 |
| East Boston (Sales Creek and the adjacent wetlands (MA71-12)) | Sterling Suffolk Racecourse, LLC (Modification) (PDF) (68 pp, 2.3 MB) | MA0040282 | 09/14/2016 |
| East Boston (Sales Creek and the adjacent wetlands (MA71-12)) | Sterling Suffolk Racecourse, LLC (PDF) (237 pp, 9.2 MB) | MA0040282 | 09/30/2015 |
| East Boston (Chelsea River (MA71-06) / Mystic River Watershed) | Sunoco Logistics Terminal (PDF) (294 pp, 3.4 MB) | MA0004006 | 09/24/2014 |
| East Braintree (Weymouth Fore River) | CITGO Petroleum Corp. (PDF) (14 pp, 131 K) | MA0004782 | 06/20/2008 |
| East Bridgewater (Taunton River) | East Bridgewater High School (PDF) (8 pp, 57 K) | MA0022446 | 04/07/2004 |
| East Deerfield (CT River) | Boston & Maine Corporation (B&M) (PDF) (95 pp, 2.7 MB) | MA0000272 | 03/26/2013 |
| East Deerfield (CT River) | Boston & Maine Corporation (B&M) (PDF) (17 pp, 98 K) | MA0000272 | 08/11/2006 |
| East Douglas (Mumford River) | Douglas WWTF (PDF) (11 pp, 41 K) | MA0101095 | 03/01/2007 |
| East Fitchburg (North Nashua River, Sand Brook, Birch Brook, Baker Brook, Punch Brook) | Fitchburg East WWTF (PDF) (41 pp, 10.1 MB) | MA0100986 | 07/22/2010 |
| East Templeton (Otter River) | Gardner WWTF (PDF) (40 pp, 8.2 MB) | MA0100994 | 09/30/2009 |
| Easthampton (CT River and Manhan River) | Easthampton WWTF, City of (PDF) (133 pp, 2.3 MB) | MA0101478 | 08/13/2013 |
| Easthampton (CT River and Manhan River) | Easthampton WWTF, City of (PDF) (16 pp, 71 K) | MA0101478 | 09/29/2007 |
| Easthampton (Wetland adjacent to Wilton Brook) | JPS Elastomerics – Stevens Urethane (PDF) (38 pp, 5.7 MB) | MA0001503 | 10/25/2010 |
| East Walpole (Neponset River) | Hollingsworth and Vose Company (PDF) (21 pp, 280 K) | MA0004570 | 09/09/2011 |
| Erving (Millers River) | Erving POTW #1, Town of (PDF) (16 pp, 130 K) | MA0101516 | 09/29/2008 |
| Erving (Millers River) | Erving POTW #2, Town of (PDF) (37 pp, 150 K) | MA0101052 | 09/29/2008 |
| Erving (Millers River) | Erving POTW #3, Town of (PDF) (43 pp, 11.3 MB) | MA0102776 | 09/29/2008 |
| Erving (Millers River) | Erving POTW #3, Town of (PDF) (9 pp, 42 K) | MA0102776 | 11/17/2004 |
| Everett (Mystic River) | Distrigas of Massachusetts, LLC (PDF) (9 pp, 37 K) | MA0020010 | 09/28/2009 |
| Everett (Island End River/Mystic River Watershed) | ExxonMobil Everett Terminal (PDF) (54 pp, 507 K) | MA0000833 | 10/12/2011 |
| Fair Haven (Buzzards Bay) | Fairhaven WWTP (PDF) (12 pp, 46 K) | MA0100765 | 04/03/2003 |
| Fall River (Taunton River) | Fall River WWTP (PDF) (17 pp, 60 K) | MA0100382 | 12/07/2000 |
| Fall River (Taunton River) | Weaver's Cove Industrial Park LLC (Transfer of Ownership) (PDF) (1 pg, 101 K) | MA0004871 | 02/26/2016 |
| Fall River (Taunton River) | Weaver's Cove Energy LLC (PDF) (77 pp, 854 K) | MA0004871 | 03/25/2013 |
| Foxboro (Gudgeon Brook / Neponset Reservoir (001) and Robinson Brook (002)) | Invensys Systems, Inc. (PDF) (146 pp, 21.3 MB) | MA0004120 | 07/17/2015 |
| Gilbertville (Ware River) | Hardwick-Gilbertville WPCF (PDF) (41 pp, 939 K) | MA0100102 | 11/06/2012 |
| Gilbertville (Ware River) | Hardwick WPCF – Gilbertville (PDF) (10 pp, 50 K) | MA0100102 | 04/04/2006 |
| Gill (Connecticut River) | Northfield Mount Hermon School (PDF) (9 pp, 148 K) | MA0032573 | 09/30/2005 |
| Gloucester (Atlantic Ocean) | Light Station Eastern Point (PDF) (8 pp, 86 K) | MA0090492 | 09/20/2007 |
| Gloucester (Massachusetts Bay) | Shore Cliff – Deaconess Retirement Home (PDF) (9 pp, 124 K) | MA0027391 | 06/09/2005 |
| Grafton (Blackstone River) | Grafton, Town of (PDF) (126 pp, 3.5 MB) | MA0101311 | 05/23/2013 |
| Great Barrington (Housatonic River) | Great Barrington WWTF (PDF) (13 pp, 129 K) | MA0101524 | 03/13/2007 |
| Greenfield (Deerfield River) | Greenfield WPCP (PDF) (34 pp, 238 K) | MA0101214 | 09/28/2011 |
| Groton (Nashua River (Segment MA81-06)) | Groton School WWTP (PDF) (76 pp, 1.4 MB) | MA0033324 | 09/26/2014 |
| Groton (Nashua River (Segment MA81-06)) | Groton School WWTP (PDF) (11 pp, 116 K) | MA0033324 | 09/27/2007 |
| Hadley (Connecticut River (Connecticut River Watershed – MA34-04)) | Amherst WWTP, Town of (PDF) (94 pp, 755 K) | MA0100218 | 06/26/2012 |
| Hadley (Connecticut River (Connecticut River Watershed – MA34-04)) | Amherst WWTP, Town of (PDF) (43 pp, 282 K) | MA0100218 | 09/29/2006 |
| Hadley (Connecticut River) | Hadley Indian Hill WWTP (PDF) (56 pp, 260 K) | MA0100099 | 09/30/2011 |
| Hatfield (Connecticut River) | Hatfield WWTP (PDF) (53 pp, 4 MB) | MA0101290 | 12/16/2011 |
| Hatfield (Connecticut River) | Hatfield WWTP (PDF) (9 pp, 93 K) | MA0101290 | 04/27/2006 |
| Holbrook (Trout Brook) | Avon Custom Mixing Service, Inc. (PDF) (15 pp, 110 K) | MA0026883 | 09/26/2007 |
| Holden (Chaffins Brook, Nashua River Watershed (MA81-33)) | Alden Research Laboratory, Inc. (PDF) (69 pp, 1.1 MB) | MA0028801 | 08/01/2013 |
| Holden (Chaffins Brook, Nashua River Watershed (MA81-33)) | Alden Research Laboratory, Inc. [MODIFICATION] (PDF) (12 pp, 49 K) | MA0028801 | 09/30/2008 |
| Holden (Asnebumskit Brook) | ECC Corporation (PDF) (7 pp, 31 K) | MA0022799 | 08/13/2002 |
| Holden (Nashua River) | Holden Trap Rock Company (PDF) (8 pp, 30 K) | MA0020320 | 03/28/2003 |
| Holyoke (Connecticut River) | Cabot Street Station (PDF) (11 pp, 278 K) | MA0001520 | 12/08/2005 |
| Holyoke (Connecticut River (Segment MA 34-05), Class B Warm Water Fishery) | Holyoke WPCF and CSOs, City of (PDF) (156 pp, 5 MB) | MA0101630 | 10/25/2016 |
| Holyoke (Connecticut River (Segment MA 34-05), Class B Warm Water Fishery) | Holyoke WPCF and CSOs, City of (PDF) (39 pp, 208 K) | MA0101630 | 07/01/2009 |
| Holyoke (Connecticut River (Segment MA34-04)) | Mount Tom Generating Station (PDF) (210 pp, 3.6 MB) | MA0005339 | 09/30/2015 |
| Hopedale (Mill River) | Hopedale, Town of (PDF) (127 pp, 2.6 MB) | MA0102202 | 08/06/2013 |
| Hopedale (Charles River) | Milford WWTF (PDF) (33 pp, 227 K) | MA0100579 | 11/09/2010 |
| Hudson (Assabet River) | Hudson WWTF (PDF) (13 pp, 141 K) | MA0101788 | 05/26/2005 |
| Hull (Mass Bay / Atlantic Ocean) | Hull WPCF (PDF) (21 pp, 3.9 MB) | MA0101231 | 09/01/2009 |
| Hull (Mass Bay) | US Coast Guard Light Station (PDF) (8 pp, 88 K) | MA0090433 | 09/20/2007 |
| Huntington (West Branch Westfield River (MA32-01)) | Huntington WWTP, Town of (PDF) (95 pp, 1.4 MB) | MA0101265 | 08/04/2016 |
| Huntington (Westfield River) | Huntington WWTP, Town of (PDF) (9 pp, 130 K) | MA0101265 | 09/04/2005 |
| Ipswich (Greenwood Creek to Ipswich River Estuary, SA (segment MA92-23)) | Ipswich WWTF, Town of (PDF) (100 pp, 3.2 MB) | MA0100609 | 07/06/2016 |
| Ipswich (Greenwood Creek, Ipswich Watershed (92)) | Ipswich WWTF, Town of (PDF) (10 pp, 45 K) | MA0100609 | 02/20/2003 |
| Lancaster (North Nashua River (MA81-04), Nashua River Watershed) | River Terrace Healthcare (PDF) (108 pp, 4.4 MB) | MA0025763 | 06/17/2015 |
| Lancaster (North Nashua River) | River Terrace Healthcare (PDF) (7 pp, 38 K) | MA0025763 | 03/31/2008 |
| Lee (Housatonic River) | Lee WWTF, Town of (PDF) (13 pp, 89 K) | MA0100153 | 09/23/2008 |
| Lee (Housatonic River) | Schweitzer-Mauduit International, Inc. (PDF) (8 pp, 33 K) | MA0005371 | 11/26/2007 |
| Leicester (French River) | Leicester Water Supply District Treatment Facility [MODIFICATION] (PDF) (40 pp, 5.2 MB) | MA0101796 | 07/29/2011 |
| Leicester (French River) | Leicester Water Supply District Treatment Facility (PDF) (38 pp, 4.6 MB) | MA0101796 | 09/30/2010 |
| Leominster (North Nashua River (MA81-04)) | Leominster WPCF, City of (PDF) (145 pp, 1.5 MB) | MA0100617 | 06/06/2014 |
| Leominster (North Nashua River (MA81-04)) | Leominster WPCF, City of (PDF) (28 pp, 4.9 MB) | MA0100617 | 09/28/2006 |
| Lenox Dale (Housatonic River) | Lenox WWTP, Town of (PDF) (12 pp, 198 K) | MA0100935 | 09/12/2007 |
| Lincoln (Headwaters Wetland to the Shawsheen River; Shawsheen River Basin (MA83-08)) | Battle Road Farm Condominium WWTF (PDF) (119 pp, 2.3 MB) | MA0031658 | 06/02/2015 |
| Lincoln (Headwaters Wetland to the Shawsheen River; Shawsheen River Basin (MA83-08)) | Battle Road Farm Condominium WWTF (PDF) (9 pp, 55 K) | MA0031658 | 08/11/2003 |
| Littleton (Ready Meadow Brook) | Veryfine Product, Inc. (PDF) (11 pp, 54 K) | MA0004936 | 09/19/2013 |
| Littleton (Ready Meadow Brook) | Veryfine Product, Inc. (PDF) (11 pp, 54 K) | MA0004936 | 09/01/2006 |
| Lowell (Pawtucket Canal) | Lowell Congeneration Company L.P. (PDF) (11 pp, 88 K) | MA0031071 | 12/09/2008 |
| Lowell (Merrimack River, Concord River, Beaver Brook) | Lowell Wastewater Utilities (PDF) (17 pp, 188 K) | MA0100633 | 09/01/2005 |
| Lynn (Saugus River (USGS Hydrologic Code #01070002 – North Coastal River Basin), Class SB - Warm Water Fishery) | General Electric Aviation (Modification) (PDF) (103 pp, 2.7 MB) | MA0003905 | 07/21/2016 |
| Lynn (Saugus River (USGS Hydrologic Code #01070002 – North Coastal River Basin), Class SB - Warm Water Fishery) | General Electric Aviation (Modification) (PDF) (116 pp, 2.9 MB) | MA0003905 | 08/19/2015 |
| Lynn (Saugus River (USGS Hydrologic Code #01070002 – North Coastal River Basin), Class SB - Warm Water Fishery) | General Electric Aviation (PDF) (572 pp, 74.5 MB) | MA0003905 | 09/30/2014 |
| Lynn (Lynn Harbor, Saugus River, Strawberry Brook, and Nahant Bay) | Lynn Regional WWTF (PDF) (21 pp, 210 K) | MA0100552 | 03/30/2007 |
| Manchester-by-the-Sea (Manchester Bay) | Manchester-by-the-Sea WWTP (PDF) (33 pp, 3.4 MB) | MA0100871 | 06/28/2011 |
| Marion (Aucoot Cove / Buzzards Bay) | Marion MODIFICATION, Town of (PDF) (21 pp, 70 K) | MA0100030 | 05/22/2007 |
| Marion (Aucoot Cove / Buzzards Bay) | Marion, Town of (PDF) (62 pp, 3.6 MB) | MA0100030 | 09/29/2006 |
| Marlborough (Sudbury Reservoir) | John J. Carroll WTP (PDF) (62 pp, 1.6 MB) | MA0040398 | 01/15/2013 |
| Marlborough (Hop Brook) | Marlborough DPW, City of (PDF) (4 pp, 38 K) | MA0100498 | 10/19/2006 |
| Marlborough (Assabet River) | Marlborough, City of (PDF) (14 pp, 177 K) | MA0100480 | 05/26/2005 |
| Marlborough (Sudbury) | MWRA's Wachusett Lower Gatehouse, and Wachusett Aqueduct (PDF) (6 pp, 29 K) | MA0103373 | 07/16/2002 |
| Marshfield (Massachusetts Bay (MA94)) | Marshfield WWTF, Town of (PDF) (153 pp, 2.2 MB) | MA0101737 | 12/04/2014 |
| Massachusetts Bay (Massachusetts Bay) | Northeast Gateway Energy Bridge Deepwater Port (PDF) (82 pp, 1.3 MB) | MA0040266 | 12/23/2014 |
| Massachusetts Bay (Massachusetts Bay) | Northeast Gateway Energy Bridge Deepwater Port (PDF) (20 pp, 415 K) | MA0040266 | 10/27/2007 |
| Massachusetts Bay (Massachusetts Bay) | Northeast Gateway Energy Bridge, Pipeline Lateral Project (PDF) (6 pp, 61 K) | MA0040240 | 06/13/2007 |
| Maynard (Assabet River) | Maynard Water Pollution Control Facility (PDF) (13 pp, 141 K) | MA0101001 | 05/26/2005 |
| Medfield (Charles River) | Medfield WWTP, Town of (PDF) (54 pp, 760 K) | MA0100978 | 12/27/2011 |
| Medfield (Charles River) | Medfield POTW, Town of (PDF) (11 pp, 453 K) | MA0100978 | 02/07/2005 |
| Medway (Charles River (MA 72-05)) | Charles River Pollution Control District (PDF) (282 pp, 2.9 MB) | MA0102598 | 07/23/2014 |
| Merrimac (Merrimack River (Segment MA84A-05)) | Merrimac WWTF (PDF) (71 pp, 1.5 MB) | MA0101150 | 10/22/2015 |
| Merrimac (Merrimack River) | Merrimac WWTP (PDF) (10 pp, 98 K) | MA0101150 | 10/30/2006 |
| Middleborough (Nemasket River (Taunton River Basin, State Code - MA62-26)) | Middleborough, Town of (PDF) (141 pp, 4.6 MB) | MA0101591 | 05/05/2014 |
| Middleborough (Nemasket River (Taunton River Basin, State Code - MA62-26)) | Middleborough, Town of (PDF) (12 pp, 74 K) | MA0101591 | 09/26/2003 |
| Middleborough (Taunton River) | Oak Point Property (PDF) (10 pp, 47 K) | MA0032433 | 08/03/2004 |
| Millbury (Blackstone River) | Upper Blackstone Water Pollution Abatement District [Determination on Remand] (PDF) (9 pp, 2.5 MB) | MA0102369 | 07/07/2010 |
| Millbury (Blackstone River) | Upper Blackstone Water Pollution Abatement District [MODIFICATION] (PDF) (298 pp, 4.3 MB) | MA0102369 | 04/15/2009 |
| Millbury (Blackstone River) | Upper Blackstone Water Pollution Abatement District (PDF) (20 pp, 77 K) | MA0102369 | 08/22/2008 |
| Monroe Bridge (Deerfield River) | Monroe Wastewater Treatment Facility (PDF) (26 pp, 4.2 MB) | MA0100188 | 09/28/2010 |
| Montague (Unnamed Tributary – Connecticut River Basin (MA-34)) | Montague (Bitzer) State Fish Hatchery (PDF) (57 pp, 498 K) | MA0110051 | 06/30/2014 |
| Montague (Unnamed Stream – Connecticut River Basin (MA-34)) | Montague (Bitzer) State Fish Hatchery (PDF) (12 pp, 41 K) | MA0110051 | 09/26/2007 |
| Montague (Connecticut River) | Montague WPFC (PDF) (44 pp, 939 K) | MA0100137 | 09/22/2008 |
| Montague (Connecticut River) | Red Wing Meadow Trout Hatchery (PDF) (10 pp, 48 K) | MA0027880 | 04/22/2002 |
| Monterey (Rawson Brook) | Gould Farm WWTF (Modification) (PDF) (12 pp, 93 K) | MA0022705 | 02/13/2009 |
| Monterey (Rawson Brook) | Gould Farm WWTF (PDF) (11 pp, 106 K) | MA0022705 | 05/30/2007 |
| New Bedford (Buzzard's Bay) | Aerovox, Inc. (PDF) (8 pp, 29 K) | MA0003379 | 10/17/2000 |
| New Bedford (Outer New Bedford Harbor) | Cornell Dubilier Electronics Corp. (PDF) (6 pp, 44 K) | MA0003930 | 06/13/2008 |
| New Bedford (Outer New Bedford Harbor, Clark's Cove, Acushnet River) | New Bedford WWTF (PDF) (40 pp, 290 K) | MA0100781 | 09/26/2008 |
| New Bedford (Acushnet River) | Revere Copper Inc. (PDF) (10 pp, 84 K) | MA0004821 | 05/12/2008 |
| New Bedford (Buzzards Bay River) | Trio Algarvio Inc. (PDF) (9 pp, 44 K) | MA0110329 | 05/10/2004 |
| Newburyport (Merrimack River) | Newburyport, City of (PDF) (128 pp, 1.2 MB) | MA0101427 | 08/15/2012 |
| Newburyport (Merrimack River) | Newburyport [MODIFICATION], City of (PDF) (13 pp, 153 K) | MA0101427 | 10/19/2006 |
| Newburyport (Merrimack River) | Ferraz Shawmut Inc. (PDF) (5 pp, 82 K) | MA0000281 | 09/30/2002 |
| Newburyport (Merrimack River) | Newburyport Wastewater Treatment Facility (PDF) (13 pp, 70 K) | MA0101427 | 05/07/2004 |
| Norfolk (Charles River) | Caritas Southwood Hospital (PDF) (13 pp, 73 K) | MA0102288 | 09/29/2000 |
| Norfolk (Stop River) | MCI - Norfolk MA Dept. of Corrections (PDF) (12 pp, 4.1 MB) | MA0102253 | 09/25/2008 |
| North Andover (Merrimack and Spicket River) | Greater Lawrence Sanitary District (PDF) (19 pp, 211 K) | MA0100447 | 08/08/2005 |
| North Attleboro (Seven Mile River) | Simon Property Group/Emerald Square Mall (PDF) (37 pp, 3.4 MB) | MA0030244 | 07/01/2010 |
| North Attleboro (Bungay River) | North Attleboro National Fish Hatchery (PDF) (31 pp, 381 K) | MA0005398 | 05/31/2012 |
| North Attleboro (Bungay River) | North Attleboro National Fish Hatchery (PDF) (10 pp, 48 K) | MA0005398 | 10/18/2004 |
| North Attleborough (Ten Mile River) | North Attleborough WWTF [MODIFICATION] (PDF) (2 pp, 18 K) | MA0101036 | 02/15/2008 |
| North Attleborough (Ten Mile River) | North Attleborough WWTF (PDF) (13 pp, 112 K) | MA0101036 | 01/04/2007 |
| North Brookfield (For-Get-Me Not Brook) | North Brookfield, Town of (PDF) (24 pp, 63 K) | MA0101061 | 03/19/2007 |
| North Grafton (Quinsigamond River and Bonny Brook) | Wyman Gordon Company [MODIFICATION] (PDF) (14 pp, 55 K) | MA0004341 | 02/22/2008 |
| North Grafton (Blackstone River) | Wyman Gordon Company (PDF) (11 pp, 38 K) | MA0004341 | 09/28/2006 |
| Northbridge (Unnamed Tributary to Blackstone River) | Northbridge WWTP, Town of (PDF) (108 pp, 3.2 MB) | MA0100722 | 06/27/2013 |
| Northbridge (Unnamed Tributary to Blackstone River) | Northbridge WWTP [MODIFICATION], Town of (PDF) (3 pp, 28 K) | MA0100722 | 03/14/2008 |
| Northbridge (Unnamed Tributary to Blackstone River) | Northbridge WWTP, Town of (PDF) (11 pp, 49 K) | MA0100722 | 09/13/2006 |
| Northfield (Connecticut River) | Northfield WWTF, Town of (PDF) (19 pp, 106 K) | MA0100200 | 09/29/2008 |
| Northampton (Connecticut River) | Northampton WWTP, City of (PDF) (28 pp, 138 K) | MA0101818 | 09/30/2008 |
| Norton (Three Mile River) | MFN Regional Water Pollution Control Facility (Mansfield,Foxboro,Norton) (PDF) (185 pp, 8.5 MB) | MA0101702 | 09/11/2014 |
| Norton (Three Mile River) | Mansfield Water Pollution Abatement Facility (PDF) (12 pp, 66 K) | MA0101702 | 04/12/2004 |
| Norton (Wading River) | Tweave LLC (PDF) (18 pp, 116 K) | MA0005355 | 04/12/2011 |
| Norton (Rumford River (Taunton River Watershed – MA62-40)) | Wheaton College WWTF (PDF) (82 pp, 2.7 MB) | MA0026182 | 12/04/2014 |
| Norton (Rumford River (Taunton River Watershed – MA62-40)) | Wheaton College WWTF (PDF) (9 pp, 52 K) | MA0026182 | 08/19/2004 |
| Norwood (Neponset River (MA73-01) Boston Harbor Watershed) | Bird, Inc. d/b/a Certainteed Corporation (PDF) (122 pp, 1.3 MB) | MA0003531 | 01/13/2015 |
| Norwood (Neponset River) | Bird Incoporated d/b/a Certainteed (PDF) (8 pp, 135 K) | MA0003531 | 09/20/2005 |
| Norwood (Neponset River) | Factory Mutual Engineering Corporation (PDF) (6 pp, 184 K) | MA0003638 | 03/26/2002 |
| Orange (Millers Rivers) | Orange WWTF, Town of (PDF) (10 pp, 48 K) | MA0101257 | 08/28/2007 |
| Otter River (Otter River) | Seaman Paper Company of MA, Inc. [MODIFICATION] (PDF) (50 pp, 2.5 MB) | MA0000469 | 03/09/2009 |
| Oxford (French River) | IPG Photonics Corporation (PDF) (5 pp, 29 K) | MA0040355 | 02/09/2010 |
| Oxford-Rochdale (French River) | Oxford–Rochdale Wastewater Treatment Facility (PDF) (51 pp, 2.8 MB) | MA0100170 | 07/30/2010 |
| Peabody (Goldthwait Brook) | Eastman Gelatine Corporation (PDF) (8 pp, 38 K) | MA0003956 | 09/28/2006 |
| Pepperell (Nashua River) | Indeck – Pepperell Power Associates, Inc. (PDF) (13 pp, 60 K) | MA0032034 | 09/08/2006 |
| Pepperell and Groton (Nashua River (Segment MA81-07) Class B, Warm Water Fishery) | Pepperell WWTP (PDF) (139 pp, 2.7 MB) | MA0100064 | 09/07/2016 |
| Pepperell and Groton (Nashua River (Segment MA81-07) Class B, Warm Water Fishery) | Pepperell WWTP (PDF) (10 pp, 210 K) | MA0100064 | 12/22/2005 |
| Pittsfield (Housatonic River) | Pittsfield WWTP [MODIFICATION], City of (PDF) (15 pp, 117K | MA0101681 | 04/30/2010 |
| Pittsfield (Housatonic River) | Pittsfield WWTP, City of (PDF) (15 pp, 116 K) | MA0101681 | 08/28/2008 |
| Pittsfield (Housatonic River) | General Electric Company [MODIFICATION] (PDF) (25 pp, 87 K) | MA0003891 | 08/10/2009 |
| Pittsfield (Housatonic River) | Pittsfield Sand & Gravel (PDF) (35 pp, 1 MB) | MA0040312 | 11/17/2009 |
| Plymouth (Plymouth Harbor (South Coastal Watershed), SA (Segment MA-94-16)) | Plymouth WWTP (PDF) (118 pp, 9.3 MB) | MA0100587 | 06/03/2016 |
| Plymouth (Plymouth Harbor) | Plymouth WWTP (PDF) (14 pp, 64 K) | MA0100587 | 11/29/2004 |
| Quincy (Weymouth Fore River) | MBTA (PDF) (10 pp, 138 K) | MA0033987 | 05/04/2007 |
| Quincy (Fore River) | New England Aquarium (PDF) (28 pp, 737 K) | MA0040380 | 05/19/2010 |
| Quincy (Town River Bay) | Sprague Twin Rivers Technology (TRT) Terminal (PDF) (42 pp, 1 MB) | MA0028037 | 05/12/2011 |
| Quincy (Town River Bay) | Sprague Operating Resources, LLC (PDF) (70 pp, 736 K) | MA0020869 | 05/09/2013 |
| Quincy (Town River Bay) | Sprague Energy (PDF) (13 pp, 45 K) | MA0020869 | 05/18/2007 |
| Quincy (Weymouth Fore River and Twin Rivers Bay) | Twin Rivers Technology US Inc. (PDF) (15 pp, 185 K) | MA0004073 | 02/12/2010 |
| Rowe (Deerfield River) | Yankee Atomic Electric Company (PDF) (12 pp, 43 K) | MA0004367 | 07/25/2003 |
| Revere (Chelsea River (MA71-06) / Mystic River Watershed) | Global Companies LLC [Transfer of Ownership] (PDF) (295 pp, 3.5 MB) | MA0003425 | 02/01/2015 |
| Revere (Chelsea River (MA71-06) / Mystic River Watershed) | Global Petroleum Terminal (PDF) (294 pp, 2.9 MB) | MA0003425 | 09/24/2014 |
| Revere (Chelsea / Mystic River) | Global Petroleum Corp. | MA0003425 | 08/30/2006 |
| Revere (Sales Creek (MA 71-12) Winthrop Bay) | Global Companies LLC [Transfer of Ownership] (PDF) (290 pp, 3.4 MB) | MA0003298 | 02/01/2015 |
| Revere (Chelsea River (MA71-06) / Mystic River Watershed and Sales Creek (MA71-12) / Winthrop Harbor) | Global Revco Terminal (PDF) (289 pp, 3 MB) | MA0003298 | 09/24/2014 |
| Revere (Chelsea / Mystic River Watershed and Sales Creek / Winthrop Harbor) | Global REVCO Terminal, LLC | MA0003298 | 06/30/2005 |
| Revere (Chelsea River (MA71-06) / Mystic River Watershed) | Global Companies LLC [Transfer of Ownership] (PDF) (279 pp, 3.2 MB) | MA0000825 | 02/01/2015 |
| Revere (Chelsea River (MA71-06) / Mystic River Watershed) | Global South Terminal (PDF) (278 pp, 2.8 MB) | MA0000825 | 09/24/2014 |
| Revere (Chelsea / Mystic River) | Global South Terminal | MA0000825 | 06/30/2005 |
| Revere (Chelsea River (MA71-06) / Mystic River Watershed) | Irving Oil Terminal (PDF) (279 pp, 2.9 MB) | MA0001929 | 09/24/2014 |
| Revere (Chelsea / Mystic River) | Irving Oil Terminal | MA0001929 | 06/30/2005 |
| Rockland (French Stream) | Rockland WWTF [MODIFICATION] (PDF) (17 pp, 155 K) | MA0101923 | 02/15/2007 |
| Rockland (French Stream) | Rockland, Town of (PDF) (98 pp, 152 K) | MA0101923 | 01/27/2006 |
| Rockport (Sandy Bay) | Rockport WWTP (PDF) (38 pp, 3.7 MB) | MA0100145 | 02/07/2011 |
| Russell (Westfield River) | Russell BioMass (PDF) (264 pp, 2.9 MB) | MA0040371 | 04/16/2012 |
| Russell (Westfield River) | Russell Village (PDF) (9 pp, 124 K) | MA0100960 | 09/09/2005 |
| Russell (Westfield River) | Texon USA (PDF) (7 pp, 142 K) | MA0005282 | 09/09/2005 |
| Russell (Westfield River) | Woronoco Village WWTP (PDF) (6 pp, 116 K) | MA0103233 | 09/09/2005 |
| Salisbury (Merrimack River) | Salisbury WWTP, Town of (PDF) (104 pp, 2.3 MB) | MA0102873 | 07/09/2015 |
| Salisbury (Merrimack River) | Salisbury WWTP, Town of (PDF) (11 pp, 44 K) | MA0102873 | 10/08/2007 |
| Salem (Salem Sound (North Coastal Watershed, Segment 93-25) Class SB) | South Essex WWTF (Co-Permittees Salem, Beverly, Danvers, Marblehead, Peabody) (PDF) (261 pp, 6.6 MB) | MA0100501 | 05/05/2016 |
| Salem (Salem Sound) | South Essex WWTF (PDF) (12 pp, 46 K) | MA0100501 | 02/09/2001 |
| Sandwich (Cape Cod Bay) | Henry T. Wing School (PDF) (8 pp, 46 K) | MA0101656 | 02/12/2002 |
| Sandwich (Cape Cod Canal to Atlantic Ocean) | Mirant Canal Station | MA0004928 | 08/01/2008 |
| Sandwich (Unnamed Tributary to Dock Creek (MA96-86)) | Sandwich State Fish Hatchery (PDF) (80 pp, 1.1 MB) | MA0110027 | 11/24/2015 |
| Sandwich (Dock Creek) | Sandwich State Fish Hatchery (PDF) (12 pp, 43 K) | MA0110027 | 09/27/2007 |
| Saugus (Wakefield) | New England Detroit Diesel (PDF) (12 pp, 113 K) | MA0026247 | 10/19/2006 |
| Saugus (Saugus River) | Wheelabrator Saugus, Inc. (PDF) (121 pp, 20 MB) | MA0028193 | 02/12/2010 |
| Scituate (South Coastal) | Scituate WWTP (PDF) (11 pp, 56 K) | MA0102695 | 11/22/2004 |
| Scituate (Scituate Harbor) | Stellwagon Bank National Marine Sanctuary Headquarters (PDF) (8 pp, 86 K) | MA0090531 | 09/20/2007 |
| Scituate (Tidal Creek / Herring River) | Scituate WWTP (PDF) (55 pp, 5.2 MB) | MA0102695 | 09/27/2012 |
| Seabrook (Weymouth and Weir River Watersheds) | Hubline Pipeline Project (PDF) (9 pp, 41 K) | MA0040169 | 04/26/2003 |
| Somerset (Mount Hope Bay) | Brayton Point Station (Modification) (PDF) (48 pp, 7 MB) | MA0003654 | 09/02/2014 |
| Somerset (Mount Hope Bay) | Brayton Point Station (PDF) (88 pp, 9.1 MB) | MA0003654 | 02/29/2012 |
| Somerset (Taunton River) | Somerset POTW (PDF) (10 pp, 57 K) | MA0100676 | 05/14/2004 |
| Somerville (Millers River (MA 72-31)) | Massachusetts Bay Transportation Authority, Commuter Rail Maintenance Facility (PDF) (1 pg, 159 K) Transfer of Co-Permittee from CJUFIII Northpoint LLC to DW NP Property, LLC |
MA0003590 | 08/20/2015 |
| Somerville (Millers River (MA 72-31)) | Massachusetts Bay Transportation Authority, Commuter Rail Maintenance Facility (PDF) (1 pg, 156 K) Change of Co-Permittee from Boston & Maine Corp to CJUF III, Northpoint LLC |
MA0003590 | 11/20/2014 |
| Somerville (Millers River (MA 72-31)) | Massachusetts Bay Transportation Authority, Commuter Rail Maintenance Facility (PDF) (1 pg, 173 K) Change of Operator from Mass Bay Commuter Railroad Company to Keolis Commuter Services, LLC |
MA0003590 | 07/01/2014 |
| Somerville (Millers River (MA 72-31)) | Massachusetts Bay Transportation Authority, Commuter Rail Maintenance Facility (PDF) (13 pp, 64 K) | MA0003590 | 06/11/2007 |
| Somerville (Alewife Brook and Upper Mystic River) | Somerville, City of (PDF) (8 pp, 124 K) | MA0101982 | 06/11/2012 |
| Somerville (Alewife Brook and Mystic River) | Somerville, The City of (PDF) (8 pp, 124 K) | MA0101982 | 09/23/2005 |
| South Attleboro (Blackstone River) | Cumberland Engineering d/b/a ACS Auxiliaries Group (discharges in Woonsocket, RI) (PDF) (9 pp, 81 K) | RI0023221 | 02/26/2002 |
| South Boston (Boston Harbor Watershed) | Coastal Oil New England, Inc (PDF) (22 pp, 65 K) | MA0004405 | 08/09/2006 |
| South Deerfield (Connecticut River) | South Deerfield WWTP (PDF) (10 pp, 103 K) | MA0101648 | 04/01/2007 |
| South Lee (Housatonic River) | MW Custom Papers, LLC / Laurel Hill (PDF) (46 pp, 737 K) | MA0001716 | 09/27/2012 |
| South Lee (Housatonic River) | MW Custom Papers, LLC / Laurel Hill (PDF) (6 pp, 117 K) | MA0001716 | 06/21/2005 |
| South Lee (Housatonic River) | Onyx Specialty Papers, Inc. (Willow Mill) (PDF) (54 pp, 9.7 MB) | MA0001848 | 01/26/2012 |
| South Royalston (Millers River) | Royalston WWTP, Town of (PDF) (26 pp, 1 MB) | MA0100161 | 09/01/2009 |
| Southbridge (Quinebaug River (French and Quinebaug Rivers Watershed, MA41-03)) | Southbridge WWTF, Town of (PDF) (130 pp, 4 MB) | MA0100901 | 12/04/2014 |
| Southbridge (Quinebaug River (French and Quinebaug Rivers Watershed, MA41-03)) | Southbridge WWTF, Town of (PDF) (39 pp, 340 K) | MA0100901 | 09/28/2006 |
| Spencer (Cranberry Brook B: Warm Water Fishery (Chicopee Watershed)) | Spencer WWTP, Town of (PDF) (141 pp, 784 K) | MA0100919 | 09/27/2007 |
| Springfield (Chicopee River Bircham Bend Brook) | Solutia, Inc. (PDF) (40 pp, 196 K) | MA0001147 | 12/04/2008 |
| Springfield (Connecticut River, Chicopee River Mill River) | Springfield Water and Sewer Commission (PDF) (47 pp, 362 K) | MA0103331 | 09/30/2009 |
| Stoughton (Neponset River) | Brookfield Engineering Laboratories (PDF) (8 pp, 34 K) | MA0031955 | 02/02/2003 |
| Stockbridge (Housatonic River) | Stockbridge WWTP (PDF) (49 pp, 866 K) | MA0101087 | 01/03/2011 |
| Sturbridge (Hamant Pond and Hamant River) | Pilot Travel Centers, LLC (PDF) (25 pp, 78 K) | MA0029858 | 10/01/2009 |
| Sturbridge (Quinebaug River (MA41-02)) | Sturbridge WPCF, Town of (PDF) (31 pp, 114 K) | MA0100421 | 09/11/2014 |
| Sturbridge (Quinebaug River (MA41-02)) | Sturbridge WPCF, Town of (PDF) (31 pp, 114 K) | MA0100421 | 09/28/2006 |
| Sunderland (Russellville Brook (Connecticut River Basin, MA-34)) | Sunderland State Fish Hatchery (PDF) (92 pp, 1.4 MB) | MA0110035 | 10/02/2015 |
| Sunderland (Russellville Brook) | Sunderland State Fish Hatchery (PDF) (12 pp, 42 K) | MA0110035 | 09/26/2007 |
| Sunderland (Connecticut River) | Sunderland WWTP (PDF) (10 pp, 92 K) | MA0101079 | 06/02/2006 |
| Swampscott (Foster Pond (Outfall 001) & a wetlands system which includes Thompson's Meadow and is adjacent to Forest River (Outfall 002)) | Aggregate Industries, Inc. (PDF) (120 pp, 3.3 MB) | MA0001830 | 12/21/2016 |
| Swampscott (Foster Pond (Outfall 001) & a wetlands system which includes Thompson's Meadow and is adjacent to Forest River (Outfall 002)) | Aggregate Industries, Inc. (PDF) (12 pp, 47 K) | MA0001830 | 05/01/2008 |
| Swansea (Palmer River (Narragansett Bay Watershed)) | Swansea Water District Desalination Facility (PDF) (169 pp, 2.3 MB) | MA0103390 | 01/13/2017 |
| Swansea (Palmer River) | Swansea Water District, The (PDF) (9 pp, 56 K) | MA0103390 | 02/21/2008 |
| Taunton (Taunton River Watershed/Three Mile River) | Draka Cableteq USA (PDF) (32 pp, 361 K) | MA0028649 | 10/19/2011 |
| Taunton (Taunton River) | Taunton Municipal Lighting Plant (PDF) (16 pp, 65 K) | MA0002241 | 09/13/2006 |
| Taunton (Taunton River (Taunton River Basin – MA62-02)) | Taunton WWTP, City of (PDF) (342 pp, 11.4 MB) | MA0100897 | 04/10/2015 |
| Taunton (Taunton River (Taunton River Basin – MA62-02)) | Taunton WWTP, City of (PDF) (55 pp, 470 K) | MA0100897 | 03/27/2001 |
| Three Rivers (Chicopee River, Quaboag River, Ware River) | Palmer WPCF (PDF) (78 pp, 2.6 MB) | MA0101168 | 01/21/2011 |
| Turner Falls (Connecticut River) | Australis Aquaculture, LLC (PDF) (48 pp, 534 K) | MA0110264 | 02/23/2010 |
| Turners Falls (Connecticut River and Turners Falls) | Southworth Company (PDF) (9 pp, 36 K) | MA0005011 | 09/29/2007 |
| Tyngsboro (Bridge Meadows / Deep Brook) | Allied Waste Services of MA, LLC (PDF) (58 pp, 1 MB) | MA0030066 | 10/11/2011 |
| Upton (West River) | Upton POTW, Town of (PDF) (73 pp, 3.2 MB) | MA0100196 | 04/26/2013 |
| Upton (West River) | Upton POTW, Town of (PDF) (11 pp, 58 K) | MA0100196 | 03/01/2006 |
| Uxbridge (Blackstone River) | Uxbridge Sewer Commission, Town of (PDF) (126 pp, 5.9 MB) | MA0102440 | 06/17/2013 |
| Ware (Ware River) | Quabbin Wire & Cable Company, Inc. (PDF) (38 pp, 369 K) | MA0030571 | 02/07/2013 |
| Ware (Ware River) | Quabbin Wire & Cable Company, Inc. (PDF) (6 pp, 63 K) | MA0030571 | 02/22/2007 |
| Ware (Ware River) | Ware WWTP, Town of (PDF) (120 pp, 1.6 MB) | MA0100889 | 09/02/2013 |
| Ware (Ware River) | Ware WWTP, Town of (PDF) (13 pp, 139 K) | MA0100889 | 05/01/2007 |
| Wareham (Agawam River) | Wareham WPCF, Town of (PDF) (12 pp, 48 K) | MA0101893 | 04/28/2008 |
| Wayland (Sudbury River) | Wayland [MODIFICATION], Town of (PDF) (17 pp, 5.34 MB) | MA0039853 | 10/09/2009 |
| Wayland (Wetland Adjacent to the Sudbury River (Concord River Watershed 82)) | Wayland WWTP, Town of (PDF) (13 pp, 54 K) | MA0039853 | 09/30/2008 |
| Webster (French River) | Webster Sewer Department, Town of (PDF) (14 pp, 300 K) | MA0100439 | 03/24/2006 |
| West Bridgewater (Taunton River) | Howard School (PDF) (8 pp, 57 K) | MA0101753 | 11/21/2003 |
| West Bridgewater (Taunton River) | MacDonald School (PDF) (10 pp, 58 K) | MA0102061 | 11/21/2003 |
| West Groton (Squannacook River) | Hollingsworth and Vose Company (PDF) (7 pp, 91 K) | MA0004561 | 03/31/2011 |
| West Newton (Cheese Cake Brook, Charles River Watershed) | Radiant Fuel Company Inc. (PDF) (34 pp, 3 MB) | MA0001236 | 08/06/2012 |
| West Newton (Cheese Cake Brook, Charles River Watershed) | Radiant Fuel Company Inc. (PDF) (14 pp, 157 K) | MA0001236 | 11/15/2005 |
| West Springfield (Connecticut River) | Agri-Mark Incorporated (PDF) (7 pp, 26 K) | MA0029327 | 05/12/2004 |
| West Springfield (Connecticut River) | Consolidated Edison Energy Massachusetts Inc (PDF) (20 pp, 86 K) | MA0004707 | 11/04/2004 |
| West Stockbridge (Williams River) | West Stockbridge WWTF, Town of (PDF) (24 pp, 3 MB) | MA0103110 | 09/01/2010 |
| West Warren (Quaboag River (Chicopee River Basin – USGS Code # 01080204)) | Warren WWTP (PDF) (128 pp, 5.1 MB) | MA0101567 | 09/14/2016 |
| Westborough (Assabet River) | Westborough WWTP [MODIFICATION] (PDF) (2 pp, 15 K) | MA0100412 | 10/28/2009 |
| Westborough (Assabet River) | Westborough WWTP (PDF) (16 pp, 141 K) | MA0100412 | 05/26/2005 |
| Westfield (Westfield River) | Renaissance Manor of Westfield WWTP (PDF) (7 pp, 32 K) | MA0023027 | 03/31/2008 |
| Westfield (Cook's Brook, Little River, Westfield River Watershed) | West Parish Filters WTP (PDF) (52 pp, 812 K) | MA0040482 | 09/19/2012 |
| Westfield (Westfield River) | Westfield WPCP (PDF) (51 pp, 632 K) | MA0101800 | 09/30/2009 |
| Westford (Gilson Brook & Stony Brook) | Fletcher Granite Company (PDF) (26 pp, 4.5 MB) | MA0020231 | 06/24/2010 |
| Weston (Pine Brook) | Pine Brook Country Club (PDF) (26 pp, 2.2 MB) | MA0032212 | 04/07/2010 |
| Whately (Connecticut River) | Chang Farms, Inc. (PDF) (92 pp, 2 MB) | MA0040207 | 12/20/2013 |
| Whately (Connecticut River) | Chang Farms, Inc. (PDF) (11 pp, 182 K) | MA0040207 | 09/29/2006 |
| Wheelwright (Ware River) | Hardwick-Wheelright WPCF (PDF) (43 pp, 1 MB) | MA0102431 | 11/06/2012 |
| Wheelwright (Ware River) | Hardwick WPCF – Wheelwright (PDF) (10 pp, 55 K) | MA0102431 | 04/04/2006 |
| Wichendon (Millers River) | Wichendon WPCF (PDF) (31 pp, 158 K) | MA0100862 | 02/25/2011 |
| Wilbraham (Chicopee River) | Stony Hill Sand & Gravel, Inc. (PDF) (5 pp, 24 K) | MA0040223 | 08/25/2006 |
| Williamstown (Hoosic River) | Hoosac WPCF (PDF) (65 pp, 374 K) | MA0100510 | 02/22/2013 |
| Williamstown (Hoosic River) | Hoosac WPCF (PDF) (16 pp, 115 K) | MA0100510 | 09/28/2006 |
| Wilmington (Martins Brook (MA 92-08), Ipswich River Watershed) | Benevento Sand & Stone Corp. (PDF) (66 pp, 3.8 MB) | MA0040436 | 03/12/2016 |
| Woods Hole (Vineyard Sound) | Woods Hole Oceanographic Institution (PDF) (11 pp, 39 K) | MA0005916 | 09/27/2007 |
| Worcester (Middle River Class B) | Polar Beverages (PDF) (53 pp, 1 MB) | MA0040483 | 04/07/2015 |
| Worcester (Weasel Brook) | St. Gobain Abrasives, Inc. (PDF) (13 pp, 140 K) | MA0000817 | 09/23/2009 |
| Worcester (Blackstone River) | Worcester DPW, Quinsigamond Ave CSO Facility (PDF) (22 pp, 8.2 MB) | MA0102997 | 06/02/2005 |
| Wrentham (Stop River - Charles River) | Wrentham Developmental Center (PDF) (44 pp, 224 K) | MA0102113 | 12/29/2011 |
| Wrentham (Stop River - Charles River) | Wrentham Developmental Center (PDF) (14 pp, 44 K) | MA0102113 | 01/19/2005 |