American Iron and Steel Requirement - Approved Project Waivers
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AIS Overview
and Guidance -
Waiver Requests
Received by EPA - Approved
National
Waivers - Approved
Project
Waivers - Draft
National
Waivers -
Withdrawn or
Denied Waivers -
Waiver
Process
Product specific project waivers apply only to the specified product and proposed project referenced in the waiver. Any other project that wishes to use a similar product must apply for a separate waiver based on specific project circumstances.
| Item | Type of Waiver | State | Local Jurisdiction | CW or DW | Date |
|---|---|---|---|---|---|
| Plug valves | Availability | Washington | Spokane | CW | 6/11/15 |
| Flanged reducing bends | Availability | Ohio | Toledo | CW | 6/10/15 |
| 24-inch diameter butterfly valves | Availability | California | Napa Sanitation District | CW | 4/28/15 |
| Air release / Vacuum valves | Public interest | Missouri | City of St. Joseph | CW | 7/1/15 |
| Grooved pipe fittings | Availability | Missouri | City of St. Joseph | CW | 2/20/15 |
| Tapped mechanical joint wall sleeves | Availability | North Dakota | City of Williston | CW | 2/20/15 |
| Gray cast iron sewer cleanout boxes and covers | Availability | Virginia | City of Norfolk | CW | 2/20/15 |
| Back-up rings for high-density polyethylene pipe (HDPE) | Availability | Utah | Duchesne County Water Conservancy District | DW | 2/20/15 |
| Double offset butterfly valves | Availability | Utah | Duchesne County Water Conservancy District | DW | 2/20/15 |
| Emergency drought-related projects, extension | Public interest | California | State-wide (small systems only) | DW | 12/2/15 |
| Emergency drought-related projects, extension | Public interest | California | State-wide (small systems only) | DW | 3/23/15 |
| Emergency drought-related projects | Public interest | California | State-wide (small systems only) | DW | 8/18/14 |
| Mechanical joint adapter bells and ductile iron wall collars | Availability | North Carolina | Winston-Salem and Forsyth County City/County Utilities Commission | CW | 6/5/15 |
| Transition couplings | Public interest | Montana | Butte-Silver Bow County | CW | 10/1/15 |
| Ductile iron pipe back-up rings for HDPE pipe | Availability | North Carolina | Winston-Salem and Forsyth County | CW | 8/6/15 |
| TR flex pipe fittings | Availability | North Carolina | Winston-Salem and Forsyth County | CW | 8/6/15 |
| TR flex pipe fittings | Availability | Missouri | Belton | CW | 8/6/15 |
| Knife gate valves | Availability | Illinois | Chicago | CW | 7/24/15 |
| 24-inch ball valves | Availability | Florida | Miami-Dade County | CW | 7/24/15 |
| Steel fiber reinforcement | Public interest | Ohio | Northeast Ohio Regional Sewer District | CW | 7/15/15 |
| State emergency loan program projects | Public interest | Washington | State-wide (small systems only) | DW | 10/5/15 |
| Mechanical joint adapter bells | Availability | Connecticut | Metropolitan District | CW | 11/3/15 |
| Air release/vacuum valves | Public interest | Hawaii | County of Maui | CW | 11/19/15 |
| 30-inch TR flex pipe fittings | Availability | North Carolina | Winston-Salem and Forsyth County | CW | 12/15/15 |
| Butterfly valves | Availability | South Dakota | Dakota Dunes | DW | 12/21/15 |
| Butterfly valves | Availability | Washington | Sequim | CW | 2/2/16 |
| Ductile iron inlet frame and grate | Availability | New Jersey | Raritan Township | CW | 2/2/16 |
| Air release/vacuum valves | Public interest | Illiniois | Belleville | CW | 3/9/16 |
| Stainless steel closure couplings | Availability | North Carolina | Winston-Salem and Forsyth County City/County Utilities Commission | CW | 3/9/16 |
| Long radius reducing bends | Availability | North Carolina | Winston-Salem and Forsyth County City/County Utilities Commission | CW | 3/9/16 |
| 24-inch insertion valves | Availability | New Jersey | Cape May County | CW | 4/13/16 |
| 3-inch to 24-inch diameter butterfly valves | Availability | California | Santa Barbara | DW | 5/9/16 |
| Dual-wall stainless steel piping | Availability | New Jersey | Old Bridge Municipal Utilities Authority | DW | 5/27/16 |
| Cut-in valve | Public interest | Missouri | Bonne-Terre | DW | 5/27/16 |
| Well conductor casing | Public interest | Utah | Taylor-West Weber | DW | 5/27/16 |
| MJ ductile iron wall sleeves (30 and 42-inch) | Availability | Alabama | Mobile Area Water and Sewer System | CW | 6/13/16 |
| TR flex pipe fittings (4 to 24-inch) | Availability | California | West County Wastewater District | CW | 6/13/16 |
| Ductile iron threaded flanges (64-inch) | Availability | North Carolina | Greenville | CW | 6/13/16 |
| Triple offset butterfly valves (18 and 24-inch) | Availability | California | Western Municipal Water District | CW | 6/13/16 |
| Ductile iron threaded flanges (60-inch) | Availability | North Carolina | Winston-Salem and Forsyth County City/County Utilities Commission | CW | 6/13/16 |
| Stainless steel curb stops with check valve assembly | Availability | Maryland | Queen Anne's County | CW | 7/7/16 |
| 16-inch and 24-inch ductile iron pipe flex-ring fittings | Availability | North Carolina | City of Winston-Salem | CW | 8/1/16 |
| 16-inch cast iron gate valves | Availability | Massachusetts | Quincy | CW | 8/8/16 |
| Stainless steel line stop sleeves | Availability | New Jersey | Cape May | CW | 8/8/16 |
| Shear dowels | Availability | California | Sacramento Regional County Sanitation District | CW | 9/30/16 |
| Combination wafer swing check valves | Availability | Washington | Liberty Lake Water and Sewer District | CW | 9/30/16 |
| Duplex basket strainers | Availability | Illinois | Metropolitan Water Reclamation District of Greater Chicago | CW | 9/30/16 |
| Steel fiber reinforcement | Public interest | Ohio | Columbus | CW | 11/15/16 |
| Companion flanges | Availability | Montana | Great Falls | DW | 12/8/16 |
| 16-inch TR flex pipe fittings | Availability | California | San Francisco Public Utilities Commission | CW | 12/16/16 |
| Stainless steel butterfly valves | Availability | New Jersey | Bayshore Regional Sewerage Authority | CW | 12/16/16 |