Impaired Waters and TMDLs

Impaired Waters and TMDLs in Region 7

Map of Region 7
Serving Iowa, Kansas, Missouri, Nebraska and Nine Tribal Nations.

Region 7's water priority is protecting and improving water quality across America's greatest watershed, the Missouri-Mississippi Basin.

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What is a Total Maximum Daily Load or TMDL?

What is the Impaired Waters 303(d) List?

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Regional Information:

 

Public Notices in Region 7 for 303(d) Impaired Waters Lists and TMDLs 

 
Active Public Notices for Region 7 TMDL Plans and 303(d) Lists of Impaired Waters requiring a TMDL*:
Public notice of EPA's partial approval and partial disapproval of the 2016 Missouri 303(d) list and request for comment from the public on actions proposed by EPA is now available for comment. Click here for more information.
 
 
 
*Public Notice links provided here are for informational purposes only and do not convey EPA approval of documents on public notice.
 

Highlighted TMDLs and TMDL Alternatives in Region 7

Swans on Upper Pine Lake in IowaUpper Pine Lake, IA
Photo courtesy of Jay McGavren

Upper Pine Lake, Iowa, TMDL Approved 10/23/2014

Upper Pine Lake is a man-made impoundment built by the Civilian Conservation Corps in 1935. It is located approximately 2 miles northeast of Eldora, or 15 miles southeast of Iowa Falls, in Hardin County, Iowa. The lake lies within Pine Lake State Park, which encompasses 572 acres and is managed by the Iowa Department of Natural Resources. Recreational opportunities include fishing, bird watching, boating, camping, cabin rental, hiking and swimming. Read the TMDL.

Beaver Lake, Iowa, TMDL Approved 11/03/2014

Beaver Lake is a 28.9 acre man-made lake surrounded by a 1,026 acre watershed in Dallas County, Iowa. The lake is surrounded by a 299 acre wildlife management area. The dam that impounds Beaver Lake was constructed in 1989. Currently, the lake is about 38.8 feet deep at the deepest point, with an average depth of 9.5 feet. Read the TMDL.

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State and Tribal Contacts for 303(d) Programs in Region 7

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State TMDL Programs in Region 7

State 303d Listing (Impaired Waters) Programs in Region 7

Tribal Environmental/Water Programs in Region 7

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EPA TMDL and 303d Listing Program Contacts in Region 7Kansas River at LeCompton, KS
Photo courtesy of Craig Thompson

 
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Impaired Waters and TMDLs