Skip to main content
U.S. flag

An official website of the United States government

Here’s how you know

Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

HTTPS

Secure .gov websites use HTTPS
A lock (LockA locked padlock) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Emergency

This is not the current EPA website. To navigate to the current EPA website, please go to www.epa.gov. This website is historical material reflecting the EPA website as it existed on January 19, 2025. This website is no longer updated and links to external websites and some internal pages may not work. More information »

    • Environmental Topics
    • Air
    • Bed Bugs
    • Cancer
    • Chemicals, Toxics, and Pesticide
    • Climate Change
    • Emergency Response
    • Environmental Information by Location
    • Environmental Justice
    • Greener Living
    • Health
    • Land, Waste, and Cleanup
    • Lead
    • Mold
    • Radon
    • Research
    • Science Topics
    • Water Topics
    • A-Z Topic Index
    • Laws & Regulations
    • By Business Sector
    • By Topic
    • Compliance
    • Enforcement
    • Laws and Executive Orders
    • Regulations
    • Report a Violation
    • Environmental Violations
    • Fraud, Waste or Abuse
    • About EPA
    • Our Mission and What We Do
    • Headquarters Offices
    • Regional Offices
    • Labs and Research Centers
    • Planning, Budget, and Results
    • Organization Chart
    • EPA History
    • Staff Directory

Breadcrumb

  1. Home
  2. Impaired Waters and TMDLs

Impaired Waters and TMDLs in Region 5

Map of EPA Region 5

EPA Region 5 serves the Great Lakes and Upper Midwest states: Illinois, Indiana, Michigan, Minnesota, Ohio and Wisconsin and 35 tribes.

On this page:
  • State 303(d) Listing (Impaired Waters) Programs in Region 5
  • State TMDL Programs in Region 5
  • Related State Environmental/Water Programs in Region 5
  • Related Tribal Environmental/Water Programs in Region 5
  • Region 5 Staff Contacts
Search for TMDLs and Impaired Waters

Watershed Assessment, Tracking & Environmental Results System (WATERS) water quality information database

Assessment and TMDL Tracking and Implementation System (ATTAINS) database

  • Find a TMDL in Region 5
  • Find specific impaired waters or a state 303(d) list in Region 5

News

  • EPA Additions to Illinois' 2024 Impaired Waters List
  • EPA Additions to Indiana’s 2024 Impaired Waters List
  • EPA Approval of Ohio’s Maumee Watershed Nutrient Total Maximum Daily Load
  • EPA Additions to Indiana’s 2022 Impaired Waters List
  • Methodology for Connecting Annex 4 Water Quality Targets with TMDLs in the Maumee River Basin
  • EPA Additions to Indiana’s 2020 Impaired Waters List
  • EPA Additions to Minnesota’s 2020 Impaired Waters List

State 303(d) Listing (Impaired Waters) Programs in Region 5

  • Illinois 303(d) listing (impaired waters)
  • Indiana 303(d) listing (impaired waters)
  • Michigan 303d(d) listing (impaired waters)
  • Minnesota 303(d) listing (impaired waters)
  • Ohio 303(d) listing (impaired waters)
  • Wisconsin 303(d) listing (impaired waters)

State TMDL (Total Maximum Daily Load) Programs in Region 5

  • Illinois TMDL program
  • Indiana TMDL program
  • Michigan TMDL program
  • Minnesota TMDL program
  • Ohio TMDL program
  • Wisconsin TMDL program

Related State Environmental/Water Programs in Region 5

Illinois

  • Illinois State Water Quality Program
  • Illinois Monitoring Program
  • Illinois Water Assessment Program
  • Illinois NonPoint Source Program
  • Illinois NPDES Program

Indiana

  • Indiana State Water Quality Program
  • Indiana Monitoring Program
  • Indiana Water Assessment Program
  • Indiana NonPoint Source Program
  • Indiana NPDES Program

Michigan

  • Michigan State Water Quality Program
  • Michigan Monitoring Program
  • Michigan Water Assessment Program
  • Michigan NonPoint Source Program
  • Michigan NPDES Program

Minnesota

  • Minnesota State Water Quality Program
  • Minnesota Monitoring Program
  • Minnesota Water Assessment Program
  • Minnesota NonPoint Source Program
  • Minnesota NPDES Program

Ohio

  • Ohio State Water Quality Program
  • Ohio Monitoring Program
  • Ohio Water Assessment Program
  • Ohio NonPoint Source Program
  • Ohio NPDES Program

Wisconsin

  • Wisconsin State Water Quality Program
  • Wisconsin Monitoring Program
  • Wisconsin Water Assessment Program
  • Wisconsin NonPoint Source Program
  • Wisconsin NPDES Program

Related Tribal Environmental/Water Programs in Region 5

Tribes with Section 319 Programs

Note: 17 Tribes in Region 5 have Section 319 Programs.

  • Bad River Band of Lake Superior Chippewa Tribe
  • Bay Mills Indian Community Tribe
  • Fond du Lac Band of Lake Superior Chippewa Tribe
  • Forest County Potawatomi Tribe
  • Grand Portage Band of Lake Superior Chippewa Tribe
  • Grand Traverse Band of Ottawa and Chippewa Tribe
  • Lac du Flambeau Band of Lake Superior Chippewa Tribe
  • Little River Band of Ottawa Tribe
  • Little Traverse Bay Band of Odawa Tribe
  • Oneida Nation Tribe
  • Prairie Island Indian Community Tribe
  • Red Cliff Band of Lake Superior Chippewa Tribe
  • Red Lake Band of Chippewa Tribe
  • Saginaw Chippewa Tribe
    • Saginaw Chippewa Tribe Non-Point Source Management Plan (pdf)
  • ​Sokaogon Chippewa Community Mole Lake Band of Lake Superior Chippewa Tribe
  • Shakopee Mdewakanton Sioux Community Tribe
  • Stockbridge Munsee Community Band of Mohican Tribe

Tribes with Approved Water Quality Standard (WQS) Programs

  • Bad River Band of Lake Superior Chippewa Tribe
    • Water Quality Standards Regulations: Bad River Band of Lake Superior Chippewa Tribe
  • Fond du Lac Band of Lake Superior Chippewa Tribe
    • Water Quality Standards Regulations: Fond du Lac Band of Lake Superior Chippewa Tribe
  • Grand Portage Band of Lake Superior Chippewa Tribe
    • Water Quality Standards Regulations: Grand Portage Band of Lake Superior Chippewa Tribe
  • Lac du Flambeau Band of Lake Superior Chippewa Tribe
    • Water Quality Standards Regulations: Lac du Flambeau Band of Lake Superior Chippewa Tribe
  • Sokaogon Chippewa Community Mole Lake Band of Lake Superior Chippewa Tribe
    • Water Quality Standards Regulations: Sokaogon Chippewa Community Mole Lake Band of Lake Superior Chippewa Tribe

Impaired Waters and TMDLs

  • Program Vision
  • Impaired Waters and TMDLs throughout the U.S
  • Technical Tools and Resources
Contact Us About Impaired Waters and TMDLs
Contact Us About Impaired Waters and TMDLs to ask a question, provide feedback, or report a problem.
Last updated on December 17, 2024
  • Assistance
  • Ayuda
  • Arabic
  • Chinese (simplified)
  • Chinese (traditional)
  • Aide
  • Asistans
  • Korean
  • Assistência
  • Russian
  • Tulong
  • Vietnamese
United States Environmental Protection Agency

Discover.

  • Accessibility Statement
  • Budget & Performance
  • Contracting
  • EPA www Web Snapshot
  • Grants
  • No FEAR Act Data
  • Plain Writing
  • Privacy
  • Privacy and Security Notice

Connect.

  • Data
  • Inspector General
  • Jobs
  • Newsroom
  • Regulations.gov
  • Subscribe
  • USA.gov
  • White House

Ask.

  • Contact EPA
  • EPA Disclaimers
  • Hotlines
  • FOIA Requests
  • Frequent Questions

Follow.