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EPA Approved Total Maximum Daily Loads (TMDLs)
Total Maximum Daily Load: A document that describes the process used to determine how much pollutant a lake or stream can assimilate and meet water quality standards.
Note: An informational TMDL is one where water quality standards are currently being met but are close to falling below acceptable levels; the intent is to protect the waterbody from any further degradation.
| Water Body | Pollutant | County | TMDL Approval Year |
|---|---|---|---|
| Albrow Creek | E. coli | Jackson | 2007 |
| Bad Axe Creek | E. coli | Huron | 2016 |
| Bad Axe Creek | Phosphorus | Huron | 2016 |
| Bass River | E. coli | Ottawa | 2005 |
| Bass River | Sediment | Ottawa | 2005 |
| Bean Creek | E. coli | Hillsdale | 2003 |
| Bean Creek | E. coli | Lenawee | 2003 |
| Bear Creek | Sediment | Kent | Informational TMDL |
| Bear Lake | Phosphorus | Muskegon | 2008 |
| Belle River | Dissolved Oxygen | Lapeer | 2005 |
| Belle River | Dissolved Oxygen | St. Clair | 2005 |
| Berry Drain | Dissolved Oxygen | Sanilac | 2006 |
| Black Creek | Sediment | Muskegon | 2003 |
| Black River | E. coli | St. Clair | 2011 |
| Brighton Lake | Phosphorus | Livingston | 2000 |
| Brownstown Creek and Blakely Drain - Marsh Creek | Sediment | Wayne | 2007 |
| Buck Creek | E. coli | Kent | 2006 |
| Burdick Drain and Potters Lake | E. coli | Lapeer | 2004 |
| C.S. Mott Lake - Bluebell Beach | E. coli | Genesee | 2011 |
| C.S. Mott Lake - Bluebell Beach | E. coli | Lapeer | 2011 |
| Carrier Creek | Sediment | Eaton | 2002 |
| Cass River | Dissolved Oxygen | Tuscola | 2008 |
| Cedar River | E. coli | Gladwin | 2004 |
| Clinton River | E. coli | Macomb | 2010 |
| Clinton River | E. coli | Oakland | 2010 |
| Clinton River | E. coli | St. Clair | 2010 |
| Coldwater River | Sediment | Isabella | 2001 |
| Coldwater River and Bear (Tyler) Creek | E. coli | Kent | 2005 |
| Coon Creek (East Branch) | Dissolved Oxygen | Macomb | 2011 |
| Coon Creek (East Branch) | E. coli | Macomb | 2011 |
| Crapaud Creek | E. coli | Macomb | 2002 |
| Deer Creek | E. coli | Berrien | 2002 |
| Deer Creek | E. coli | Macomb | 2006 |
| Deer, Little Deer, and Beaver Creeks | E. coli | Ottawa | 2013 |
| Deer, Little Deer, and Beaver Creeks | E. coli | Muskegon | 2013 |
| Detroit River | E. coli | Wayne | 2009 |
| Detroit River | E. coli | Oakland | 2009 |
| Detroit River | E. coli | Washtenaw | 2009 |
| Duff Creek | E. coli | Sanilac | 2004 |
| East Pond Creek | E. coli | Macomb | 2006 |
| Eau Claire Village Drain and Farmers Creek | E. coli | Berrien | 2008 |
| Ecorse River | E. coli | Wayne | 2008 |
| Ecorse River | Sediment | Wayne | 2003 |
| Ford Lake and Belleville Lake | Phosphorus | Washtenaw | 2019 |
| Ford Lake and Belleville Lake | Phosphorus | Wayne | 2019 |
| Frank and Poet Drain | Sediment | Wayne | 2007 |
| Galien River | E. coli | Berrien | 2002 |
| Geddes Pond (Huron River) | E. coli | Washtenaw | 2001 |
| Goose Lake | Phosphorus | Marquette | 2011 |
| Grand River | Dissolved Oxygen | Jackson | 2003 |
| Grand River | E. coli | Jackson | 2003 |
| Grand River | E. coli | Kent | 2006 |
| Grand River | Sediment | Jackson | 2003 |
| Grand River Tributary | Sediment | Kent | 2005 |
| Great Bear Lake Proper | Phosphorus | Van Buren | 2004 |
| Hammell Creek | Mercury | Houghton | 2002 |
| Honey Creek | E. coli | Washtenaw | 2009 |
| Johnson Creek | Dissolved Oxygen | Washtenaw | 2007 |
| Johnson Creek | Dissolved Oxygen | Wayne | 2007 |
| Kawkawlin River | PCB | Bay | 2002 |
| Kawkawlin River (North Branch) | Dissolved Oxygen | Bay | 2007 |
| Kent Lake | Phosphorus | Oakland | 2000 |
| Kintz Creek and Hunter's Creek (Metamora) | E. coli | Lapeer | 2004 |
| Lake Allegan (Kalamazoo River Impoundment) | Phosphorus | Allegan | 2001 |
| Lake Erie/Luna Pier Beach | E. coli | Monroe | 2007 |
| Lake Macatawa (Watershed) | Phosphorus | Ottawa | 2000 |
| Lake St. Clair Metropolitan and Memorial Beach | E. coli | Macomb | 2007 |
| Lapointe Drain | Dissolved Oxygen | Monroe | 2007 |
| Lenawee County Drain No. 70 | E. coli | Lenawee | 2002 |
| Lincoln Lake | E. coli | Kent | 2006 |
| Little Black Creek | Sediment | Muskegon | 2003 |
| Little Portage Creek | E. coli | Kalamazoo | 2012 |
| Little Portage Creek | E. coli | St Joseph | 2012 |
| Little Portage Creek | E. coli | Calhoun | 2012 |
| Malletts Creek | Sediment | Washtenaw | 2004 |
| Maple River (Upper), Peet and Lost Creeks | Phosphorus | Shiawassee | 2009 |
| Maple River (Upper), Peet and Lost Creeks | Phosphorus | Clinton | 2009 |
| Maple River (Upper), Peet and Lost Creeks | Phosphorus | Gratiot | 2009 |
| Mickles Creek (Shiawassee River) | E. coli | Saginaw | 2003 |
| Mill Creek | E. coli | St. Clair | 2004 |
| Morrison Lake | Phosphorus | Ionia | 2008 |
| Norton Creek | Sediment | Oakland | 2009 |
| Ore Lake | Phosphorus | Livingston | 2000 |
| Owl Creek | Copper | Keweenaw | 2022 |
| Ox Creek | Sediment | Berrien | 2018 |
| Paint Creek | Dissolved Oxygen | Washtenaw | 2005 |
| Paint Creek | E. coli | Washtenaw | 2005 |
| Paint Creek | Sediment | Washtenaw | 2005 |
| Pere Marquette River Watershed | PCB | Lake | 2008 |
| Pere Marquette River Watershed | PCB | Mason | 2008 |
| Pere Marquette River Watershed | PCB | Oceana | 2008 |
| Pere Marquette River Watershed | PCB | Newaygo | 2008 |
| Pine and Mill Creeks | E. coli | Berrien | 2009 |
| Pine and Mill Creeks | E. coli | Van Buren | 2009 |
| Pine Creek | Phosphorus | Gratiot | 2007 |
| Planter Creek | E. coli | Gogebic | 2010 |
| Plaster Creek | E. coli | Kent | 2002 |
| Plaster Creek | Sediment | Kent | 2002 |
| Prattville Drain and Lime Lake | E. coli | Hillsdale | 2003 |
| Prattville Drain and Lime Lake | E. coli | Lenawee | 2003 |
| Red Cedar and Grand River Watersheds | E. coli | Ingham | 2012 |
| Red Cedar and Grand River Watersheds | E. coli | Eaton | 2012 |
| Red Cedar and Grand River Watersheds | E. coli | Clinton | 2012 |
| Red Cedar and Grand River Watersheds | E. coli | Jackson | 2012 |
| Red Cedar and Grand River Watersheds | E. coli | Livingston | 2012 |
| Red Run Drain and Bear Creek | E. coli | Macomb | 2006 |
| Rio Grande Creek | E. coli | Ottawa | 2003 |
| River Raisin | E. coli | Lenawee | 2002 |
| River Raisin | E. coli | Monroe | 2005 |
| River Raisin | Nitrate | Lenawee | 2005 |
| River Raisin (South Branch) | E. coli | Lenawee | 2008 |
| Rouge River | Sediment | Oakland | 2007 |
| Rouge River | Sediment | Wayne | 2007 |
| Ruddiman Creek | E. coli | Muskegon | 2010 |
| Saline River | E. coli | Washtenaw | 2002 |
| Salt River | E. coli | Macomb | 2005 |
| Sand Creek | Sediment | Ottawa | 2005 |
| Sault Sainte Marie Area Tributaries | E. coli | Chippewa | 2012 |
| Sault Sainte Marie Area Tributaries | E. coli | Mackinac | 2012 |
| Small Creek and Hunter's Lake | E. coli | Alcona | 2004 |
| Smiths Creek | E. coli | St. Clair | 2009 |
| St. Joseph River | E. coli | Berrien | 2004 |
| Statewide E. coli TMDL | E. coli | Statewide | 2019 |
| Statewide Mercury (Hg) TMDL | Mercury | Statewide | 2018 |
| Statewide PCB TMDL | PCB | Statewide | 2017 |
| Strawberry Creek | Sediment | Kent | 2005 |
| Strawberry Lake | Phosphorus | Livingston | 2000 |
| Swift Run Creek | Sediment | Washtenaw | 2005 |
| Sycamore Creek Watershed | Dissolved Oxygen | Ingham | Informational TMDL |
| Three Mile Creek and Holly Drain | E. coli | Shiawassee | 2011 |
| Tittabawassee River | E. coli | Midland | 2009 |
| Trap Rock River | Copper | Houghton | 2022 |
| Wagner-Pink Drain | E. coli | Monroe | 2003 |
| York Creek | Sediment | Kent | 2005 |