Approved TMDLs

​​

Title

Date Approved

​​​Total Maximum Daily Load of Sediment in the Non-Tidal Baltimore Harbor Watershed, Baltimore City, Baltimore County and Anne Arundel County, MD​
​January 27, 2022
Total Maximum Daily Loads of Fecal Coliform in the Restricted Shellfish Harvesting Area of Ellis Bay in the Lower Wicomico River in Wicomico County, MarylandMay 20, 2021​
Total Maximum Daily Load of Sediment in the Non-Tidal Upper Choptank River Watershed, Caroline, Talbot and Queen Anne's Counties, Maryland​October 31, 2019
​​Total Maximum Daily Load of Sediment in the Port Tobacco River Watershed, Charles County, MarylandOctober 11, 2019​
Total Maximum Daily Load of Sediment in the Piscataway River Watershed, Prince George's County, MarylandOctober 3, 2019​
Total Maximum Daily Load of Sediment in the Marsh Run Watershed, Washington County, Maryland​September 12, 2019
Total Maximum Daily Loads of Fecal Coliform in the Restricted Harvesting Areas of Battle Creek, Buzzard Island Creek and Hog Neck Creek in the Lower Patuxent River in Calvert and St. Mary's Counties, MarylandMay 21, 2019​
Total Maximum Daily Load of Sediment in the Non-Tidal West River Watershed, Anne Arundel County, Maryland​April 24, 2019
​Total Maximum Daily Load of Sediment in the Non-Tidal Upper Chester River Watershed Kent and Queen Anne's Counties, Maryland​April 8, 2019
Total Maximum Daily Load of Polychlorinated Biphenyls in the Piscataway Creek and Mattawoman Creek Tidal Fresh Chesapeake Bay Segments, Prince George's and Charles Counties, Maryland
​February 19, 2019
Total Maximum Daily Load of Sediment in the Non-Tidal Patuxent River Lower Watershed, Anne Arundel, Calvert, Charles, Prince George's and Saint Mary's Counties, Maryland​July 2, 2018
​Total Maximum Daily Load of Sediment in the Non-Tidal Patuxent River Middle Watershed, Anne Arundel, Calvert and Prince George's Counties, Maryland​July 2, 2018
Total Maximum Daily Load of Sediment in the Non-Tidal Back River Watershed, Baltimore County and Baltimore City, MDMarch 5, 2018​
Total Maximum Daily Load of Sediment in the Non-Tidal Other West Chesapeake Watershed, Anne Arundel and Calvert Counties, MDFebruary 9, 2018​
Total Maximum Daily Load of Sediment in the Non-Tidal South River Watershed, Anne Arundel County, Maryland​September 28, 2017
Total Maximum Daily Load of Polychlorinated Biphenyls in the Patuxent River Mesohaline, Oligohaline and Tidal Fresh Chesapeake Bay SegmentsSeptember 19, 2017​
Total Maximum Daily Loads of Sediment in the Lower Gunpowder Falls Watershed, Baltimore County, Maryland​May 4, 2017
Total Maximum Daily Load of Polychlorinated Biphenyls in the Gunpowder River and Bird River Subsegments of the Gunpowder River Oligohaline Segment, Baltimore County and Harford County, MarylandOctober 3, 2016
Total Maximum Daily Load of Sediment in the Swan Creek Watershed, Harford County, MarylandSeptember 30, 2016
Total Maximum Daily Load of Polychlorinated Biphenyls in the Bush River Oligohaline Chesapeake Bay Segment, Harford County, MarylandAugust 2, 2016
Total Maximum Daily Load of Polychlorinated Biphenyls in the Severn River Mesohaline Chesapeake Bay Segment, Anne Arundel County, MarylandJuly 19, 2016
Total Maximum Daily Load of Polychlorinated Biphenyls in the West River Mesohaline Chesapeake Bay Segment, Anne Arundel County, MarylandJanuary 8, 2016
Total Maximum Daily Load of Polychlorinated Biphenyls in the South River Mesohaline Chesapeake Bay Segment, Anne Arundel County, MarylandApril 27, 2015
Total Maximum Daily Load of Polychlorinated Biphenyls in the Magothy River Mesohaline Chesapeake Bay Tidal Segment, Anne Arundel County, MarylandMarch 16, 2015
Total Maximum Daily Loads of Trash and Debris for the Middle Branch and Northwest Branch Portions of the Patapsco River Mesohaline Tidal Chesapeake Bay Segment, Baltimore City and County, Maryland January 5, 2015
Total Maximum Daily Loads of Polychlorinated Biphenyls in the Elk River Oligohaline and the C&D Canal Oligohaline Tidal Chesapeake Bay Segments in Cecil County, MarylandDecember 30, 2014
Total Maximum Daily Loads of Nitrogen and Phosphorus for Assawoman Bay, Isle of Wight Bay, Sinepuxent Bay, Newport Bay and Chincoteague Bay in the Coastal Bays Watersheds in Worcester County, MarylandAugust 7, 2014
Total Maximum Daily Load of Polychlorinated Biphenyls in Lake Roland of Jones Falls Watershed in Baltimore County and Baltimore City, MarylandJune 30, 2014
Total Maximum Daily Loads of Phosphorus and Sediments for Liberty Reservoir, Baltimore and Carroll Counties, MarylandMay 7, 2014
Total Maximum Daily Load of Sediment in the Upper Pocomoke River Watershed, Wicomico and Worcester Counties, MarylandNovember 15, 2013
Total Maximum Daily Load of Phosphorus in the Upper Pocomoke River Watershed, Wicomico and Worcester Counties, MarylandSeptember 30, 2013
Total Maximum Daily Load of Phosphorus in the Rock Creek Watershed, Montgomery County, MarylandSeptember 26, 2013
Total Maximum Daily Load of Phosphorus in the Antietam Creek Watershed, Washington County, MarylandSeptember 25, 2013
Total Maximum Daily Load of Phosphorus in the Catoctin Creek Watershed, Frederick County, MarylandSeptember 24, 2013
Total Maximum Daily Load of Phosphorus in the Lower Monocacy River Watershed, Frederick, Carroll and Montgomery Counties, MarylandMay 22, 2013
Total Maximum Daily Load of Phosphorus in the Upper Monocacy River Watershed, Frederick and Carroll Counties, MarylandMay 7, 2013
Total Maximum Daily Load of Phosphorus in the Double Pipe Creek Watershed, Frederick and Carroll Counties, MarylandApril 26, 2013
Total Maximum Daily Loads of Polychlorinated Biphenyls in the Baltimore Harbor, Curtis Creek/Bay, and Bear Creek Portions of the Patapsco River Mesohaline Tidal Chesapeake Bay Segment, Maryland

October 1, 2012

Total Maximum Daily Load of Polychlorinated Biphenyls in the Back River Oligohaline Tidal Chesapeake Bay Segment, Maryland

October 1, 2012

Total Maximum Daily Loads of Sediment/Total Suspended Solids for the Anacostia River Basin, Montgomery and Prince George’s Counties, Maryland and The District of Columbia

July 25, 2012

Total Maximum Daily Load of Sediment in the Potomac River Montgomery County Watershed, Montgomery and Frederick Counties, Maryland

June 19, 2012

Total Maximum Daily Load of Sediment in the Potomac River Washington County Watershed, Washington County, Maryland

September 30, 2011

Total Maximum Daily Load of Sediment in the Seneca Creek Watershed, Montgomery County, Maryland

September 30, 2011

Total Maximum Daily Load of Sediment in the Patuxent River Upper Watershed, Howard, Anne Arundel, and Prince George's Counties, Maryland

September 30, 2011

Total Maximum Daily Load of Sediment in the Little Patuxent River Watershed, Howard and Anne Arundel Counties, Maryland

September 30, 2011

Total Maximum Daily Load of Sediment in the Cabin John Creek Watershed, Montgomery County, Maryland

September 30, 2011

Total Maximum Daily Load of Sediment in the Bynum Run Watershed, Harford County, Maryland

September 30, 2011

Total Maximum Daily Load of Sediment in the Patapsco River Lower North Branch Watershed, Baltimore City and Baltimore, Carroll, Howard, and Anne Arundel Counties, Maryland

September 30, 2011

Total Maximum Daily Loads of Polychlorinated Biphenyls in the Northeast and Northwest Branches of the Nontidal Anacostia River, Montgomery and Prince George's County, Maryland

September 30, 2011

Total Maximum Daily Load of Sediment in the Rock Creek Watershed, Montgomery County, Maryland

September 29, 2011

Total Maximum Daily Load of Sediment in the Jones Falls Watershed, Baltimore City and Baltimore County, Maryland

September 29, 2011

Total Maximum Daily Loads of Fecal Bacteria for the Patuxent River Upper Basin in Anne Arundel and Prince George’s Counties, Maryland

August 9, 2011

Total Maximum Daily Loads of Fecal Coliform for the Restricted Shellfish Harvesting Area in Monie Bay in Somerset County, Maryland

March 30, 2011

Total Maximum Daily Loads of Polychlorinated Biphenyls in Corsica River of the Lower Chester River, Mesohaline Segment, Queen Anne’s County, Maryland

March 22, 2011

Total Maximum Daily Loads of Polychlorinated Biphenyls in the Sassafras River, Oligohaline Segment, Cecil and Kent Counties, Maryland

March 22, 2011

Total Maximum Daily Loads of Polychlorinated Biphenyls in Northeast River, Tidal Fresh Segment, Cecil County, Maryland

March 22, 2011

Total Maximum Daily Load of Mercury for Watersheds draining to Millington Wildlife Management Area Ponds Kent County, Maryland

March 18, 2011

Total Maximum Daily Load of Mercury for Cash Lake Watershed, Prince George’s County, Maryland

March 18, 2011

Total Maximum Daily Loads of Polychlorinated Biphenyls in the Bohemia River, Oligohaline Segment, Cecil County, Maryland

March 18, 2011

Total Maximum Daily Loads of Bacteria for Duck Neck Beach of Chester River in the Upper Chester River Basin in Kent and Queen Anne’s Counties, Maryland

March 18, 2011

Total Maximum Daily Loads of Bacteria for Impaired Recreational Areas in Marley Creek and Furnace Creek of Baltimore Harbor Basin in Anne Arundel County, Maryland

March 10, 2011

Total Maximum Daily Loads of Iron and Aluminum for the Upper North Branch Potomac River Watershed, Garrett County, MD

February 15, 2011

Western Maryland pH TMDLs for the Casselman River, Georges Creek, Savage River, Upper North Branch of the Potomac River, and Wills Creek Watersheds

Revision Approved February 10, 2011

April 17, 2008

Total Maximum Daily Loads of Trash for the Anacostia River Watershed, Montgomery and Prince George’s Counties, Maryland and the District of Columbia

Sept. 21, 2010

Total Maximum Daily Loads of Fecal Coliform for the Extended Restricted Shellfish Harvesting Area in Miles River Mainstem of the Miles River Basin in Talbot County, Maryland

Sept. 9, 2010

Total Maximum Daily Load of Sediment in the Gwynns Falls Watershed, Baltimore City and Baltimore County, Maryland

Mar. 10, 2010

Total Maximum Daily Load of Sediment in the Upper Monocacy River Watershed, Frederick and Carroll Counties, Maryland

Dec. 3, 2009

Total Maximum Daily Loads of Fecal Bacteria for Lower North Branch Patapsco River Watershed in Baltimore, Carroll, Anne Arundel, Howard Counties and Baltimore City, Maryland

Dec. 3, 2009

Total Maximum Daily Loads of Fecal Bacteria for Loch Raven Reservoir Watershed in Baltimore, Carroll and Harford Counties, Maryland

Dec. 3, 2009

Total Maximum Daily Loads of Fecal Bacteria for Liberty Reservoir Watershed in Carroll and Baltimore Counties, Maryland

Dec. 3, 2009

Total Maximum Daily Loads of Fecal Bacteria for Little Youghiogheny River in Garrett County, Maryland

Dec. 3, 2009

Total Maximum Daily Loads of Fecal Bacteria for Lower Monocacy River in Frederick, Carroll, and Montgomery Counties, Maryland

Dec. 3, 2009

Total Maximum Daily Loads of Fecal Bacteria for Double Pipe Creek in Frederick and Carroll Counties, Maryland

Dec. 3, 2009

Total Maximum Daily Loads of Fecal Bacteria for Upper Monocacy River in Frederick and Carroll Counties, Maryland

Dec. 3, 2009

Total Maximum Daily Loads of Fecal Bacteria for Antietam Creek in Washington County, Maryland

Oct. 8, 2009

Total Maximum Daily Loads of Fecal Bacteria for the Prettyboy Reservoir Basin in Baltimore and Carroll Counties, Maryland

Oct. 8, 2009

Total Maximum Daily Loads of Fecal Bacteria for the Cherry Creek Sub-basin in the Youghiogheny River Basin in Garrett County, Maryland

Sept. 23, 2009

Total Maximum Daily Loads of Fecal Coliform for the Restricted Shellfish Harvesting Area in Mill Creek of the Lower Patuxent River Basin in Charles County, Maryland

August 20, 2009

Total Maximum Daily Load of Sediment in the Catoctin Creek Watershed, Frederick County, Maryland

July 31, 2009

Total Maximum Daily Loads of Fecal Bacteria for the Conococheague Creek Basin in Washington County, Maryland

May 7, 2009

Total Maximum Daily Loads of Fecal Coliform for the Restricted Shellfish Harvesting/Growing Areas of the Pocomoke River in the Lower Pocomoke River Basin and Pocomoke Sound Basin in Somerset and Worcester Counties, Maryland and Accomack County, Virginia

April 15, 2009

Total Maximum Daily Loads of Fecal Bacteria for the Non-Tidal Dividing Creek Basin in Somerset, Wicomico, and Worcester Counties, Maryland

April 15, 2009

Total Maximum Daily Load of Sediment in the Lower Monocacy River Watershed, Frederick, Carroll, and Montgomery Counties, Maryland

Mar. 17, 2009

Total Maximum Daily Load of Sediment in the Double Pipe Creek Watershed, Frederick and Carroll Counties, Maryland

Feb. 20, 2009

Total Maximum Daily Load of Sediment in the Antietam Creek Watershed, Washington County, Maryland

Dec. 18, 2008

Total Maximum Daily Load of Sediment in the Conococheague Creek Watershed, Washington County, Maryland

Nov. 24, 2008

Total Maximum Daily Loads of Phosphorus and Sediments for Triadelphia Reservoir (Brighton Dam) and Total Maximum Daily Loads of Phosphorus for Rocky Gorge Reservoir, Howard, Montgomery, and Prince George’s Counties, Maryland

Nov. 24, 2008

Total Maximum Daily Loads of Fecal Coliform for the Restricted Shellfish Harvesting Area in the Lower Wicomico River Basin in Wicomico and Somerset Counties, Maryland

June 18. 2008

Total Maximum Daily Loads of Fecal Coliform for the Restricted Shellfish Harvesting Area of the Chester River in the Lower Chester River Basin, Southeast Creek Basin, and Middle Chester River Basin in Kent and Queen Anne’s Counties, MD

June 11, 2008

Total Maximum Daily Loads of Fecal Coliform for the Restricted Shellfish Harvesting Area in the Nanticoke River Mainstem in Dorchester and Wicomico Counties, Maryland

June 11, 2008

Total Maximum Daily Loads of Nutrients/Biochemical Oxygen Demand for the Anacostia River Basin, Montgomery and Prince George’s Counties, Maryland and The District of Columbia

June 5, 2008

Total Maximum Daily Loads of Fecal Coliform for the Restricted Shellfish Harvesting Areas in Whitehall and Meredith Creeks, Mill Creek, and the Severn River Mainstem of the Severn River Basin in Anne Arundel County, Maryland

April 10, 2008

Total Maximum Daily Loads of Fecal Coliform for the Restricted Shellfish Harvesting Area in the Wye River Basin in Queen Anne’s and Talbot Counties, Maryland

Feb. 29, 2008

Total Maximum Daily Loads of Fecal Bacteria for the Non-Tidal Jones Falls Basin in Baltimore City and Baltimore County, Maryland

Feb. 12, 2008

Total Maximum Daily Loads of Nitrogen and Phosphorus for the Baltimore Harbor in Anne Arundel, Baltimore, Carroll and Howard Counties and Baltimore City, Maryland

Dec. 17, 2007

Total Maximum Daily Loads of Fecal Bacteria for the Non-Tidal Gwynns Falls Basin in Baltimore City and Baltimore County, Maryland

Dec. 4, 2007

Total Maximum Daily Loads of Fecal Bacteria for the Herring Run Basin in Baltimore City and Baltimore County, Maryland

Dec. 4, 2007

Total Maximum Daily Loads of Fecal Bacteria for the Wills Creek Basin in Allegany and Garrett Counties, Maryland

Nov. 6, 2007

Total Maximum Daily Loads of Polychlorinated Biphenyls (PCBs) for Tidal Portions of the Potomac and Anacostia Rivers in the District of Columbia, Maryland, and Virginia

Oct. 31, 2007

Total Maximum Daily Loads of Fecal Bacteria for the Non-Tidal Piscataway Creek Basin in Prince George’s County, Maryland

Sept. 20, 2007

Total Maximum Daily Loads of Fecal Bacteria for the Non-Tidal Wicomico River Headwaters Basin in Wicomico County, Maryland

Sept. 20, 2007

Low pH Total Maximum Daily Loads for the Youghiogheny River Basin in Garrett County, Maryland

Sept. 20, 2007

Total Maximum Daily Loads of Fecal Bacteria for the Non-Tidal Georges Creek Basin in Garrett and Allegany Counties, Maryland

Sept. 20, 2007

Total Maximum Daily Loads of Fecal Bacteria for the Non-Tidal Rock Creek Basin in Montgomery County, Maryland

July 30, 2007

Total Maximum Daily Load of Sediment in the Upper North Branch Potomac River Watershed, Garrett County, Maryland

May 15, 2007

Total Maximum Daily Loads of Phosphorus and Sediments for Loch Raven Reservoir and Total Maximum Daily Loads of Phosphorus for Prettyboy Reservoir, Baltimore, Carroll and Harford Counties, Maryland

Mar. 27, 2007

Total Maximum Daily Loads of Fecal Bacteria for the Non-tidal Cabin John Creek Basin in Montgomery County, Maryland

Mar. 14, 2007

Total Maximum Daily Loads of Fecal Bacteria for the Anacostia River Basin in Montgomery and Prince George’s Counties, Maryland

Mar. 14, 2007

Total Maximum Daily Load of Sediment in the Youghiogheny River Watershed, Garrett County, Maryland

Feb. 21, 2007

Total Maximum Daily Load of Sediment in the Little Youghiogheny River Watershed, Garrett County, Maryland

Feb. 7, 2007

Total Maximum Daily Load of Sediment in the Wills Creek Watershed, Garrett and Allegany Counties, Maryland

Jan. 16, 2007

Total Maximum Daily Load of Sediment in the Evitts Creek Watershed, Allegany County, Maryland

Jan. 16, 2007

Total Maximum Daily Load of Sediment in the Georges Creek Watershed, Garrett and Allegany County, Maryland

Dec. 27, 2007

Total Maximum Daily Loads of Nitrogen and Phosphorus for the Upper and Middle Chester River Kent and Queen Anne’s Counties, Maryland

Nov. 28, 2006

Total Maximum Daily Loads of Fecal Coliform for the Restricted Shellfish Harvesting Area in the Lower Choptank River Mainstem in Dorchester and Talbot Counties, Maryland

Nov. 15, 2006

Total Maximum Daily Loads of Fecal Coliform for Restricted Shellfish Harvesting Areas in Whitehall Creek, Indian Creek, Goose Creek, Warwick River, and San Domingo Creek for the Lower Choptank River Basin in Dorchester and Talbot Counties, Maryland

Sept. 11, 2006

Total Maximum Daily Loads of Fecal Coliform for the Restricted Shellfish Harvesting Area in Laws Thorofare and Upper Thorofare of the Tangier Sound Basin in Somerset County, Maryland

Aug. 2, 2006

Total Maximum Daily Load of Fecal Coliform for the Restricted Shellfish Harvesting Area in Wells Cove of the Kent Narrows - Prospect Bay Basin in Queen Anne’s County, Maryland

Aug. 2, 2006

Total Maximum Daily Loads of Fecal Coliform for Restricted Shellfish Harvesting Areas in the Manokin River and St. Peter’s Creek of the Manokin River Basin in Somerset County, Maryland

Feb. 20, 2006

Total Maximum Daily Loads of Fecal Coliform for Restricted Shellfish Harvesting Areas in Bear Neck Creek, Cadle Creek, West River, and Parish Creek for the West River Basin in Anne Arundel County, Maryland

Feb. 20, 2006

Total Maximum Daily Loads of Fecal Coliform for Restricted Shellfish Harvesting Areas in Tracy and Rockhold Creeks of the Other West Chesapeake Bay Drainages Basin in Anne Arundel County, Maryland

Feb. 20, 2006

Total Maximum Daily Loads of Fecal Coliform for Restricted Shellfish Harvesting Areas in Magothy River, Tar Cove, and Forked Creek and a Water Quality Analysis of Fecal Coliform for Deep Creek of the Magothy River Basin in Anne Arundel County, Maryland

Feb. 20, 2006

Total Maximum Daily Loads of Fecal Coliform for the Restricted Shellfish Harvesting Area in Back Creek of the Honga River Basin in Dorchester County, Maryland

Jan. 11, 2006

Total Maximum Daily Loads of Nitrogen, Phosphorus, and Biochemical Oxygen Demand for Breton Bay, St. Mary's County, Maryland

Dec. 19, 2005

Total Maximum Daily Loads of Fecal Coliform for the Restricted Shellfish Harvesting Area in Cherry Cove Creek of the Breton Bay Basin in St. Mary’s County, Maryland

Nov. 21, 2005

Total Maximum Daily Loads of Fecal Coliform for Restricted Shellfish Harvesting Portion of the Corsica River in Queen Anne's County, Maryland

Nov. 4, 2005

Total Maximum Daily Loads of Fecal Coliform for Restricted Shellfish Harvesting Areas in the South River, Duvall Creek, Selby Bay, and Ramsey Lake of the South River Basin in Anne Arundel County, Maryland

Nov. 4, 2005

Total Maximum Daily Loads of Fecal Coliform for the Restricted Shellfish Harvesting Area in Little Creek and a Water Quality Analysis of Fecal Coliform for Shipping Creek of the Eastern Bay Basin in Queen Anne’s County, Maryland

Sept. 27, 2005

Total Maximum Daily Loads of Fecal Coliform for Restricted Shellfish Harvesting Areas in Miles River and Leeds Creek and a Water Quality Analysis of Fecal Coliform for Hunting Creek of the Miles River Basin in Talbot County, Maryland

Sept. 27, 2005

Total Maximum Daily Loads of Fecal Coliform for Restricted Shellfish Harvesting Areas in Solomons Island Harbor, Washington and Persimmon Creeks, and Cuckold Creek of the Patuxent River Lower Basin in Calvert and St. Mary'​s Counties, Maryland

Sept. 27, 2005

Total Maximum Daily Loads of Nitrogen and Phosphorus for the Back River, Baltimore City and Baltimore County, Maryland

June 29, 2005

Total Maximum Daily Loads and Water Quality Analysis of Fecal Coliform for Restricted Shellfish Harvesting Areas in the Lower Choptank River Basin in Talbot and Dorchester Counties, Maryland

June 7, 2005

Total Maximum Daily Loads of Fecal Coliform for Restricted Shellfish Harvesting Areas in the St. Clements Bay in St. Mary's County, Maryland

June 7, 2005

Total Maximum Daily Loads of Fecal Coliform for Restricted Shellfish Harvesting Areas in the Wicomico River Watershed Basin (Charleston Creek and Chaptico Bay) in Charles and St. Mary's Counties, Maryland

May 25, 2005

Total Maximum Daily Loads for Island Creek, Town Creek, Trent Hall Creek, St. Thomas Creek, Harper and Pearson Creeks, Goose Creek and Indian Creek and a Water Quality Analysis for Battle Creek of Fecal Coliform for Restricted Shellfish Harvesting Areas in the Lower Patuxent River Basin in Calvert, Charles, and St. Mary's Counties, Maryland

May 25, 2005

Total Maximum Daily Loads of Fecal Coliform for Restricted Shellfish Harvesting Areas in the St. Mary's River Basin in St. Mary's County, Maryland

May 25, 2005

Total Maximum Daily Loads of Fecal Coliform for Restricted Shellfish Harvesting Areas in the Potomac River Lower Tidal Basin in St. Mary's County, Maryland

May 25, 2005

Total Maximum Daily Loads of Fecal Coliform for Church Creek in the Little Choptank River Basin in Dorchester County, Maryland

May 25, 2005

TMDLs of Nitrogen and Phosphorus for the Northeast River in Cecil County, Maryland

Jan. 12, 2005

Total Maximum Daily Loads of Nitrogen and Phosphorus for Mattawoman Creek in Charles County and Prince George's County, Maryland

Jan. 5, 2005

TMDL of Mercury for Prettyboy Reservoir in Baltimore County, Maryland

Aug. 16, 2004

TMDL of Mercury for Loch Raven Reservoir in Baltimore County, Maryland

Aug. 16, 2004

TMDL of Mercury for St. Mary's Lake in St. Mary's County, Maryland

Feb. 23, 2004

TMDL of Mercury for Deep Creek Lake in Garrett County, Maryland

Feb. 18, 2004

TMDL of Mercury for Big Piney Reservoir in Garrett County, Maryland

Feb. 18, 2004

TMDL for Mercury for Savage River Reservoir in Garrett County, Maryland

Jan. 29, 2004

TMDL for Mercury for Lake Lariat in Calvert County, Maryland

Jan. 27, 2004

Total Maximum Daily Load of Mercury to Tuckahoe Lake in Caroline County, Maryland

Jan. 27, 2004

TMDLs to Address Low pH in Cherry Creek in the Deep Creek Watershed Garrett County, Maryland

Nov. 26, 2003

TMDLs of Biochemical Oxygen Demand (BOD), Nitrogen and Phosphorus for Town Creek into which the Town of Oxford Wastewater Treatment Plant Discharges, Talbot County, MD

Oct. 16, 2003

TMDLs of Carbonaceous Biochemical Oxygen Demand (CBOD), Nitrogenous Biochemical Oxygen Demand (NBOD) and Total Phosphorus (TP) for an Unnamed Tributary of La Trappe Creek into which the Town of Trappe Wastewater Treatment Plant Discharges, Talbot County, MD

Sept. 22, 2003

TMDLs of Phosphorus for Southeast Creek, Queen Anne's County, Maryland

Sept. 22, 2003

TMDLs of Phosphorus and Sediments to Lake Linganore, Frederick County, Maryland

May 13, 2003

TMDLs of Phosphorus and Sediments to Centennial Lake, Howard County, MD

April 24, 2002

TMDLs of Phosphorus and Sediments to Clopper Lake, Montgomery County, MD

April 4, 2002

TMDLs of Phosphorus and Sediments to Big Mill Pond, Worcester County, MD

April 4, 2002

TMDLs of Phosphorus to Sassafras River in Cecil and Kent Counties, Maryland

April 1, 2002

TMDLs of Phosphorus and Sediments to Adkins Pond in the Pocomoke River Watershed Wicomico County, MD

Mar. 27, 2002

TMDLs of Nitrogen and Phosphorus to Swan Creek in Harford County, Maryland

Mar. 27, 2002

TMDLs of Nitrogen and Phosphorus to Still Pond Creek in Kent County, Maryland

Mar. 25, 2002

TMDLs for Nitrogen and Phosphorus for Worton Creek in Kent County, Maryland

Feb. 6, 2002

TMDLs for Nitrogen, Phosphorus and Biochemical Oxygen Demand (BOD) for the Lower Wicomico River, Wicomico and Somerset Counties, Maryland

June 22, 2001

TMDL for Chlordane in Lake Roland, Baltimore County, MD

Mar. 23, 2001

TMDL for Chlordane in the Baltimore Harbor, Baltimore City, MD

Mar. 20, 2001

TMDLs of Nitrogen and Phosphorus for the Chicamacomico River In Dorchester County, MD

Feb. 28, 2001

TMDLs of Phosphorus and Sediments to Johnson Pond in the Upper Wicomico Watershed, Wicomico County, MD

Feb. 13, 2001

TMDLs of Nitrogen and Biochemical Oxygen Demand (BOD) for the Manokin River in Somerset County, MD

Feb. 13, 2001

TMDL for Phosphorus for Marshyhope Creek, Dorchester and Caroline Counties, Maryland

Feb. 13, 2001

TMDLs of Nitrogen and Phosphorus for Wicomico Creek, Wicomico and Somerset Counties, Maryland

Jan. 29, 2001

TMDLs of Carbonaceous Oxygen Demand (CBOD) and Nitrogenous Biochemical Oxygen Demand (NBOD) for the Little Youghiogheny River, Garrett County, Maryland

Jan. 29, 2001

TMDLs of Nitrogen and Phosphorus for Bohemia River, Cecil County, Maryland

Jan. 29, 2001

TMDL of Biochemical Oxygen Demand (BOD) for the Western Branch of the Patuxent River, Prince George’s County, MD

June 6, 2000

TMDLs of Nitrogen and Phosphorus for Corsica River in Queen Anne’s County, MD

May 9, 2000

TMDLs of Nitrogen and Phosphorus for the Transquaking River in Dorchester County, MD

March 9, 2000

TMDL of Phosphorus Entering Broadford Lake, Garrett County, MD

March 2, 2000

TMDL of Chlordane for Back River, Baltimore County, MD

Dec. 17, 1999

TMDLs of Phosphorus and Sediments to Tony Tank Lake, Wicomico County, MD

Dec. 10, 1999

TMDLs of Phosphorus and Sediments to Urieville Community Lake in Kent County, MD

Aug. 24, 1999

TMDLs of Nitrogen and Phosphorus for Port Tobacco River, Charles County

Mar. 18, 1999

TMDLs of Nitrogen and Phosphorus for Fairlee Creek, Kent County

Mar. 18, 1999

Water Quality Analyses with EPA Concurrence of MDE's Findings

Water Quality Analyses of Zinc in the Middle Harbor and Curtis Bay/Creek Portions of the Patapsco River Mesohaline Chesapeake Bay Tidal Segment in Baltimore City, Baltimore County and Anne Arundel County, Maryland​​
January 14, 2022​
Water Quality Analysis of Eutrophication for Lake Habeeb, Allegany County, Maryland
November 3, 2016
Water Quality Analysis of Mercury in Fish Tissue in Rocky Gorge Reservoir in Howard, Montgomery, and Prince George’s Counties, MarylandFebruary 5, 2015
Water Quality Analysis of Chromium in Northwest Branch and Bear Creek Portions of the Patapsco River Mesohaline Tidal Chesapeake Bay Segment, Baltimore City and Baltimore County, MarylandJune 24, 2014
Water Quality Analysis of Mercury in the Liberty Reservoir, Baltimore and Carroll Counties, MarylandMay 6, 2014
Water Quality Analysis of Copper in the Patapsco River Mesohaline Tidal Chesapeake Bay Segment, Anne Arundel County, Maryland

January 30, 2013

Water Quality Analysis of Eutrophication for the Potomac River Montgomery County Watershed, Montgomery and Frederick Counties, Maryland

May 18, 2012

Water Quality Analysis of Sediment in Potomac River Lower North Branch, Allegany County, Maryland

May 18, 2012

Water Quality Analysis of Sediment in the Conowingo Dam/Susquehanna River Watershed, Cecil and Harford Counties, Maryland

May 18, 2012

Water Quality Analysis of Phosphorus for the Potomac River Lower North Branch in Allegany County, Maryland

May 18, 2012

Water Quality Analysis of Phosphorus for the Conowingo Dam Susquehanna River Watershed, Cecil and Harford Counties, Maryland

May 18, 2012

Water Quality Analysis of Phosphorus for the Lower Gunpowder Falls Watershed, Baltimore County, Maryland

May 18, 2012

Water Quality Analysis of Phosphorus in Deep Creek Lake and the Deep Creek Watershed, Garrett County, Maryland

Sept. 9, 2011

Water Quality Analysis of Eutrophication for the Potomac River Washington County in Washington County, Maryland

Feb. 1, 2011

Water Quality Analysis of Sediment in the Middle Patuxent River, Howard County, Maryland

Dec. 7, 2010

Water Quality Analysis of Eutrophication for the Evitts Creek Basin in Allegany County, Maryland

Mar. 15, 2010

Water Quality Analysis of Eutrophication for the Wills Creek Basin in Allegany and Garrett Counties, Maryland

Mar. 15, 2010

Water Quality Analysis of Eutrophication for the Gwynns Falls Watershed in Baltimore County and Baltimore City, Maryland

Mar. 15, 2010

Water Quality Analysis of Eutrophication for the Jones Falls Watershed in Baltimore City and Baltimore County, Maryland

Mar. 15, 2010

Water Quality Analysis of Eutrophication for the Little Patuxent River Basin in Anne Arundel and Howard Counties, Maryland

Mar. 15, 2010

Water Quality Analysis of Eutrophication for the Lower North Branch Patapsco River Basin in Anne Arundel, Baltimore, Carroll, and Howard Counties, and Baltimore City, Maryland

Sept. 24, 2009

Water Quality Analysis of Eutrophication for the Cabin John Creek Basin in Montgomery County, Maryland

Sept. 24, 2009

Water Quality Analysis of Eutrophication for the Seneca Creek Basin in Montgomery County, Maryland

Sept. 23, 2009

Water Quality Analysis of Eutrophication for the Little Gunpowder Falls Basin in Baltimore and Harford Counties, Maryland

Aug. 26, 2009

Water Quality Analysis of Cadmium in Lower Susquehanna River, Cecil and Harford County, Maryland

Aug. 20, 2009

Water Quality Analysis of Cadmium in Little Patuxent River, Anne Arundel County and Howard County, Maryland

July 13, 2009

Water Quality Analysis of Zinc in Middle Patuxent River, Howard County, Maryland

July 2, 2009

Water Quality Analysis of Lead in Northeast River, Cecil County, Maryland

Feb. 20, 2009

Water Quality Analysis of Zinc and Lead in Bodkin Creek, Anne Arundel County, Maryland

Feb. 20, 2009

Water Quality Analysis of Chlorpyrifos in the Patuxent River Lower and Middle Watersheds; Anne Arundel, Calvert, Charles, Prince George’s, and St. Mary’s Counties, Maryland

July 3, 2007

Water Quality Analysis of Eutrophication for Bynum Run, Harford County, Maryland

June 12, 2007

Water Quality Analysis of Fecal Coliform for the Restricted Shellfish Harvesting Area in the Mainstem Patuxent River Lower Basin in Prince George’s, Charles, and Calvert Counties, Maryland

May 15, 2007

Water Quality Analysis of Eutrophication for the Patuxent River Upper Watershed, Anne Arundel, Prince George’s, and Howard Counties Maryland

Feb. 21, 2007

Water Quality Analysis of Eutrophication for the Middle Patuxent River, Howard County, Maryland

Feb. 21, 2007

Water Quality Analysis of Sediment for Town Creek, Allegany County, Maryland

Dec. 27, 2006

Water Quality Analysis of Metals for the Upper North Branch of the Potomac River, Garrett County, Maryland

Nov. 15, 2006

Water Quality Analysis of Copper, Lead, Selenium and Zinc for Zekiah Swamp, Prince George's and Charles Counties, Maryland

Sept. 11, 2006

Water Quality Analysis of Cyanide for Wills Creek, Allegany and Garrett Counties, Maryland

Aug. 16, 2006

Water Quality Analysis of Cadmium for the Lower North Branch of the Potomac River, Allegany County, Maryland

Aug. 16, 2006

Water Quality Analysis of Eutrophication for Little Seneca Lake, Montgomery County, Maryland

Aug. 10, 2006

Water Quality Analysis of Eutrophication for Town Creek, Allegany County, Maryland

Aug. 10, 2006

Water Quality Analysis of Eutrophication for the Upper North Branch Potomac River, Garrett County, Maryland

Aug. 10, 2006

Water Quality Analysis of Copper in the Potomac River Upper Tidal, Prince George’s County and Charles County, Maryland

July 7, 2006

Water Quality Analysis of Cadmium, Chromium, Copper and Lead in the Potomac River Middle Tidal, Charles County, Maryland

June 6, 2006

Water Quality Analysis of Eutrophication for the Tidal Lower Susquehanna River in Harford and Cecil Counties, Maryland

Jan. 11, 2006

Water Quality Analysis of Low pH in Evitts Creek, Allegany County, Maryland

Dec. 16, 2005

Water Quality Analysis of Low pH in Wills Creek, Allegany County, Maryland

Dec. 12, 2005

Water Quality Analysis of Zinc for Northeast River in Cecil County, Maryland

Dec. 7, 2005

Water Quality Analyses of Arsenic, Cadmium and Silver for Back Creek, Cecil County, Maryland

Nov. 7, 2005

Water Quality Analysis of Low pH for the Lower North Branch Potomac River in Allegany County, Maryland

Sept. 27, 2005

Water Quality Analysis of Eutrophication for Greenbrier Lake, Washington County, Maryland

Sept. 27, 2005

Water Quality Analyses of Fecal Coliform for Eight Basins in Maryland: Assawoman Bay, Sinepuxent Bay, Newport Bay, and Chincoteague Bay in Worcester County; Monie Bay in Somerset County; Kent Island Bay in Queen Anne’s County; Rock Creek in Anne Arundel County; and Langford Creek in Kent County

May 9, 2005

Water Quality Analysis of Eutrophication for the Tidal Bird River, Baltimore County, Maryland

May 9, 2005

Water Quality Analysis of Eutrophication for Piney Run Reservoir in Carroll County, Maryland

Jan. 20, 2005

Water Quality Analysis of Heavy Metals for the Lower North Branch Patapsco River in Baltimore, Carroll, Howard and Anne Arundel Counties and Baltimore City, Maryland

Jan. 18, 2005

Water Quality Analyses for Lead in the Inner Harbor/Northwest Branch and Zinc in the Inner Harbor/Northwest Branch and Bear Creek Portions of Baltimore Harbor in Baltimore City and Baltimore County, Maryland

Jan. 18, 2005

Water Quality Analysis of Zinc for Back River in Baltimore County and Baltimore City, Maryland

Dec. 23, 2004

Water Quality Analysis of Copper and Lead for the Jones Falls in Baltimore County and Baltimore City, Maryland

Dec. 2, 2004

Water Quality Analysis of Mercury for Broadford Lake, Garrett County, Maryland

Sept. 2, 2004

Water Quality Analysis of Sedimentation for Piney Run Reservoir in Carroll County, Maryland

Dec. 18, 2003

Water Quality Analyses of Cadmium and Lead for the Middle River in Baltimore County, Maryland

Nov. 10, 2003

Water Quality Analysis of Heavy Metals for the Lower Gunpowder Falls in Baltimore County, Maryland

Nov. 10, 2003

Water Quality Analyses of Chromium and Lead for the Liberty Reservoir Impoundment in Baltimore and Carroll Counties, Maryland

Nov. 10, 2003

Water Quality Analysis of Heavy Metals for the Loch Raven Reservoir Impoundment in Baltimore County, Maryland

Nov. 10, 2003

Water Quality Analysis of Heavy Metals for the Prettyboy Reservoir Impoundment in Baltimore County, Maryland

Nov. 10, 2003

Water Quality Analysis of Eutrophication for St. Mary's Lake, St. Mary's County, Maryland

Feb. 27, 2003

Water Quality Analysis of Zinc Contamination for the Jones Falls in Baltimore City and Baltimore County, Maryland

Feb. 20, 2003

Water Quality Analysis of Metals for the Little Gunpowder Falls in Harford and Baltimore Counties, Maryland

Feb. 20, 2003

Water Quality Analysis of Eutrophication for Lake Bernard Frank, Montgomery County, Maryland

Jan. 22, 2003

Water Quality Analysis of Eutrophication for Needwood Lake, Montgomery County, Maryland

Jan. 22, 2003

Water Quality Analysis of Eutrophication for the Tidal Langford Creek, Kent County, Maryland

Jan. 22, 2003

Water Quality Analysis of Eutrophication of the Savage River, Garrett County, Maryland

April 16, 2001

Water Quality Analysis of Eutrophication of Youghiogheny River Main Stem (Maryland Portion)

April 16, 2001

Water Quality Analysis of Eutrophication of the Casselman River, Garrett County, MD

April 12, 2001

 TMDLs Accepted by EPA as Information to Delist

Total Maximum Daily Load (TMDL) of Biochemical Oxygen Demand (BOD) to Antietam Creek in Washington County, Maryland

Sept. 16, 2002

TMDLs for Biochemical Oxygen Demand (BOD) to Georges Creek in Allegany and Garrett Counties, Maryland

Feb. 6, 2002

TMDL for Biochemical Oxygen Demand (BOD) for Conococheague Creek in Washington County, Maryland

Feb. 2, 2002​

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