Basin Name |
DNR 8-digit Basin Number |
Impairment |
Status |
Magothy River |
02131001 |
Bacteria |
Approved: Feb. 20, 2006 |
Magothy River |
02131001 |
PCBs |
Approved: March 16, 2015 |
Manokin River |
02130208 |
Nutrients & BOD |
Approved: Feb. 13, 2001 |
Manokin River |
02130208 |
Bacteria |
Approved: Feb. 20, 2006 |
Marley Creek |
02130903 |
Bacteria |
Approved: March 10, 2011 |
Marsh Run |
02140503 |
Sediment |
Approved: Sept. 12, 2019 |
Marshyhope Creek |
02130306 |
Nutrients |
Approved: Feb. 13, 2001 |
Mattawoman Creek |
02140111 |
Nutrients |
Approved: Jan. 5, 2005 |
Mattawoman Creek |
02140111 |
PCBs |
Approved: February 19, 2019 |
Middle River |
02130807 |
Lead & Cadmium (WQA) |
EPA Concurrence: Nov. 10, 2003 |
Middle Patuxent River |
02131106 |
Non-Tidal Nutrients (WQA) |
Approved: Feb. 21, 2007 |
Middle Patuxent River |
02131106 |
Sediments (WQA) |
EPA Concurrence: December 7, 2010 |
Middle Patuxent River |
02131106 |
Zinc (WQA) |
Approved: July 2, 2009 |
Miles River |
02130502 |
Bacteria |
Approved: Sept. 27, 2005 |
Miles River (extended restricted shellfish harvesting area) |
02130502 |
Bacteria |
Approved: Sept. 9, 2010 |
Monie Bay |
02130302 |
Bacteria (WQA) |
EPA Concurrence: May 9, 2005 |
Monie Bay |
02130302 |
Bacteria |
Approved: March 30, 2011 |
Nanticoke River |
02130305 |
Bacteria |
Approved: June 11, 2008 |
Needwood Lake |
02140206 |
Nutrients (WQA) |
EPA Concurrence: January 22, 2003 |
Newport Bay |
02130105 |
Nitrogen and Phosphorus |
Approved: August 7, 2014 |
Newport Bay |
02130105 |
Bacteria (WQA) |
EPA Concurrence: May 9, 2005 |
Northeast River |
02130608 |
Nutrients |
Approved: Jan. 12, 2005 |
Northeast River |
02130608 |
Zinc (WQA) |
Approved: Dec. 17, 2005 |
Northeast River |
02130608 |
Lead (WQA) |
Approved: Feb. 20, 2009 |
Northeast River |
02130608 |
PCBs |
Approved: March 22, 2011 |
Patuxent River Mesohaline, Oligohaline, & Tidal Fresh Segments
|
20131101 02131102 |
PCBs |
Approved: September 19, 2017 |
Patuxent River Middle |
02131102 |
Chlorpyrifos (Pesticide) |
EPA Concurrence: July 3, 2007 |
Patuxent River Middle |
02131102 |
Sediment |
Approved: July 2, 2018 |
Patuxent River Upper |
02131104 |
Non-tidal Nutrients (WQA) |
Approved: Feb. 21, 2007 |
Patuxent River Upper |
02131104 |
Bacteria |
Approved: August 9, 2011 |
Patuxent River Upper, Cash Lake |
02131104 |
Mercury |
Approved: March 18, 2011 |
Patuxent River Upper |
02131104 |
Sediments |
Approved: Sept. 30, 2011 |
Piney Run Reservoir |
02130908 |
Sediments (WQA) |
EPA Concurrence: December 18, 2003 |
Piney Run Reservoir |
02130908 |
Phosphorus2 (WQA) |
EPA Concurrence: Jan. 20, 2005 |
Piscataway Creek |
02140203 |
Bacteria |
Approved: Sept. 20, 2007 Revised final document was approved August 18, 2018. |
Piscataway Creek |
02140203 |
PCBs |
Approved: February 19, 2019 |
Piscataway Creek |
02140203 |
Sediment |
Approved: October 3, 2019 |
Pocomoke Sound |
02130201 |
Fecal Coliform |
Approved: April 15, 2009 |
Port Tobacco River |
02140109 |
Nutrients |
Approved: March 18, 1999 |
Port Tobacco River |
02140109 |
Sediment |
Aprroved: October 11, 2019 |
Potomac River, Lower Tidal |
02140101 |
PCBs |
Approved: Oct. 31, 2007 |
Potomac River, Middle Tidal |
02140102 |
Copper, Cadmium, Chromium, Lead (WQA) |
Approved: June 6, 2006 |
Potomac River, Middle Tidal |
02140102 |
PCBs |
Approved: Oct. 31, 2007 |
Potomac River, Upper Tidal |
02140201 |
Copper (WQA) |
Approved: July 7, 2006 |
Potomac River, Upper Tidal |
02140201 |
PCBs |
Approved: Oct. 31, 2007 |
Potomac River Montgomery County |
02140202 |
Sediments |
Approved: June 19, 2012 |
Potomac River Montgomery County |
02140202 |
Nutrients (WQA) |
EPA Concurrence: May 18, 2012 |
Potomac River Washington Co |
02140501 |
Nutrient (Phosphorus) (WQA) |
Approved: Feb. 1, 2011 |
Potomac River Washington Co |
02140501 |
Sediment |
Approved: Sept. 30, 2011 |
Prettyboy Reservoir |
02130806 |
Non-Tidal Bacteria |
Approved: Oct. 8, 2009 |
Prettyboy Reservoir |
02130806 |
Mercury |
Approved: August 16, 2004 |
Prettyboy Reservoir |
02130806 |
Nutrients |
Approved: Mar. 27, 2007 |
Prettyboy Reservoir |
02130806 |
Heavy Metals (WQA) |
EPA Concurrence: Nov. 10, 2003 |
Rock Creek |
02140206 |
Bacteria |
Approved: July 30, 2007 |
Rock Creek |
02140206 |
Nutrients (Phosphorus) |
Approved: Sept. 26, 2013 |
Rock Creek |
02140206 |
Sediments |
Approved: Sept. 29, 2011 |
Rock Creek in the Patapsco River Basin |
02130903 |
Bacteria (WQA) |
EPA Concurrence: May 9, 2005 |
Rocky Gorge Reservoir/T. Howard Duckett Reservoir(Patuxent River) |
02131107 |
Phosphorus |
Approved: Nov. 24, 2008 |
Rocky Gorge Reservoir (Patuxent River) |
02131107 |
Mercury (WQA) |
EPA Concurrence: February 5, 2015 |
Sassafras River |
02130610 |
Nutrients |
Approved: April 1, 2002 |
Sassafras River |
02130610 |
PCBs |
Approved: March 22, 2011 |
Savage River Reservoir |
02141006 |
Mercury |
Approved: Jan. 29, 2004 |
Savage River |
02141006 |
Low pH |
Approved: April 17, 2008
Revised Final Approved: February 10, 2011 |
Savage River |
02141006 |
Nutrients (WQA) |
Approved: April 16, 2001 |
Seneca Creek |
02140208 |
Sediment |
Approved: Sept. 30, 2011 |
Seneca Creek |
02140208 |
Nutrients (WQA) |
Approved: Sept. 23, 2009 |
Severn River |
02131002 |
Bacteria |
Approved: April 10, 2008 |
Severn River Mesohaline Segment |
02131002 |
PCBs |
Approved: July 19, 2016 |
Sinepuxent Bay |
02130104 |
Bacteria (WQA) |
EPA Concurrence: May 9, 2005 |
Sinepuxent Bay |
02130104 |
Nitrogen and Phosphorus |
Approved: August 7, 2014 |
South River |
02131003 |
Bacteria |
Approved: Nov. 4, 2005 |
South River |
02131003 |
PCBs |
Approved: April 27, 2015 |
South River |
02131003 |
Sediment |
Approved: September 28, 2017 |
Southeast Creek (Chester River) |
02130508 |
Fecal Coliform |
Approved: June 11, 2008 |
Southeast Creek (Chester River) |
02130508 |
Phosphorus |
Approved: Sept. 22, 2003 |
St. Clements Bay |
02140105 |
Bacteria |
Approved: June 7, 2005 |
St. Mary's Lake |
02140103 |
Mercury |
Approved: Feb. 23, 2004 |
St. Mary's Lake |
02140103 |
Nutrients (WQA) |
EPA Concurrence: Feb. 27, 2003 |
St. Mary's River |
02140103 |
Bacteria |
Approved: May 25, 2005 |
Stillpond Creek |
02130611 |
Nutrients |
Approved: March 25, 2002 |
Swan Creek |
02130706 |
Nutrients |
Approved: March 27, 2002 |
Swan Creek |
02130706 |
Sediments |
Approved: Sept. 30, 2016 |
Tangier Sound (One Restricted Shellfish Harvesting Area) |
02130206 |
Bacteria |
Approved: Aug. 2, 2006 |
Tony Tank Lake |
02130301 |
Phosphorus & Sediments |
Approved: Dec. 10, 1999 |
Town Creek |
02140512 |
Nutrients (WQA) |
Approved: Aug. 10, 2006 |
Town Creek |
02140512 |
Sediments (WQA) |
Approved: Dec. 27, 2006 |
Town Creek (Choptank River) |
02130403 |
Nutrients & BOD |
Approved: Oct. 16, 2003 |
Transquaking River |
02130308 |
Nutrients |
Approved: March 9, 2000 |
Triadelphia Reservoir (Patuxent River) |
02131108 |
Phosphorus & Sediments |
Approved: Nov. 24, 2008 |
Tuckahoe Lake |
02130405 |
Mercury |
Approved: Jan. 27, 2004 |
Unnamed Pond and Tributary of La Trappe Creek (Choptank River) |
02130403 |
Phosphorus & BOD |
Approved: Sept. 16, 2003 |
Urieville Lake |
02130509 |
Phosphorus & Sediment |
Approved: Aug. 24, 1999 |
Upper Chester River (Duck Neck Beach) |
02130510 |
Bacteria |
Approved: March 18, 2011 |
Upper Choptank River |
02130404 |
Sediment |
Approved: October 31, 2019 |
Upper Monocacy River |
02140303 |
Bacteria |
Approved: Dec. 3, 2009 |
Upper Monocacy River |
02140303 |
Nutrients |
Approved: May 7, 2013 |
Upper Monocacy River |
02140303 |
Sediments |
Approved: Dec. 3, 2009 |
Upper North Branch of the Potomac River |
02141005 |
Iron and Aluminum |
Approved: Feb. 15, 2011 |
Upper North Branch Potomac River |
02141005 |
Low pH |
Approved: April 17, 2008 |
Upper North Branch Potomac River |
02141005 |
Sediments |
Approved: May 15, 2007 |
Upper North Branch Potomac River |
02141005 |
Nutrients (WQA) |
Approved: Aug. 10, 2006 |
Upper North Branch Potomac River |
02141005 |
Metals (WQA) |
Approved: Nov. 15, 2006 |
Upper Pocomoke River |
02130203 |
Phosphorus |
Approved: September 30, 2013 |
Upper Pocomoke River |
02130203 |
Sediments |
Approved: November 15, 2013 |
West Chesapeake Bay Drainage |
02131005 |
Bacteria |
Approved: Feb. 20, 2006 |
West Chesapeake Bay Drainage |
02131005 |
Sediment |
Approved: Feb. 9, 2018
|
West River |
02131004 |
Bacteria |
Approved: Feb. 20, 2006 |
West/Rhode Rivers |
02131004 |
PCBs |
Approved: January 8, 2016 |
West River |
02131004 |
Sediment |
Approved: April 24, 2019 |
Western Branch, Patuxent |
02131103 |
BOD |
Approved: June 6, 2000 |
Wicomico Creek |
02130303 |
Nutrients |
Approved: Jan. 29, 2001 |
Wicomico River Headwaters |
02130304 |
Bacteria |
Approved: Sept. 20, 2007 |
Wicomico River |
02140106 |
Bacteria |
Approved: May 25, 2005 |
Wills Creek |
02141003 |
Low pH |
Approved: April 17, 2008 |
Wills Creek |
02141003 |
Cyanide (WQA) |
Approved: Aug. 16, 2006 |
Wills Creek |
02141003 |
pH (WQA) |
Approved: Dec. 16, 2005 |
Wills Creek |
02141003 |
Non-tidal Bacteria |
Approved: Nov. 6, 2007 |
Wills Creek |
02141003 |
Nutrients (WQA) |
Approved: March 15, 2010 |
Wills Creek |
02141003 |
Non-tidal Sediments |
Approved: Jan. 16, 2007 |
Worton Creek |
02130611 |
Nutrients |
Approved: Feb. 6, 2002 |
Wye River |
02130503 |
Bacteria |
Approved: Feb. 29, 2008 |
Youghiogheny River |
05020201 |
Low pH |
Approved: Sept. 20, 2007 |
Youghiogheny River |
05020201 |
Non-tidal Sediments |
Approved: Feb. 21, 2007 |
Youghiogheny River |
05020201 |
Nutrients (WQA) |
EPA Concurrence: April 16, 2001 |
Youghiogheny River, Cherry Creek |
05020201 |
Non-Tidal Bacteria |
Approved: Sept. 23, 2009 |
Zekiah Swamp |
02140108 |
Copper, Selenium, Zinc, Lead (WQAs) |
Approved: Sept. 11, 2006 |