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 |