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Maryland State Report
Other states that contain this watershed:
Virginia, Lower Potomac Watershed

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Water Quality Data Available for this Watershed

Maryland, Lower Potomac Watershed


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Listed Waters for Reporting Year 2004
Maryland, Lower Potomac Watershed

Description of this table
NOTE: Click on the underlined "Waterbody Name" to view a Waterbody report.
Breton Bay MD-02140104-T Bays and Estuaries square miles
Canoe Neck Creek (St. Clements Bay) MD-021401050725-1 Rivers and Streams miles
Cecil Creek, Dynard Run, Dynard Run Ut MD-021401050726-R Rivers and Streams miles
Cherry Cove Creek MD-021401040720 Rivers and Streams miles
Gilbert Swamp MD-02140107-R Rivers and Streams miles
Gilbert Swamp Run MD-021401070747-R Rivers and Streams miles
Mattawoman Creek MD-021401110787-R Rivers and Streams miles
Mattawoman Creek MD-021401110781-R Rivers and Streams miles
Mattawoman Creek MD-02140111-T Rivers and Streams miles
Mattawoman Creek MD-021401110784-R Rivers and Streams miles
Mill Dam Run MD-021401080767-R Rivers and Streams miles
Nanjimoy Creek MD-02140110 Rivers and Streams miles
Piney Branch - Unt MD-021401080764-R Rivers and Streams miles
Port Tobacco River MD-02140109 River 23.35 miles
Port Tobacco River MD-02140109 Rivers and Streams miles
Potomac River Lower Tidal MD-02140101 Rivers and Streams miles
Potomac River Lower Tidal MD-02140101-T Rivers and Streams miles
Potomac River Lower Tidal MD-02140101 River 15.58 miles
Potomac River Middle Tidal MD-02140102-R Rivers and Streams miles
St. Clements Bay MD-02140105-T Bays and Estuaries square miles
St. Mary'S River MD-021401030716-R Rivers and Streams miles
St. Mary'S River MD-021401030714 Rivers and Streams miles
St. Patrick Creek - (St. Clement Bay) MD-021401050725-2 Rivers and Streams miles
Wheatley Run MD-021401070750-R Rivers and Streams miles
Wicomico River MD-02140106 Rivers and Streams miles
Wicomico River MD-021401060739-R Rivers and Streams miles
Zekiah Swamp MD-02140108-R Rivers and Streams miles

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Causes of Impairment for Reporting Year 2004

Maryland, Lower Potomac

Description of this table
Biological 12
Nutrients 10
Suspended Sediment 10
Fecal Coliform 6
Copper 2
Lead 2
Cadmium 1
Chromium, Total 1
Polychlorinated Biphenyls (PCBs) 1
Selenium 1
Zinc 1

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Cumulative TMDLs by Pollutant

Maryland, Lower Potomac Watershed

This chart includes TMDLs since October 1, 1995.

Description of this table
NOTE: Click on the underlined "Number of TMDLs Completed" value to see a listing of those approved TMDLs for the pollutant.
Number of Causes of
Impairment Addressed
Nitrogen, Total color.gif 6 6
Phosphorus, Total color.gif 6 6
Total Suspended Solids (TSS) color.gif 6 6
Fecal Coliform color.gif 4 4
Nitrogen color.gif 2 2
Phosphorus color.gif 2 2
Nutrients color.gif 1 1
Polychlorinated Biphenyls (PCBs) color.gif 1 1

Total: 28 TMDLs; 0 Causes of Impairment



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