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Browse History: Potomac River (2013)





Chesapeake Bay - Reporting Region Summary:



  Estuary Selection Map

Scores & Conceptual Diagram


Bay Health Index
Benthic Index of Biotic Integrity Icon
40%
C-
Potomac River: 2013

Moderately poor ecosystem health. Continued improvement from a low score in 2011. This region remains in the middle ranks of all regions with average indicator scores.


Score Legend
Locator Map
  Index/Indicator Score     Index/Indicator Score
Benthic Index of Biotic Integrity Icon Chlorophyll a
29%
  Benthic Index of Biotic Integrity Icon Aquatic grasses
43%
Benthic Index of Biotic Integrity Icon Dissolved oxygen
79%
  Benthic Index of Biotic Integrity Icon Benthic Index of Biotic Integrity
32%
Benthic Index of Biotic Integrity Icon Water clarity
12%
  Total Nitrogen Icon Total Nitrogen
32%
Total Phosphorus Icon Total Phosphorus
50%
       

Excel Spreadsheet

Dynamic Conceptual Diagram

Editable Vector Diagram (SVG)

Maps

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Region Info

The Potomac River watershed drains approximately 14,670 square miles of land, covering four states. Major bodies of water in the area include the Potomac, Anacostia, Cacapon, Monocacy, the North Branch, the South Branch, the Occoquan, and the Shenandoah Rivers. The Potomac River flows over 383 miles from Fairfax Stone, West Virginia to Point Lookout, Maryland. Major cities in the watershed include Washington, D.C, Bethesda, Cumberland, Frederick, Gettysburg and Alexandria. Forest is the major land use, followed by agriculture. The 2000 census population of the watershed was approximately 5.35 million. Washington, D.C. alone had 3.7 million people (2000 census). Based on information available at the Interstate Commission on the Potomac River Basin website.

potomac_riverconceptual diagram.png

Editable Vector Version (SVG)