Pollution
Resources/References

• EPA's surf your watershed site
  http://www.epa.gov/surf/
• Canaan Valley Institute watershed page http://www.canaanvi.org/watersheds.htm
• Md DNR's surf your shed http://mddnr.chesapeakebay.net/wsprofiles/surf/prof/prof.html

Effect of Land Use Types on Water Quality | Imperviousness
Sources of Air Pollution in the Watershed | Water Pollution
Emission Calculator | Pollution Resources