Sources
http://www.nrdc.org/water/
http://projects.nytimes.com/toxic-waters/polluters/north-carolina
http://www.lenntech.com/water-pollution-faq.htm#ixzz2ILzz0Iyt
http://www.sciencedaily.com/articles/w/water_pollution.htm
http://www.niehs.nih.gov/health/topics/exposure/water-poll/index.cfm
http://water.epa.gov/polwaste/
http://www.nlm.nih.gov/medlineplus/waterpollution.html
http://www.all-recycling-facts.com/facts-about-water-pollution.html
http://www.water-pollution.org.uk/
http://www.mbgnet.net/fresh/pollute.htm