Nitrates are a form of nitrogen, which is found in several different forms in terrestrial and aquatic ecosystems. These forms of nitrogen include ammonia (NH3), nitrates (NO3), and nitrites (NO2). Nitrates are essential plant nutrients, but in excess amounts they can cause significant water quality problems. Sources of nitrates include wastewater treatment plants, runoff from fertilized lawns and cropland, failing on-site septic systems, runoff from animal manure storage areas, and industrial discharges that contain corrosion inhibitors.

EPA Nitrate info

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1. Aldehyde
2. Asbestos
3. Bromide/Bromate
4. Chlorate/Chlorite
5. Coal Ash
6. Disinfection Byproducts (DBP)
7. Endocrine Disrupting Compounds/ Pharmaceuticals and Personal Care Products
8. Fluoride
9. Giardia/ Cryptosporidium
10. Inorganic Contaminants (IOCs), Volatile Organic Contaminants, Synthetic Organic Contaminants
11. Lead and Copper
12. Long Term 2 Enhanced Surface Water Treatment Rule Documents
13. Nitrate
14. Perchlorate
15. Radionuclides
16. Total Organic Carbon/Alkalinity