Nitrate (NO3-) is a compound found in air, water, soil, and vegetables like beets, celery, and spinach. Nitrate is also available as a variety of dietary supplements. The body needs nitrate to ...

in Vermillion County. Waterway: Wabash River. Chemicals released in 2011: 30,285 pounds total, including nitrate compounds (29,046 pounds), chlorine (740 pounds) and ammonia (494 pounds).