The data shows the distribution of water releases based on the chemical groups among some 21,629 facilities in the U.S. in 2016. During this year, about 88% of water releases were nitrate compounds. Nitrate compounds are soluble in water and often form during wastewater treatment processes.
Nitrate compounds | 88 |
Manganese and managese compounds | 27 |
Ammonia | 18 |
Methanol | 14 |
Sodium nitrate | 12 |
Zinc and zinc compounds | 4 |
Lead | 3 |
All others | 22 |