EPA · Iowa · discharge permits by parameter
Nitrogen, total [as N] in Iowa
- 238Permits carrying a limit
- 29With a recorded exceedance
- 9,258Nationwide
A parameter is the substance or the property EPA writes a numeric limit for, and this page counts the Iowa permits that carry one for Nitrogen, total [as N]: 238 permits, of which 29 have a recorded exceedance. Nationwide the same parameter appears in 9,258 permits. Each row below is one permit, and it opens the agency’s own record for that permit.
Permits
Other pollutants in Iowa
- Nitrogen, ammonia per cfs of streamflow 4
- Oxygen, dissolved [DO] 378
- BOD, 5-day, 20 deg. C 509
- Oxygen demand, chem. [high level] [COD] 17
- pH 1,164
- Alkalinity, total [as CaCO3] 4
- Solids, total suspended 1,048
- Solids, Settleable, Net 11
- Solids, settleable 47
- Oil & Grease 100
- Nitrogen, ammonia total [as N] 863
- Nitrogen, nitrate total [as N] 80
- Nitrogen, Kjeldahl, total [as N] 211
- Phosphorus, total [as P] 191
- Acids, total volatile [as acetic acid] 4
- Cyanide, total [as CN] 30
- Chloride [as Cl] 208
- Sulfate, total [as SO4] 52
- Arsenic, total [as As] 5
- Cadmium, total [as Cd] 24
Nitrogen, total [as N] nationwide
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