EPA · Iowa · discharge permits by parameter
pH in Iowa
- 1,164Permits carrying a limit
- 816With a recorded exceedance
- 58,899Nationwide
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 pH: 1,164 permits, of which 816 have a recorded exceedance. Nationwide the same parameter appears in 58,899 permits. Each row below is one permit, and it opens the agency’s own record for that permit.
Permits
Other pollutants in Iowa
- Temperature, water deg. fahrenheit 47
- Streamflow 6
- Stream flow, instantaneous 3
- 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
- Alkalinity, total [as CaCO3] 4
- Solids, total suspended 1,048
- Solids, Settleable, Net 11
- Solids, settleable 47
- Oil & Grease 100
- Nitrogen, total [as N] 238
- 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
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