EPA · Indiana · discharge permits by parameter
Hardness, total [as CaCO3] in Indiana
- 33Permits carrying a limit
- 0With a recorded exceedance
- 2,593Nationwide
A parameter is the substance or the property EPA writes a numeric limit for, and this page counts the Indiana permits that carry one for Hardness, total [as CaCO3]: 33 permits, of which 0 have a recorded exceedance. Nationwide the same parameter appears in 2,593 permits. Each row below is one permit, and it opens the agency’s own record for that permit.
Permits
Other pollutants in Indiana
- Nitrogen, ammonia total [as N] 1,008
- Nitrogen, Kjeldahl, total [as N] 413
- Nitrite + Nitrate total [as N] 417
- Phosphate, total [as PO4] 4
- Phosphorus, total [as P] 793
- Carbon, tot organic [TOC] 25
- Cyanide, free [as free] 66
- Cyanide, total [as CN] 172
- Cyanide, free [amenable to chlorination] 89
- Sulfide, total [as S] 5
- Magnesium, total recoverable 5
- Sodium, total [as Na] 4
- Chloride [as Cl] 117
- Sulfate, total [as SO4] 82
- Fluoride, total [as F] 31
- Arsenic, total recoverable 42
- Cobalt, total recoverable 3
- Iron, total recoverable 196
- Selenium, total recoverable 37
- Thallium, total recoverable 3
Hardness, total [as CaCO3] nationwide
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