EPA · Oklahoma · discharge permits by parameter
Hardness, total [as CaCO3] in Oklahoma
- 7Permits 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 Oklahoma permits that carry one for Hardness, total [as CaCO3]: 7 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 Oklahoma
- Solids, settleable 6
- Oil and grease, hexane extr method 66
- Oil & Grease 68
- Nitrogen, ammonia total [as N] 113
- Nitrogen, nitrate total [as N] 3
- Phosphorus, total [as P] 15
- Phosphorous, total organic [as P] 4
- Carbon, tot organic [TOC] 24
- Cyanide, total [as CN] 14
- Sulfide, total [as S] 4
- Chloride [as Cl] 11
- Chloride, dissolved in water 4
- Sulfate, total [as SO4] 15
- Sulfate, dissolved [as SO4] 6
- Fluoride, total [as F] 3
- Arsenic, total [as As] 8
- Arsenic, dry weight 32
- Cadmium, total [as Cd] 20
- Chromium, hexavalent [as Cr] 3
- Chromium, total [as Cr] 20
Hardness, total [as CaCO3] nationwide
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