EPA · Alaska · discharge permits by parameter
Hardness, total [as CaCO3] in Alaska
- 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 Alaska 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 Alaska
- Solids, settleable 35
- Oil & Grease 106
- Nitrogen, ammonia total [as N] 165
- Nitrogen, nitrate total [as N] 3
- Nitrogen, Kjeldahl, total [as N] 9
- Nitrite + Nitrate total [as N] 3
- Carbon, tot organic [TOC] 4
- Carbon, dissolved organic [as C] 8
- Cyanide, weak acid, dissociable 5
- Cyanide, total [as CN] 3
- Magnesium, total recoverable 6
- Arsenic, total recoverable 118
- Iron, total recoverable 49
- Selenium, total recoverable 80
- Beryllium, total recoverable [as Be] 5
- Chromium, hexavalent [as Cr] 3
- Chromium, total [as Cr] 3
- Copper, total [as Cu] 3
- Nickel, total recoverable 79
- Silver total recoverable 87
Hardness, total [as CaCO3] nationwide
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