EPA · Rhode Island · discharge permits by parameter
Hardness, total [as CaCO3] in Rhode Island
- 40Permits 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 Rhode Island permits that carry one for Hardness, total [as CaCO3]: 40 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 Rhode Island
- Solids, settleable 23
- Oil & Grease 202
- Nitrogen, total [as N] 55
- Nitrogen, ammonia total [as N] 26
- Nitrogen, nitrite total [as N] 24
- Nitrogen, nitrate total [as N] 24
- Nitrogen, Kjeldahl, total [as N] 24
- Nitrite + Nitrate total [as N] 17
- Phosphorus, total [as P] 52
- Cyanide, total [as CN] 17
- Magnesium, total [as Mg] 3
- Arsenic, total recoverable 3
- Iron, total recoverable 11
- Arsenic, total [as As] 5
- Cadmium, total [as Cd] 35
- Chromium, hexavalent [as Cr] 5
- Chromium, total [as Cr] 10
- Copper, total [as Cu] 51
- Iron, total [as Fe] 125
- Lead, total [as Pb] 134
Hardness, total [as CaCO3] nationwide
The Pay Desk is the free weekly executive pay briefing — one company at a time, every number traceable to a public filing.You’ll confirm on The Pay Desk’s sign-up page.