EPA · Washington · discharge permits by parameter
Hardness, total [as CaCO3] in Washington
- 48Permits 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 Washington permits that carry one for Hardness, total [as CaCO3]: 48 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
| Permit holder | NPDES ID | City | Program | Discharger | Receiving water |
|---|---|---|---|---|---|
| DAWN MINING COMPANY LLC - MIDNITE MINE | WA0025721 | WELLPINIT | Major | BLUE CREEK | |
| KING COUNTY WEST POINT WWTP | WA0029181 | SEATTLE | Publicly owned treatment works | Major | Lake Washington-Sammamish River |
Other pollutants in Washington
- Nitrogen, nitrate total [as N] 11
- Nitrogen, Kjeldahl, total [as N] 56
- Nitrite + Nitrate total [as N] 190
- Phosphate, total [as PO4] 9
- Phosphorus, total [as P] 203
- Phosphorus, dissolved reactive [drp as P] 17
- Carbon, tot organic [TOC] 6
- Carbon, dissolved organic [as C] 8
- Cyanide, total [as CN] 16
- Sulfide, total [as S] 5
- Calcium, total [as Ca] 3
- Chloride [as Cl] 58
- Sulfate, total [as SO4] 6
- Fluoride, total [as F] 3
- Arsenic, dissolved [as As] 4
- Arsenic, total [as As] 150
- Barium, total [as Ba] 11
- Beryllium, total [as Be] 23
- Cadmium, total [as Cd] 107
- Chromium, hexavalent [as Cr] 10
Hardness, total [as CaCO3] nationwide
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