EPA · Washington · discharge permits by parameter
Hardness, total [as CaCO3] in Washington
- 48Permits carrying a limit
- 0With a recorded exceedance
- 2,593Nationwide
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 parameters in Washington
- pH5,875
- Turbidity5,423
- Oil and grease visual2,125
- Transparency2,070
- Copper, total [as Cu]1,483
- Zinc, total [as Zn]1,473
- Total Petroleum Hydrocarbons - Diesel781
- Solids, total suspended623
- Lead, total [as Pb]496
- BOD, 5-day, 20 deg. C300
- Solids, total dissolved247
- Flow245
- Coliform, fecal general204
- Phosphorus, total [as P]203
- Nitrite + Nitrate total [as N]190
- Chlorine, total residual189
- Chemical oxygen demand [COD]170
- pH, maximum163
- Chromium, total [as Cr]154
- Arsenic, total [as As]150
- Temperature, water deg. centigrade135
- E. coli123
- Nitrogen, ammonia total [as N]119
- Total Petroleum Hydrocarbons - Gasoline113
- Cadmium, total [as Cd]107
- Mercury, total [as Hg]95
- Benzene, ethylbenzene, toluene, xylene combination91
- Naphthalene89
- Chrysene89
- Benzo[a]pyrene84
- Nickel, total [as Ni]84
- Benzo[a]anthracene82
- Fluoranthene78
- Benzo[b]fluoranthene77
- Pyrene73
- Phenanthrene73
- Indeno[1,2,3-cd]pyrene72
- Oxygen, dissolved [DO]71
- Solids, settleable71
- Benzo[k]fluoranthene70
- pH, minimum70
- Solids, suspended percent removal68
- Oil and grease, hexane extr method66
- 1-Methylnaphthalene65
- Benzo[ghi]perylene64
- Flow, in conduit or thru treatment plant61
- 2-Methylnaphthalene59
- Chloride [as Cl]58
- Fluorene56
- Nitrogen, Kjeldahl, total [as N]56
- Selenium, total [as Se]53
- Anthracene53
- Total Petroleum Hydrocarbons - Diesel and Waste Oil51
- Acenaphthene50
- Polychlorinated biphenyls [PCBs]49
- Acenaphthylene48
- Acetone48
- Silver, total [as Ag]47
- Dibenz[a,h]anthracene45
- Tetrachloroethylene45