EPA · Colorado · discharge permits by parameter
Solids, settleable in Colorado
- 13Permits carrying a limit
- 2With a recorded exceedance
- 5,164Nationwide
Permits
Other parameters in Colorado
- Solids, total suspended2,128
- pH1,847
- Flow, in conduit or thru treatment plant1,770
- Oil and grease1,737
- Oil and grease visual1,718
- Chlorine, total residual709
- Selenium, potentially dissolvd659
- BOD, 5-day, 20 deg. C652
- Solids, total dissolved643
- Iron, total recoverable568
- BOD, 5-day, percent removal543
- Nitrogen, ammonia total [as N]528
- E. coli471
- Arsenic, total recoverable460
- Iron, dissolved [as Fe]400
- Manganese, dissolved [as Mn]393
- Solids, suspended percent removal383
- Flow, total364
- Iron, total [as Fe]323
- Copper, potentially dissolved308
- Plant capacity fact. percent of capacity298
- Zinc, potentially dissolved285
- Uranium, total279
- Lead, potentially dissolvd269
- Mercury, total [as Hg]264
- Cadmium, potentially dissolvd258
- Duration of discharge241
- Chloride [as Cl]230
- Silver, potentially dissolved228
- Nitrogen, inorganic total221
- Manganese, potentially dissolvd219
- Nickel, potentially dissolvd193
- Phosphorus, total [as P]192
- Lead, total recoverable191
- Coliform, fecal general184
- Chromium, hexavalent dissolved [as Cr]181
- Zinc, total [as Zn]169
- Chromium, trivalent total recoverable164
- Lead, total [as Pb]152
- Chromium, trivalent, potentially dissolvd152
- Benzene152
- Cadmium, total recoverable150
- Nickel, total recoverable149
- Arsenic, potentially dissolved148
- E. coli, thermotol, MF, MTEC147
- Toluene143
- Aluminum, total recoverable140
- Molybdenum, total recoverable139
- Ethylbenzene138
- Sulfate134
- Arsenic, total [as As]129
- Temperature, water deg. centigrade128
- Sulfide-hydrogen sulfide [undissociated]126
- Zinc, total recoverable124
- Xylene [mix of m+o+p]123
- Nitrogen, nitrite total [as N]122
- Nitrite + Nitrate total [as N]119
- Copper, total recoverable115
- Aluminum, total [as Al]110
- Uranium, potentially dissolvd108