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Sewage treatment plant, major discharger, Brighton, Colorado. NPDES permit CO0036757 expired Dec 31, 2024; its limits still apply. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | 30-day average | ≤ 30 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | maximum 7-day average | ≤ 45 mg/L | all year | 001 |
| pH | minimum | ≥ 6 SU | all year | 001 |
| pH | maximum | ≤ 9 SU | all year | 001 |
| Solids, total suspended | 30-day average | ≤ 30 mg/L | all year | 001 |
| Solids, total suspended | maximum 7-day average | ≤ 45 mg/L | all year | 001 |
| Cyanide, total [as CN] | daily maximum | report only (ug/L) | all year | 001 |
| Arsenic, total [as As] | daily maximum | report only (ug/L) | all year | 001 |
| Cadmium, total [as Cd] | daily maximum | report only (ug/L) | all year | 001 |
| Chromium, total [as Cr] | daily maximum | report only (ug/L) | all year | 001 |
| Copper, total [as Cu] | daily maximum | report only (ug/L) | all year | 001 |
| Lead, total [as Pb] | daily maximum | report only (ug/L) | all year | 001 |
| Molybdenum, total [as Mo] | daily maximum | report only (ug/L) | all year | 001 |
| Nickel, total [as Ni] | daily maximum | report only (ug/L) | all year | 001 |
| Silver, total [as Ag] | daily maximum | report only (ug/L) | all year | 001 |
| Zinc, total [as Zn] | daily maximum | report only (ug/L) | all year | 001 |
| Selenium, total [as Se] | daily maximum | report only (ug/L) | all year | 001 |
| Oil and grease | instantaneous maximum | ≤ 10 mg/L | all year | 001 |
| Total phenols | daily maximum | report only (ug/L) | all year | 001 |
| Flow, in conduit or thru treatment plant | 30-day average | report only (MGD) | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 001 |
| E. coli | 30-day geometric mean | ≤ 2000 #/100mL | all year | 001 |
| E. coli | maximum 7-day geometric mean | ≤ 4000 #/100mL | all year | 001 |
| Mercury, total [as Hg] | daily maximum | report only (ug/L) | all year | 001 |
| BOD, 5-day, percent removal | monthly average minimum | ≥ 85 % | all year | 001 |
| Solids, suspended percent removal | monthly average minimum | ≥ 85 % | all year | 001 |
| Oil and grease visual | instantaneous maximum | report only (abst=0;prst=1) | all year | 001 |
| Flow, in conduit or thru treatment plant | 30-day average | ≤ 4.2 MGD | all year | 002 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 002 |
| Flow, in conduit or thru treatment plant | 30-day average | ≤ 43.2 MGD | all year | 003 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 003 |
| Temperature, water deg. centigrade | maximum weekly average | report only (deg C) | all year | 004 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year | 004 |
| BOD, 5-day, 20 deg. C | 30-day average | ≤ 30 mg/L | all year | 004 |
| BOD, 5-day, 20 deg. C | maximum 7-day average | ≤ 45 mg/L | all year | 004 |
| pH | minimum | ≥ 6.5 SU | all year | 004 |
| pH | maximum | ≤ 9 SU | all year | 004 |
| Solids, total suspended | 30-day average | ≤ 30 mg/L | all year | 004 |
| Solids, total suspended | maximum 7-day average | ≤ 45 mg/L | all year | 004 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 3.6 mg/L | Apr | 004 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 17 mg/L | Feb | 004 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 16 mg/L | Jan | 004 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 2.8 mg/L | Jun | 004 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 10 mg/L | May | 004 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 4.1 mg/L | Aug | 004 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 3.9 mg/L | Jul | 004 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 14 mg/L | Dec | 004 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 13 mg/L | Mar | 004 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 5 mg/L | Oct | 004 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 7.8 mg/L | Sep | 004 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 13 mg/L | Nov | 004 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 8.8 mg/L | Apr | 004 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 20 mg/L | Feb | 004 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 19 mg/L | Jan | 004 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 8 mg/L | Jun | 004 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 28 mg/L | May | 004 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 12 mg/L | Aug | 004 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 12 mg/L | Jul | 004 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 20 mg/L | Dec | 004 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 16 mg/L | Mar | 004 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 10 mg/L | Oct | 004 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 25 mg/L | Sep | 004 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 18 mg/L | Nov | 004 |
| Nitrogen, inorganic total | daily maximum | ≤ 15 mg/L | all year | 004 |
| Nitrogen, inorganic total | daily maximum | ≤ 14 mg/L | all year | 004 |
| Nitrogen, inorganic total | annual median | report only (mg/L) | all year | 004 |
| Nitrogen, inorganic total | annual median | ≤ 15 mg/L | all year | 004 |
| Nitrogen, inorganic total | 95th percentile | report only (mg/L) | all year | 004 |
| Nitrogen, inorganic total | 95th percentile | ≤ 20 mg/L | all year | 004 |
| Phosphorus, total [as P] | annual median | report only (mg/L) | all year | 004 |
| Phosphorus, total [as P] | annual median | ≤ 1 mg/L | all year | 004 |
| Phosphorus, total [as P] | 95th percentile | report only (mg/L) | all year | 004 |
| Phosphorus, total [as P] | 95th percentile | ≤ 2.5 mg/L | all year | 004 |
| Cyanide, weak acid, dissociable | daily maximum | ≤ 5 ug/L | all year | 004 |
| Cyanide, total [as CN] | daily maximum | report only (ug/L) | all year | 004 |
| Chloride [as Cl] | 30-day average | ≤ 477 mg/L | all year | 004 |
| Arsenic, total recoverable | 30-day average | report only (ug/L) | all year | 004 |
| Iron, total recoverable | 30-day average | report only (ug/L) | all year | 004 |
| Iron, total recoverable | 30-day average | ≤ 1013 ug/L | all year | 004 |
| Beryllium, total recoverable [as Be] | 30-day average | report only (ug/L) | all year | 004 |
| Arsenic, total [as As] | daily maximum | report only (ug/L) | all year | 004 |
| Cadmium, total [as Cd] | daily maximum | report only (ug/L) | all year | 004 |
| Chromium, total [as Cr] | daily maximum | report only (ug/L) | all year | 004 |
| Copper, total [as Cu] | daily maximum | report only (ug/L) | all year | 004 |
| Iron, dissolved [as Fe] | 30-day average | report only (ug/L) | all year | 004 |
| Iron, dissolved [as Fe] | 30-day average | ≤ 865 ug/L | all year | 004 |
| Lead, total [as Pb] | daily maximum | report only (ug/L) | all year | 004 |
| Manganese, dissolved [as Mn] | 30-day average | ≤ 384 ug/L | all year | 004 |
| Molybdenum, total [as Mo] | daily maximum | report only (ug/L) | all year | 004 |
| Nickel, total [as Ni] | daily maximum | report only (ug/L) | all year | 004 |
| Silver, total [as Ag] | daily maximum | report only (ug/L) | all year | 004 |
| Zinc, total [as Zn] | daily maximum | report only (ug/L) | all year | 004 |
| Molybdenum, total recoverable | 30-day average | report only (ug/L) | all year | 004 |
| Selenium, total [as Se] | daily maximum | report only (ug/L) | all year | 004 |
| Chromium, hexavalent dissolved [as Cr] | 30-day average | report only (ug/L) | all year | 004 |
| Chromium, hexavalent dissolved [as Cr] | daily maximum | report only (ug/L) | all year | 004 |
| Manganese, potentially dissolvd | 30-day average | report only (ug/L) | all year | 004 |
| Manganese, potentially dissolvd | daily maximum | report only (ug/L) | all year | 004 |
| Oil and grease | instantaneous maximum | ≤ 10 mg/L | all year | 004 |
| Total phenols | daily maximum | report only (ug/L) | all year | 004 |
| Flow, in conduit or thru treatment plant | 30-day average | report only (MGD) | all year | 004 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 004 |
| Chlorine, total residual | 30-day average | ≤ .03 mg/L | all year | 004 |
| Chlorine, total residual | instantaneous maximum | ≤ .021 mg/L | all year | 004 |
| Mercury, total [low level] | 30-day maximum | report only (ug/L) | all year | 004 |
| E. coli | 30-day geometric mean | ≤ 205 #/100mL | all year | 004 |
| E. coli | maximum 7-day geometric mean | ≤ 410 #/100mL | all year | 004 |
| Sulfide-hydrogen sulfide [undissociated] | 30-day average | report only (mg/L) | all year | 004 |
| Nonylphenol | 30-day average | report only (ug/L) | all year | 004 |
| Nonylphenol | daily maximum | report only (ug/L) | all year | 004 |
| Mercury, total [as Hg] | daily maximum | report only (ug/L) | all year | 004 |
| BOD, 5-day, percent removal | monthly average minimum | ≥ 85 % | all year | 004 |
| Solids, suspended percent removal | monthly average minimum | ≥ 85 % | all year | 004 |
| Sulfate | 30-day average | report only (mg/L) | all year | 004 |
| Sulfate | 30-day average | ≤ 402 mg/L | all year | 004 |
| Boron, total | 30-day average | report only (mg/L) | all year | 004 |
| Oil and grease visual | instantaneous maximum | report only (abst=0;prst=1) | all year | 004 |
| Static Renewal 7 Day Chronic Ceriodaphnia dubia | single sample | report only (tox chronic) | all year | 004 |
| Static Renewal 7 Day Chronic Ceriodaphnia dubia | minimum value | report only (tox chronic) | all year | 004 |
| Static Renewal 7 Day Chronic Ceriodaphnia dubia | minimum value | ≥ 35 tox chronic | all year | 004 |
| Static Renewal 7 Day Chronic Pimephales promelas | single sample | report only (tox chronic) | all year | 004 |
| Static Renewal 7 Day Chronic Pimephales promelas | minimum value | report only (tox chronic) | all year | 004 |
| Static Renewal 7 Day Chronic Pimephales promelas | minimum value | ≥ 35 tox chronic | all year | 004 |
| BOD, 5-day, 20 deg. C | 30-day average | ≤ 30 mg/L | all year | 005 |
| BOD, 5-day, 20 deg. C | maximum 7-day average | ≤ 45 mg/L | all year | 005 |
| pH | minimum | ≥ 6 SU | all year | 005 |
| pH | maximum | ≤ 9 SU | all year | 005 |
| Solids, total suspended | 30-day average | ≤ 30 mg/L | all year | 005 |
| Solids, total suspended | maximum 7-day average | ≤ 45 mg/L | all year | 005 |
| Cyanide, total [as CN] | daily maximum | report only (ug/L) | all year | 005 |
| Arsenic, total [as As] | daily maximum | report only (ug/L) | all year | 005 |
| Cadmium, total [as Cd] | daily maximum | report only (ug/L) | all year | 005 |
| Chromium, total [as Cr] | daily maximum | report only (ug/L) | all year | 005 |
| Copper, total [as Cu] | daily maximum | report only (ug/L) | all year | 005 |
| Lead, total [as Pb] | daily maximum | report only (ug/L) | all year | 005 |
| Molybdenum, total [as Mo] | daily maximum | report only (ug/L) | all year | 005 |
| Nickel, total [as Ni] | daily maximum | report only (ug/L) | all year | 005 |
| Silver, total [as Ag] | daily maximum | report only (ug/L) | all year | 005 |
| Zinc, total [as Zn] | daily maximum | report only (ug/L) | all year | 005 |
| Selenium, total [as Se] | daily maximum | report only (ug/L) | all year | 005 |
| Oil and grease | instantaneous maximum | ≤ 10 mg/L | all year | 005 |
| Total phenols | daily maximum | report only (ug/L) | all year | 005 |
| Flow, in conduit or thru treatment plant | 30-day average | report only (MGD) | all year | 005 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 005 |
| E. coli | 30-day geometric mean | ≤ 2000 #/100mL | all year | 005 |
| E. coli | maximum 7-day geometric mean | ≤ 4000 #/100mL | all year | 005 |
| Mercury, total [as Hg] | daily maximum | report only (ug/L) | all year | 005 |
| BOD, 5-day, percent removal | monthly average minimum | ≥ 85 % | all year | 005 |
| Solids, suspended percent removal | monthly average minimum | ≥ 85 % | all year | 005 |
| Oil and grease visual | instantaneous maximum | report only (abst=0;prst=1) | all year | 005 |
| BOD, 5-day, 20 deg. C | 30-day average | ≤ 30 mg/L | all year | 006 |
| BOD, 5-day, 20 deg. C | maximum 7-day average | ≤ 45 mg/L | all year | 006 |
| pH | minimum | ≥ 6 SU | all year | 006 |
| pH | maximum | ≤ 9 SU | all year | 006 |
| Solids, total suspended | 30-day average | ≤ 30 mg/L | all year | 006 |
| Solids, total suspended | maximum 7-day average | ≤ 45 mg/L | all year | 006 |
| Cyanide, total [as CN] | daily maximum | report only (ug/L) | all year | 006 |
| Arsenic, total [as As] | daily maximum | report only (ug/L) | all year | 006 |
| Cadmium, total [as Cd] | daily maximum | report only (ug/L) | all year | 006 |
| Chromium, total [as Cr] | daily maximum | report only (ug/L) | all year | 006 |
| Copper, total [as Cu] | daily maximum | report only (ug/L) | all year | 006 |
| Lead, total [as Pb] | daily maximum | report only (ug/L) | all year | 006 |
| Molybdenum, total [as Mo] | daily maximum | report only (ug/L) | all year | 006 |
| Nickel, total [as Ni] | daily maximum | report only (ug/L) | all year | 006 |
| Silver, total [as Ag] | daily maximum | report only (ug/L) | all year | 006 |
| Zinc, total [as Zn] | daily maximum | report only (ug/L) | all year | 006 |
| Selenium, total [as Se] | daily maximum | report only (ug/L) | all year | 006 |
| Oil and grease | instantaneous maximum | ≤ 10 mg/L | all year | 006 |
| Total phenols | daily maximum | report only (ug/L) | all year | 006 |
| Flow, in conduit or thru treatment plant | 30-day average | report only (MGD) | all year | 006 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 006 |
| E. coli | 30-day geometric mean | ≤ 2000 #/100mL | all year | 006 |
| E. coli | maximum 7-day geometric mean | ≤ 4000 #/100mL | all year | 006 |
| Mercury, total [as Hg] | daily maximum | report only (ug/L) | all year | 006 |
| BOD, 5-day, percent removal | monthly average minimum | ≥ 85 % | all year | 006 |
| Solids, suspended percent removal | monthly average minimum | ≥ 85 % | all year | 006 |
| Oil and grease visual | instantaneous maximum | report only (abst=0;prst=1) | all year | 006 |
| Temperature, water deg. centigrade | maximum weekly average | report only (deg C) | all year | 007 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year | 007 |
| BOD, 5-day, 20 deg. C | 30-day average | ≤ 30 mg/L | all year | 007 |
| BOD, 5-day, 20 deg. C | maximum 7-day average | ≤ 45 mg/L | all year | 007 |
| pH | minimum | ≥ 6.5 SU | all year | 007 |
| pH | maximum | ≤ 9 SU | all year | 007 |
| Solids, total suspended | 30-day average | ≤ 30 mg/L | all year | 007 |
| Solids, total suspended | maximum 7-day average | ≤ 45 mg/L | all year | 007 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 16 mg/L | Jan | 007 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 5 mg/L | Oct | 007 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 13 mg/L | Nov | 007 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 14 mg/L | Dec | 007 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 17 mg/L | Feb | 007 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 13 mg/L | Mar | 007 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 3.6 mg/L | Apr | 007 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 10 mg/L | May | 007 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 2.8 mg/L | Jun | 007 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 3.9 mg/L | Jul | 007 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 4.1 mg/L | Aug | 007 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 7.8 mg/L | Sep | 007 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 19 mg/L | Jan | 007 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 10 mg/L | Oct | 007 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 18 mg/L | Nov | 007 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 20 mg/L | Dec | 007 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 20 mg/L | Feb | 007 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 16 mg/L | Mar | 007 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 8.8 mg/L | Apr | 007 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 28 mg/L | May | 007 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 8 mg/L | Jun | 007 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 12 mg/L | Jul | 007 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 12 mg/L | Aug | 007 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 25 mg/L | Sep | 007 |
| Nitrogen, inorganic total | daily maximum | ≤ 15 mg/L | all year | 007 |
| Nitrogen, inorganic total | daily maximum | ≤ 14 mg/L | all year | 007 |
| Nitrogen, inorganic total | annual median | report only (mg/L) | all year | 007 |
| Nitrogen, inorganic total | annual median | ≤ 15 mg/L | all year | 007 |
| Nitrogen, inorganic total | 95th percentile | report only (mg/L) | all year | 007 |
| Nitrogen, inorganic total | 95th percentile | ≤ 20 mg/L | all year | 007 |
| Phosphorus, total [as P] | annual median | report only (mg/L) | all year | 007 |
| Phosphorus, total [as P] | annual median | ≤ 1 mg/L | all year | 007 |
| Phosphorus, total [as P] | 95th percentile | report only (mg/L) | all year | 007 |
| Phosphorus, total [as P] | 95th percentile | ≤ 2.5 mg/L | all year | 007 |
| Cyanide, weak acid, dissociable | daily maximum | ≤ 5 ug/L | all year | 007 |
| Cyanide, total [as CN] | daily maximum | report only (ug/L) | all year | 007 |
| Chloride [as Cl] | 30-day average | ≤ 477 mg/L | all year | 007 |
| Arsenic, total recoverable | 30-day average | report only (ug/L) | all year | 007 |
| Iron, total recoverable | 30-day average | report only (ug/L) | all year | 007 |
| Iron, total recoverable | 30-day average | ≤ 1013 ug/L | all year | 007 |
| Beryllium, total recoverable [as Be] | 30-day average | report only (ug/L) | all year | 007 |
| Arsenic, total [as As] | daily maximum | report only (ug/L) | all year | 007 |
| Cadmium, total [as Cd] | daily maximum | report only (ug/L) | all year | 007 |
| Chromium, total [as Cr] | daily maximum | report only (ug/L) | all year | 007 |
| Copper, total [as Cu] | daily maximum | report only (ug/L) | all year | 007 |
| Iron, dissolved [as Fe] | 30-day average | report only (ug/L) | all year | 007 |
| Iron, dissolved [as Fe] | 30-day average | ≤ 865 ug/L | all year | 007 |
| Lead, total [as Pb] | daily maximum | report only (ug/L) | all year | 007 |
| Manganese, dissolved [as Mn] | 30-day average | ≤ 384 ug/L | all year | 007 |
| Molybdenum, total [as Mo] | daily maximum | report only (ug/L) | all year | 007 |
| Nickel, total [as Ni] | daily maximum | report only (ug/L) | all year | 007 |
| Silver, total [as Ag] | daily maximum | report only (ug/L) | all year | 007 |
| Zinc, total [as Zn] | daily maximum | report only (ug/L) | all year | 007 |
| Molybdenum, total recoverable | 30-day average | report only (ug/L) | all year | 007 |
| Selenium, total [as Se] | daily maximum | report only (ug/L) | all year | 007 |
| Chromium, hexavalent dissolved [as Cr] | 30-day average | report only (ug/L) | all year | 007 |
| Chromium, hexavalent dissolved [as Cr] | daily maximum | report only (ug/L) | all year | 007 |
| Manganese, potentially dissolvd | 30-day average | report only (ug/L) | all year | 007 |
| Manganese, potentially dissolvd | daily maximum | report only (ug/L) | all year | 007 |
| Oil and grease | instantaneous maximum | ≤ 10 mg/L | all year | 007 |
| Total phenols | daily maximum | report only (ug/L) | all year | 007 |
| Flow, in conduit or thru treatment plant | 30-day average | report only (MGD) | all year | 007 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 007 |
| Chlorine, total residual | 30-day average | ≤ .03 mg/L | all year | 007 |
| Chlorine, total residual | instantaneous maximum | ≤ .021 mg/L | all year | 007 |
| Mercury, total [low level] | 30-day average | report only (ug/L) | all year | 007 |
| E. coli | 30-day geometric mean | ≤ 205 #/100mL | all year | 007 |
| E. coli | maximum 7-day geometric mean | ≤ 410 #/100mL | all year | 007 |
| Sulfide-hydrogen sulfide [undissociated] | 30-day average | report only (mg/L) | all year | 007 |
| Nonylphenol | 30-day average | report only (ug/L) | all year | 007 |
| Nonylphenol | daily maximum | report only (ug/L) | all year | 007 |
| Mercury, total [as Hg] | daily maximum | report only (ug/L) | all year | 007 |
| BOD, 5-day, percent removal | monthly average minimum | ≥ 85 % | all year | 007 |
| Solids, suspended percent removal | monthly average minimum | ≥ 85 % | all year | 007 |
| Sulfate | 30-day average | report only (mg/L) | all year | 007 |
| Sulfate | 30-day average | ≤ 402 mg/L | all year | 007 |
| Boron, total | 30-day average | report only (mg/L) | all year | 007 |
| Oil and grease visual | instantaneous maximum | report only (abst=0;prst=1) | all year | 007 |
| Static Renewal 7 Day Chronic Ceriodaphnia dubia | single sample | report only (tox chronic) | all year | 007 |
| Static Renewal 7 Day Chronic Ceriodaphnia dubia | minimum value | report only (tox chronic) | all year | 007 |
| Static Renewal 7 Day Chronic Ceriodaphnia dubia | minimum value | ≥ 35 tox chronic | all year | 007 |
| Static Renewal 7 Day Chronic Pimephales promelas | single sample | report only (tox chronic) | all year | 007 |
| Static Renewal 7 Day Chronic Pimephales promelas | minimum value | report only (tox chronic) | all year | 007 |
| Static Renewal 7 Day Chronic Pimephales promelas | minimum value | ≥ 35 tox chronic | all year | 007 |
| Plant capacity fact. percent of capacity | 30-day average | report only (%) | all year | 300 |
| Plant capacity fact. percent of capacity | 30-day average | report only (%) | all year | 300 |
| BOD, 5-day, 20 deg. C | 30-day average | report only (mg/L) | all year | 300 |
| BOD, 5-day, 20 deg. C | maximum 7-day average | report only (mg/L) | all year | 300 |
| BOD, 5-day, 20 deg. C | 30-day average | report only (lb/d) | all year | 300 |
| BOD, 5-day, 20 deg. C | maximum 7-day average | report only (lb/d) | all year | 300 |
| Solids, total suspended | 30-day average | report only (mg/L) | all year | 300 |
| Solids, total suspended | maximum 7-day average | report only (mg/L) | all year | 300 |
| Cyanide, total [as CN] | daily maximum | report only (ug/L) | all year | 300 |
| Arsenic, total [as As] | daily maximum | report only (ug/L) | all year | 300 |
| Cadmium, total [as Cd] | daily maximum | report only (ug/L) | all year | 300 |
| Chromium, total [as Cr] | daily maximum | report only (ug/L) | all year | 300 |
| Copper, total [as Cu] | daily maximum | report only (ug/L) | all year | 300 |
| Lead, total [as Pb] | daily maximum | report only (ug/L) | all year | 300 |
| Molybdenum, total [as Mo] | daily maximum | report only (ug/L) | all year | 300 |
| Nickel, total [as Ni] | daily maximum | report only (ug/L) | all year | 300 |
| Silver, total [as Ag] | daily maximum | report only (ug/L) | all year | 300 |
| Zinc, total [as Zn] | daily maximum | report only (ug/L) | all year | 300 |
| Selenium, total [as Se] | daily maximum | report only (ug/L) | all year | 300 |
| Total phenols | daily maximum | report only (ug/L) | all year | 300 |
| Flow, in conduit or thru treatment plant | 30-day average | report only (MGD) | all year | 300 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 300 |
| Mercury, total [as Hg] | daily maximum | report only (ug/L) | all year | 300 |
| Temperature, water deg. centigrade | maximum weekly average | report only (deg C) | all year | UST1 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year | UST1 |
Cited limits by parameter: Colorado's rules and the federal ones.
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Your permit document is the final word. As JSON: /api/v1/permits/CO0036757 · MCP: https://passage-data.com/mcp