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Bituminous Coal And Lignite - Surface, Moffat County, Colorado. NPDES permit CO0032115 expired Jul 31, 2025; its limits still apply. Last 12 months: over a limit once (last May 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| May 2026 | Solids, total suspended, 30-day average | 42 mg/L | ≤ 35 mg/L | 20% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| pH | minimum | ≥ 6.5 SU | all year | 001 |
| pH | maximum | ≤ 9 SU | all year | 001 |
| Solids, total suspended | 30-day average | ≤ 35 mg/L | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 001 |
| Arsenic, total recoverable | 30-day average | report only (ug/L) | all year | 001 |
| Iron, total recoverable | 30-day average | ≤ 3000 ug/L | all year | 001 |
| Iron, total recoverable | 30-day average | ≤ 1000 ug/L | all year | 001 |
| Iron, total recoverable | daily maximum | ≤ 6000 ug/L | all year | 001 |
| Iron, total recoverable | daily maximum | ≤ 6000 ug/L | all year | 001 |
| Beryllium, total recoverable [as Be] | 30-day arithmetic mean | report only (ug/L) | all year | 001 |
| Chromium, total recoverable | 30-day average | report only (ug/L) | all year | 001 |
| Chromium, total recoverable | daily maximum | report only (ug/L) | all year | 001 |
| Zinc, potentially dissolved | 30-day average | report only (ug/L) | all year | 001 |
| Zinc, potentially dissolved | daily maximum | report only (ug/L) | all year | 001 |
| Copper, potentially dissolved | 30-day average | report only (ug/L) | all year | 001 |
| Copper, potentially dissolved | daily maximum | report only (ug/L) | all year | 001 |
| Cadmium, potentially dissolvd | 30-day average | report only (ug/L) | all year | 001 |
| Cadmium, potentially dissolvd | daily maximum | report only (ug/L) | all year | 001 |
| Selenium, potentially dissolvd | 30-day average | report only (ug/L) | all year | 001 |
| Selenium, potentially dissolvd | daily maximum | report only (ug/L) | all year | 001 |
| Manganese, total recoverable | 30-day average | report only (ug/L) | all year | 001 |
| Flow, in conduit or thru treatment plant | 30-day average | ≤ 2.1 MGD | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 001 |
| Mercury, total [low level] | 30-day average | report only (ug/L) | all year | 001 |
| pH | minimum | ≥ 6.5 SU | all year | 002 |
| pH | maximum | ≤ 9 SU | all year | 002 |
| Solids, total suspended | 30-day average | ≤ 35 mg/L | all year | 002 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 002 |
| Arsenic, total recoverable | 30-day average | report only (ug/L) | all year | 002 |
| Iron, total recoverable | 30-day average | ≤ 3000 ug/L | all year | 002 |
| Iron, total recoverable | 30-day average | ≤ 1000 ug/L | all year | 002 |
| Iron, total recoverable | daily maximum | ≤ 6000 ug/L | all year | 002 |
| Iron, total recoverable | daily maximum | ≤ 6000 ug/L | all year | 002 |
| Beryllium, total recoverable [as Be] | 30-day arithmetic mean | report only (ug/L) | all year | 002 |
| Chromium, total recoverable | 30-day average | report only (ug/L) | all year | 002 |
| Chromium, total recoverable | daily maximum | report only (ug/L) | all year | 002 |
| Zinc, potentially dissolved | 30-day average | report only (ug/L) | all year | 002 |
| Zinc, potentially dissolved | daily maximum | report only (ug/L) | all year | 002 |
| Copper, potentially dissolved | 30-day average | report only (ug/L) | all year | 002 |
| Copper, potentially dissolved | daily maximum | report only (ug/L) | all year | 002 |
| Cadmium, potentially dissolvd | 30-day average | report only (ug/L) | all year | 002 |
| Cadmium, potentially dissolvd | daily maximum | report only (ug/L) | all year | 002 |
| Selenium, potentially dissolvd | 30-day average | report only (ug/L) | all year | 002 |
| Selenium, potentially dissolvd | daily maximum | report only (ug/L) | all year | 002 |
| Manganese, total recoverable | 30-day average | report only (ug/L) | all year | 002 |
| Flow, in conduit or thru treatment plant | 30-day average | ≤ 1 MGD | all year | 002 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 002 |
| Mercury, total [low level] | 30-day average | report only (ug/L) | all year | 002 |
| pH | minimum | ≥ 6.5 SU | all year | 005 |
| pH | maximum | ≤ 9 SU | all year | 005 |
| Solids, total suspended | 30-day average | ≤ 35 mg/L | all year | 005 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 005 |
| Chloride [as Cl] | 30-day average | report only (ug/L) | all year | 005 |
| Arsenic, total recoverable | 30-day average | report only (ug/L) | all year | 005 |
| Iron, total recoverable | 30-day average | ≤ 3000 ug/L | all year | 005 |
| Iron, total recoverable | 30-day average | ≤ 1000 ug/L | all year | 005 |
| Iron, total recoverable | daily maximum | ≤ 6000 ug/L | all year | 005 |
| Iron, total recoverable | daily maximum | ≤ 6000 ug/L | all year | 005 |
| Beryllium, total recoverable [as Be] | 30-day average | report only (ug/L) | all year | 005 |
| Manganese, dissolved [as Mn] | 30-day average | report only (ug/L) | all year | 005 |
| Cadmium, total recoverable | daily maximum | report only (ug/L) | all year | 005 |
| Zinc, potentially dissolved | 30-day average | report only (ug/L) | all year | 005 |
| Zinc, potentially dissolved | daily maximum | report only (ug/L) | all year | 005 |
| Copper, potentially dissolved | 30-day average | report only (ug/L) | all year | 005 |
| Copper, potentially dissolved | daily maximum | report only (ug/L) | all year | 005 |
| Cadmium, potentially dissolvd | 30-day average | report only (ug/L) | all year | 005 |
| Cadmium, potentially dissolvd | daily maximum | report only (ug/L) | all year | 005 |
| Manganese, potentially dissolvd | 30-day average | report only (ug/L) | all year | 005 |
| Manganese, potentially dissolvd | daily maximum | report only (ug/L) | all year | 005 |
| Selenium, potentially dissolvd | 30-day average | report only (ug/L) | all year | 005 |
| Selenium, potentially dissolvd | daily maximum | report only (ug/L) | all year | 005 |
| Oil and grease | instantaneous maximum | ≤ 10 mg/L | all year | 005 |
| Chromium, trivalent total recoverable | 30-day average | report only (ug/L) | all year | 005 |
| Chromium, trivalent total recoverable | daily maximum | report only (ug/L) | all year | 005 |
| Manganese, total recoverable | 30-day average | ≤ 351 ug/L | all year | 005 |
| Manganese, total recoverable | 30-day average | ≤ 200 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 | ≤ .2 MGD | all year | 005 |
| Mercury, total [low level] | 30-day average | report only (ug/L) | all year | 005 |
| Solids, total dissolved | 30-day average | report only (mg/L) | all year | 005 |
| Solids, total dissolved | 30-day average | ≤ 3500 mg/L | all year | 005 |
| Sulfate | 30-day average | report only (mg/L) | all year | 005 |
| Boron, total | 30-day average | report only (mg/L) | all year | 005 |
| Oil and grease visual | instantaneous maximum | report only (abst=0;prst=1) | all year | 005 |
| Static Renewal 7 Day Chronic Ceriodaphnia dubia | single sample | report only (tox chronic) | all year | 005 |
| Static Renewal 7 Day Chronic Ceriodaphnia dubia | minimum value | report only (tox chronic) | all year | 005 |
| Static Renewal 7 Day Chronic Ceriodaphnia dubia | minimum value | ≥ 100 tox chronic | all year | 005 |
| Static Renewal 7 Day Chronic Pimephales promelas | single sample | report only (tox chronic) | all year | 005 |
| Static Renewal 7 Day Chronic Pimephales promelas | minimum value | report only (tox chronic) | all year | 005 |
| Static Renewal 7 Day Chronic Pimephales promelas | minimum value | ≥ 100 tox chronic | all year | 005 |
| pH | minimum | ≥ 6.5 SU | all year | 009 |
| pH | maximum | ≤ 9 SU | all year | 009 |
| Solids, total suspended | 30-day average | ≤ 35 mg/L | all year | 009 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 009 |
| Arsenic, total recoverable | 30-day average | report only (ug/L) | all year | 009 |
| Iron, total recoverable | 30-day average | ≤ 3000 ug/L | all year | 009 |
| Iron, total recoverable | 30-day average | ≤ 1000 ug/L | all year | 009 |
| Iron, total recoverable | daily maximum | ≤ 6000 ug/L | all year | 009 |
| Iron, total recoverable | daily maximum | ≤ 6000 ug/L | all year | 009 |
| Beryllium, total recoverable [as Be] | 30-day average | report only (ug/L) | all year | 009 |
| Chromium, total recoverable | 30-day average | report only (ug/L) | all year | 009 |
| Chromium, total recoverable | daily maximum | report only (ug/L) | all year | 009 |
| Zinc, potentially dissolved | 30-day average | report only (ug/L) | all year | 009 |
| Zinc, potentially dissolved | daily maximum | report only (ug/L) | all year | 009 |
| Copper, potentially dissolved | 30-day average | report only (ug/L) | all year | 009 |
| Copper, potentially dissolved | daily maximum | report only (ug/L) | all year | 009 |
| Cadmium, potentially dissolvd | 30-day average | report only (ug/L) | all year | 009 |
| Cadmium, potentially dissolvd | daily maximum | report only (ug/L) | all year | 009 |
| Selenium, potentially dissolvd | 30-day average | report only (ug/L) | all year | 009 |
| Selenium, potentially dissolvd | 30-day average | ≤ 4.6 ug/L | all year | 009 |
| Selenium, potentially dissolvd | daily maximum | report only (ug/L) | all year | 009 |
| Selenium, potentially dissolvd | daily maximum | ≤ 18 ug/L | all year | 009 |
| Oil and grease | instantaneous maximum | ≤ 10 mg/L | all year | 009 |
| Manganese, total recoverable | 30-day average | report only (ug/L) | all year | 009 |
| Manganese, total recoverable | 30-day average | ≤ 200 ug/L | all year | 009 |
| Flow, in conduit or thru treatment plant | 30-day average | report only (MGD) | all year | 009 |
| Flow, in conduit or thru treatment plant | daily maximum | ≤ .2 MGD | all year | 009 |
| Mercury, total [low level] | 30-day average | report only (ug/L) | all year | 009 |
| Solids, total dissolved | 30-day average | report only (mg/L) | all year | 009 |
| Solids, total dissolved | 30-day average | ≤ 3500 mg/L | all year | 009 |
| Oil and grease visual | instantaneous maximum | report only (abst=0;prst=1) | all year | 009 |
| LC50 Static Renewal 48Hr Acute Ceriodaphnia dubia | minimum value | ≥ 100 % | all year | 009 |
| LC50 Static Renewal 96Hr Acute Pimephales promelas | minimum value | ≥ 100 % | all year | 009 |
| Discharge event observation [Visual Monitoring] | 30-day average | report only (#/mo) | all year | 009A |
| Discharge event observation [Visual Monitoring] | 30-day average | report only (fail=0;pass=1) | all year | 009A |
| pH | minimum | ≥ 6.5 SU | all year | 011 |
| pH | maximum | ≤ 9 SU | all year | 011 |
| Solids, total suspended | 30-day average | ≤ 35 mg/L | all year | 011 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 011 |
| Arsenic, total recoverable | 30-day average | report only (ug/L) | all year | 011 |
| Iron, total recoverable | 30-day average | ≤ 3000 ug/L | all year | 011 |
| Iron, total recoverable | 30-day average | ≤ 1000 ug/L | all year | 011 |
| Iron, total recoverable | daily maximum | ≤ 6000 ug/L | all year | 011 |
| Iron, total recoverable | daily maximum | ≤ 6000 ug/L | all year | 011 |
| Beryllium, total recoverable [as Be] | 30-day arithmetic mean | report only (ug/L) | all year | 011 |
| Chromium, total recoverable | 30-day average | report only (ug/L) | all year | 011 |
| Chromium, total recoverable | daily maximum | report only (ug/L) | all year | 011 |
| Zinc, potentially dissolved | 30-day average | report only (ug/L) | all year | 011 |
| Zinc, potentially dissolved | daily maximum | report only (ug/L) | all year | 011 |
| Copper, potentially dissolved | 30-day average | report only (ug/L) | all year | 011 |
| Copper, potentially dissolved | daily maximum | report only (ug/L) | all year | 011 |
| Cadmium, potentially dissolvd | 30-day average | report only (ug/L) | all year | 011 |
| Cadmium, potentially dissolvd | daily maximum | report only (ug/L) | all year | 011 |
| Selenium, potentially dissolvd | 30-day average | report only (ug/L) | all year | 011 |
| Selenium, potentially dissolvd | daily maximum | report only (ug/L) | all year | 011 |
| Manganese, total recoverable | 30-day average | report only (ug/L) | all year | 011 |
| Flow, in conduit or thru treatment plant | 30-day average | ≤ 2.5 MGD | all year | 011 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 011 |
| Mercury, total [low level] | 30-day average | report only (ug/L) | all year | 011 |
| pH | minimum | ≥ 6.5 SU | all year | 013 |
| pH | maximum | ≤ 9 SU | all year | 013 |
| Solids, total suspended | 30-day average | ≤ 35 mg/L | all year | 013 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 013 |
| Arsenic, total recoverable | 30-day average | report only (ug/L) | all year | 013 |
| Iron, total recoverable | 30-day average | ≤ 3000 ug/L | all year | 013 |
| Iron, total recoverable | 30-day average | ≤ 1000 ug/L | all year | 013 |
| Iron, total recoverable | daily maximum | ≤ 6000 ug/L | all year | 013 |
| Iron, total recoverable | daily maximum | ≤ 6000 ug/L | all year | 013 |
| Beryllium, total recoverable [as Be] | 30-day arithmetic mean | report only (ug/L) | all year | 013 |
| Chromium, total recoverable | 30-day average | report only (ug/L) | all year | 013 |
| Chromium, total recoverable | daily maximum | report only (ug/L) | all year | 013 |
| Zinc, potentially dissolved | 30-day average | report only (ug/L) | all year | 013 |
| Zinc, potentially dissolved | daily maximum | report only (ug/L) | all year | 013 |
| Copper, potentially dissolved | 30-day average | report only (ug/L) | all year | 013 |
| Copper, potentially dissolved | daily maximum | report only (ug/L) | all year | 013 |
| Cadmium, potentially dissolvd | 30-day average | report only (ug/L) | all year | 013 |
| Cadmium, potentially dissolvd | daily maximum | report only (ug/L) | all year | 013 |
| Selenium, potentially dissolvd | 30-day average | report only (ug/L) | all year | 013 |
| Selenium, potentially dissolvd | daily maximum | report only (ug/L) | all year | 013 |
| Manganese, total recoverable | 30-day average | report only (ug/L) | all year | 013 |
| Flow, in conduit or thru treatment plant | 30-day average | report only (MGD) | all year | 013 |
| Flow, in conduit or thru treatment plant | 30-day average | ≤ .066 MGD | all year | 013 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 013 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 013 |
| Mercury, total [low level] | 30-day average | report only (ug/L) | all year | 013 |
| pH | minimum | ≥ 6.5 SU | all year | 017 |
| pH | maximum | ≤ 9 SU | all year | 017 |
| Solids, total suspended | 30-day average | ≤ 35 mg/L | all year | 017 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 017 |
| Arsenic, total recoverable | 30-day average | report only (ug/L) | all year | 017 |
| Iron, total recoverable | 30-day average | ≤ 3000 ug/L | all year | 017 |
| Iron, total recoverable | 30-day average | ≤ 1000 ug/L | all year | 017 |
| Iron, total recoverable | daily maximum | ≤ 6000 ug/L | all year | 017 |
| Iron, total recoverable | daily maximum | ≤ 6000 ug/L | all year | 017 |
| Beryllium, total recoverable [as Be] | 30-day arithmetic mean | report only (ug/L) | all year | 017 |
| Chromium, total recoverable | 30-day average | report only (ug/L) | all year | 017 |
| Chromium, total recoverable | daily maximum | report only (ug/L) | all year | 017 |
| Zinc, potentially dissolved | 30-day average | report only (ug/L) | all year | 017 |
| Zinc, potentially dissolved | daily maximum | report only (ug/L) | all year | 017 |
| Copper, potentially dissolved | 30-day average | report only (ug/L) | all year | 017 |
| Copper, potentially dissolved | daily maximum | report only (ug/L) | all year | 017 |
| Cadmium, potentially dissolvd | 30-day average | report only (ug/L) | all year | 017 |
| Cadmium, potentially dissolvd | daily maximum | report only (ug/L) | all year | 017 |
| Selenium, potentially dissolvd | 30-day average | report only (ug/L) | all year | 017 |
| Selenium, potentially dissolvd | daily maximum | report only (ug/L) | all year | 017 |
| Manganese, total recoverable | 30-day average | report only (ug/L) | all year | 017 |
| Flow, in conduit or thru treatment plant | 30-day average | ≤ 1 MGD | all year | 017 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 017 |
| Mercury, total [low level] | 30-day average | report only (ug/L) | all year | 017 |
| pH | minimum | ≥ 6.5 SU | all year | 018 |
| pH | maximum | ≤ 9 SU | all year | 018 |
| Solids, total suspended | 30-day average | ≤ 35 mg/L | all year | 018 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 018 |
| Arsenic, total recoverable | 30-day average | report only (ug/L) | all year | 018 |
| Iron, total recoverable | 30-day average | ≤ 3000 ug/L | all year | 018 |
| Iron, total recoverable | 30-day average | ≤ 1000 ug/L | all year | 018 |
| Iron, total recoverable | daily maximum | ≤ 6000 ug/L | all year | 018 |
| Iron, total recoverable | daily maximum | ≤ 6000 ug/L | all year | 018 |
| Beryllium, total recoverable [as Be] | 30-day arithmetic mean | report only (ug/L) | all year | 018 |
| Chromium, total recoverable | 30-day average | report only (ug/L) | all year | 018 |
| Chromium, total recoverable | daily maximum | report only (ug/L) | all year | 018 |
| Zinc, potentially dissolved | 30-day average | report only (ug/L) | all year | 018 |
| Zinc, potentially dissolved | daily maximum | report only (ug/L) | all year | 018 |
| Copper, potentially dissolved | 30-day average | report only (ug/L) | all year | 018 |
| Copper, potentially dissolved | daily maximum | report only (ug/L) | all year | 018 |
| Cadmium, potentially dissolvd | 30-day average | report only (ug/L) | all year | 018 |
| Cadmium, potentially dissolvd | daily maximum | report only (ug/L) | all year | 018 |
| Selenium, potentially dissolvd | 30-day average | report only (ug/L) | all year | 018 |
| Selenium, potentially dissolvd | daily maximum | report only (ug/L) | all year | 018 |
| Manganese, total recoverable | 30-day average | report only (ug/L) | all year | 018 |
| Flow, in conduit or thru treatment plant | 30-day average | ≤ .22 MGD | all year | 018 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 018 |
| Mercury, total [low level] | 30-day average | report only (ug/L) | all year | 018 |
| pH | minimum | ≥ 6.5 SU | all year | 019 |
| pH | maximum | ≤ 9 SU | all year | 019 |
| Solids, total suspended | 30-day average | ≤ 35 mg/L | all year | 019 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 019 |
| Arsenic, total recoverable | 30-day average | report only (ug/L) | all year | 019 |
| Iron, total recoverable | 30-day average | ≤ 3000 ug/L | all year | 019 |
| Iron, total recoverable | 30-day average | ≤ 1000 ug/L | all year | 019 |
| Iron, total recoverable | daily maximum | ≤ 6000 ug/L | all year | 019 |
| Iron, total recoverable | daily maximum | ≤ 6000 ug/L | all year | 019 |
| Beryllium, total recoverable [as Be] | 30-day arithmetic mean | report only (ug/L) | all year | 019 |
| Chromium, total recoverable | 30-day average | report only (ug/L) | all year | 019 |
| Chromium, total recoverable | daily maximum | report only (ug/L) | all year | 019 |
| Zinc, potentially dissolved | 30-day average | report only (ug/L) | all year | 019 |
| Zinc, potentially dissolved | daily maximum | report only (ug/L) | all year | 019 |
| Copper, potentially dissolved | 30-day average | report only (ug/L) | all year | 019 |
| Copper, potentially dissolved | daily maximum | report only (ug/L) | all year | 019 |
| Cadmium, potentially dissolvd | 30-day average | report only (ug/L) | all year | 019 |
| Cadmium, potentially dissolvd | daily maximum | report only (ug/L) | all year | 019 |
| Selenium, potentially dissolvd | 30-day average | report only (ug/L) | all year | 019 |
| Selenium, potentially dissolvd | daily maximum | report only (ug/L) | all year | 019 |
| Manganese, total recoverable | 30-day average | report only (ug/L) | all year | 019 |
| Flow, in conduit or thru treatment plant | 30-day average | report only (MGD) | all year | 019 |
| Flow, in conduit or thru treatment plant | 30-day average | ≤ .05 MGD | all year | 019 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 019 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 019 |
| Mercury, total [low level] | 30-day average | report only (ug/L) | all year | 019 |
| pH | minimum | ≥ 6.5 SU | all year | 020 |
| pH | maximum | ≤ 9 SU | all year | 020 |
| Solids, total suspended | 30-day average | ≤ 35 mg/L | all year | 020 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 020 |
| Arsenic, total recoverable | 30-day average | report only (ug/L) | all year | 020 |
| Iron, total recoverable | 30-day average | ≤ 3000 ug/L | all year | 020 |
| Iron, total recoverable | 30-day average | ≤ 1000 ug/L | all year | 020 |
| Iron, total recoverable | daily maximum | ≤ 6000 ug/L | all year | 020 |
| Iron, total recoverable | daily maximum | ≤ 6000 ug/L | all year | 020 |
| Beryllium, total recoverable [as Be] | 30-day arithmetic mean | report only (ug/L) | all year | 020 |
| Chromium, total recoverable | 30-day average | report only (ug/L) | all year | 020 |
| Chromium, total recoverable | daily maximum | report only (ug/L) | all year | 020 |
| Zinc, potentially dissolved | 30-day average | report only (ug/L) | all year | 020 |
| Zinc, potentially dissolved | daily maximum | report only (ug/L) | all year | 020 |
| Copper, potentially dissolved | 30-day average | report only (ug/L) | all year | 020 |
| Copper, potentially dissolved | daily maximum | report only (ug/L) | all year | 020 |
| Cadmium, potentially dissolvd | 30-day average | report only (ug/L) | all year | 020 |
| Cadmium, potentially dissolvd | daily maximum | report only (ug/L) | all year | 020 |
| Selenium, potentially dissolvd | 30-day average | report only (ug/L) | all year | 020 |
| Selenium, potentially dissolvd | daily maximum | report only (ug/L) | all year | 020 |
| Manganese, total recoverable | 30-day average | report only (ug/L) | all year | 020 |
| Flow, in conduit or thru treatment plant | 30-day average | ≤ 2.16 MGD | all year | 020 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 020 |
| Mercury, total [low level] | 30-day average | report only (ug/L) | all year | 020 |
| pH | minimum | ≥ 6.5 SU | all year | 021 |
| pH | maximum | ≤ 9 SU | all year | 021 |
| Solids, total suspended | 30-day average | ≤ 35 mg/L | all year | 021 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 021 |
| Arsenic, total recoverable | 30-day average | report only (ug/L) | all year | 021 |
| Iron, total recoverable | 30-day average | ≤ 3000 ug/L | all year | 021 |
| Iron, total recoverable | 30-day average | ≤ 1000 ug/L | all year | 021 |
| Iron, total recoverable | daily maximum | ≤ 6000 ug/L | all year | 021 |
| Iron, total recoverable | daily maximum | ≤ 6000 ug/L | all year | 021 |
| Beryllium, total recoverable [as Be] | 30-day arithmetic mean | report only (ug/L) | all year | 021 |
| Chromium, total recoverable | 30-day average | report only (ug/L) | all year | 021 |
| Chromium, total recoverable | daily maximum | report only (ug/L) | all year | 021 |
| Zinc, potentially dissolved | 30-day average | report only (ug/L) | all year | 021 |
| Zinc, potentially dissolved | daily maximum | report only (ug/L) | all year | 021 |
| Copper, potentially dissolved | 30-day average | report only (ug/L) | all year | 021 |
| Copper, potentially dissolved | daily maximum | report only (ug/L) | all year | 021 |
| Cadmium, potentially dissolvd | 30-day average | report only (ug/L) | all year | 021 |
| Cadmium, potentially dissolvd | daily maximum | report only (ug/L) | all year | 021 |
| Selenium, potentially dissolvd | 30-day average | report only (ug/L) | all year | 021 |
| Selenium, potentially dissolvd | daily maximum | report only (ug/L) | all year | 021 |
| Manganese, total recoverable | 30-day average | report only (ug/L) | all year | 021 |
| Flow, in conduit or thru treatment plant | 30-day average | ≤ 2.16 MGD | all year | 021 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 021 |
| Mercury, total [low level] | 30-day average | report only (ug/L) | all year | 021 |
| pH | minimum | ≥ 6.5 SU | all year | 022 |
| pH | maximum | ≤ 9 SU | all year | 022 |
| Solids, total suspended | 30-day average | ≤ 35 mg/L | all year | 022 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 022 |
| Arsenic, total recoverable | 30-day average | report only (ug/L) | all year | 022 |
| Iron, total recoverable | 30-day average | ≤ 3000 ug/L | all year | 022 |
| Iron, total recoverable | 30-day average | ≤ 1000 ug/L | all year | 022 |
| Iron, total recoverable | daily maximum | ≤ 6000 ug/L | all year | 022 |
| Iron, total recoverable | daily maximum | ≤ 6000 ug/L | all year | 022 |
| Beryllium, total recoverable [as Be] | 30-day arithmetic mean | report only (ug/L) | all year | 022 |
| Chromium, total recoverable | 30-day average | report only (ug/L) | all year | 022 |
| Chromium, total recoverable | daily maximum | report only (ug/L) | all year | 022 |
| Zinc, potentially dissolved | 30-day average | report only (ug/L) | all year | 022 |
| Zinc, potentially dissolved | daily maximum | report only (ug/L) | all year | 022 |
| Copper, potentially dissolved | 30-day average | report only (ug/L) | all year | 022 |
| Copper, potentially dissolved | daily maximum | report only (ug/L) | all year | 022 |
| Cadmium, potentially dissolvd | 30-day average | report only (ug/L) | all year | 022 |
| Cadmium, potentially dissolvd | daily maximum | report only (ug/L) | all year | 022 |
| Selenium, potentially dissolvd | 30-day average | report only (ug/L) | all year | 022 |
| Selenium, potentially dissolvd | daily maximum | report only (ug/L) | all year | 022 |
| Manganese, total recoverable | 30-day average | report only (ug/L) | all year | 022 |
| Flow, in conduit or thru treatment plant | 30-day average | ≤ .05 MGD | all year | 022 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 022 |
| Mercury, total [low level] | 30-day average | report only (ug/L) | all year | 022 |
| pH | minimum | ≥ 6.5 SU | all year | 023 |
| pH | maximum | ≤ 9 SU | all year | 023 |
| Solids, total suspended | 30-day average | ≤ 35 mg/L | all year | 023 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 023 |
| Arsenic, total recoverable | 30-day average | report only (ug/L) | all year | 023 |
| Iron, total recoverable | 30-day average | ≤ 3000 ug/L | all year | 023 |
| Iron, total recoverable | 30-day average | ≤ 1000 ug/L | all year | 023 |
| Iron, total recoverable | daily maximum | ≤ 6000 ug/L | all year | 023 |
| Iron, total recoverable | daily maximum | ≤ 6000 ug/L | all year | 023 |
| Beryllium, total recoverable [as Be] | 30-day average | report only (ug/L) | all year | 023 |
| Chromium, total recoverable | 30-day average | report only (ug/L) | all year | 023 |
| Chromium, total recoverable | daily maximum | report only (ug/L) | all year | 023 |
| Zinc, potentially dissolved | 30-day average | report only (ug/L) | all year | 023 |
| Zinc, potentially dissolved | daily maximum | report only (ug/L) | all year | 023 |
| Copper, potentially dissolved | 30-day average | report only (ug/L) | all year | 023 |
| Copper, potentially dissolved | daily maximum | report only (ug/L) | all year | 023 |
| Cadmium, potentially dissolvd | 30-day average | report only (ug/L) | all year | 023 |
| Cadmium, potentially dissolvd | daily maximum | report only (ug/L) | all year | 023 |
| Selenium, potentially dissolvd | 30-day average | report only (ug/L) | all year | 023 |
| Selenium, potentially dissolvd | 30-day average | ≤ 4.6 ug/L | all year | 023 |
| Selenium, potentially dissolvd | daily maximum | report only (ug/L) | all year | 023 |
| Selenium, potentially dissolvd | daily maximum | ≤ 18 ug/L | all year | 023 |
| Oil and grease | instantaneous maximum | ≤ 10 mg/L | all year | 023 |
| Manganese, total recoverable | 30-day average | report only (ug/L) | all year | 023 |
| Manganese, total recoverable | 30-day average | ≤ 200 ug/L | all year | 023 |
| Flow, in conduit or thru treatment plant | 30-day average | report only (MGD) | all year | 023 |
| Flow, in conduit or thru treatment plant | daily maximum | ≤ .2 MGD | all year | 023 |
| Mercury, total [low level] | 30-day average | report only (ug/L) | all year | 023 |
| Solids, total dissolved | 30-day average | report only (mg/L) | all year | 023 |
| Solids, total dissolved | 30-day average | ≤ 3500 mg/L | all year | 023 |
| Oil and grease visual | instantaneous maximum | report only (abst=0;prst=1) | all year | 023 |
| LC50 Static Renewal 48Hr Acute Ceriodaphnia dubia | minimum value | ≥ 100 % | all year | 023 |
| LC50 Static Renewal 96Hr Acute Pimephales promelas | minimum value | ≥ 100 % | all year | 023 |
| Discharge event observation [Visual Monitoring] | 30-day average | report only (#/mo) | all year | 023A |
| Discharge event observation [Visual Monitoring] | 30-day average | report only (fail=0;pass=1) | all year | 023A |
| pH | minimum | ≥ 6.5 SU | all year | 025 |
| pH | maximum | ≤ 9 SU | all year | 025 |
| Solids, total suspended | 30-day average | ≤ 35 mg/L | all year | 025 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 025 |
| Arsenic, total recoverable | 30-day average | report only (ug/L) | all year | 025 |
| Iron, total recoverable | 30-day average | ≤ 1000 ug/L | all year | 025 |
| Iron, total recoverable | daily maximum | ≤ 6000 ug/L | all year | 025 |
| Beryllium, total recoverable [as Be] | 30-day average | report only (ug/L) | all year | 025 |
| Chromium, total recoverable | 30-day average | report only (ug/L) | all year | 025 |
| Chromium, total recoverable | daily maximum | report only (ug/L) | all year | 025 |
| Zinc, potentially dissolved | 30-day average | report only (ug/L) | all year | 025 |
| Zinc, potentially dissolved | daily maximum | report only (ug/L) | all year | 025 |
| Copper, potentially dissolved | 30-day average | report only (ug/L) | all year | 025 |
| Copper, potentially dissolved | daily maximum | report only (ug/L) | all year | 025 |
| Cadmium, potentially dissolvd | 30-day average | report only (ug/L) | all year | 025 |
| Cadmium, potentially dissolvd | daily maximum | report only (ug/L) | all year | 025 |
| Selenium, potentially dissolvd | 30-day average | ≤ 4.6 ug/L | all year | 025 |
| Selenium, potentially dissolvd | daily maximum | ≤ 18 ug/L | all year | 025 |
| Oil and grease | instantaneous maximum | ≤ 10 mg/L | all year | 025 |
| Manganese, total recoverable | 30-day average | ≤ 200 ug/L | all year | 025 |
| Flow, in conduit or thru treatment plant | 30-day average | report only (MGD) | all year | 025 |
| Flow, in conduit or thru treatment plant | daily maximum | ≤ .2 MGD | all year | 025 |
| Mercury, total [low level] | 30-day average | report only (ug/L) | all year | 025 |
| Solids, total dissolved | 30-day average | ≤ 3500 mg/L | all year | 025 |
| Oil and grease visual | instantaneous maximum | report only (abst=0;prst=1) | all year | 025 |
| pH | minimum | ≥ 6.5 SU | all year | 026 |
| pH | maximum | ≤ 9 SU | all year | 026 |
| Solids, total suspended | 30-day average | ≤ 35 mg/L | all year | 026 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 026 |
| Arsenic, total recoverable | 30-day average | report only (ug/L) | all year | 026 |
| Iron, total recoverable | 30-day average | ≤ 1000 ug/L | all year | 026 |
| Iron, total recoverable | daily maximum | ≤ 6000 ug/L | all year | 026 |
| Beryllium, total recoverable [as Be] | 30-day average | report only (ug/L) | all year | 026 |
| Chromium, total recoverable | 30-day average | report only (ug/L) | all year | 026 |
| Chromium, total recoverable | daily maximum | report only (ug/L) | all year | 026 |
| Zinc, potentially dissolved | 30-day average | report only (ug/L) | all year | 026 |
| Zinc, potentially dissolved | daily maximum | report only (ug/L) | all year | 026 |
| Copper, potentially dissolved | 30-day average | report only (ug/L) | all year | 026 |
| Copper, potentially dissolved | daily maximum | report only (ug/L) | all year | 026 |
| Cadmium, potentially dissolvd | 30-day average | report only (ug/L) | all year | 026 |
| Cadmium, potentially dissolvd | daily maximum | report only (ug/L) | all year | 026 |
| Selenium, potentially dissolvd | 30-day average | report only (ug/L) | all year | 026 |
| Selenium, potentially dissolvd | daily maximum | report only (ug/L) | all year | 026 |
| Manganese, total recoverable | 30-day average | report only (ug/L) | all year | 026 |
| Flow, in conduit or thru treatment plant | 30-day average | ≤ .05 MGD | all year | 026 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 026 |
| Mercury, total [low level] | 30-day average | report only (ug/L) | all year | 026 |
| pH | minimum | ≥ 6.5 SU | all year | 027 |
| pH | maximum | ≤ 9 SU | all year | 027 |
| Solids, total suspended | 30-day average | ≤ 35 mg/L | all year | 027 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 027 |
| Arsenic, total recoverable | 30-day average | report only (ug/L) | all year | 027 |
| Iron, total recoverable | 30-day average | ≤ 1000 ug/L | all year | 027 |
| Iron, total recoverable | daily maximum | ≤ 6000 ug/L | all year | 027 |
| Beryllium, total recoverable [as Be] | 30-day average | report only (ug/L) | all year | 027 |
| Chromium, total recoverable | 30-day average | report only (ug/L) | all year | 027 |
| Chromium, total recoverable | daily maximum | report only (ug/L) | all year | 027 |
| Zinc, potentially dissolved | 30-day average | report only (ug/L) | all year | 027 |
| Zinc, potentially dissolved | daily maximum | report only (ug/L) | all year | 027 |
| Copper, potentially dissolved | 30-day average | report only (ug/L) | all year | 027 |
| Copper, potentially dissolved | daily maximum | report only (ug/L) | all year | 027 |
| Cadmium, potentially dissolvd | 30-day average | report only (ug/L) | all year | 027 |
| Cadmium, potentially dissolvd | daily maximum | report only (ug/L) | all year | 027 |
| Selenium, potentially dissolvd | 30-day average | report only (ug/L) | all year | 027 |
| Selenium, potentially dissolvd | daily maximum | report only (ug/L) | all year | 027 |
| Manganese, total recoverable | 30-day average | report only (ug/L) | all year | 027 |
| Flow, in conduit or thru treatment plant | 30-day average | ≤ .05 MGD | all year | 027 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 027 |
| Mercury, total [low level] | 30-day average | report only (ug/L) | all year | 027 |
Cited limits by parameter: Colorado's rules and the federal ones.
Same industry: the 19 Coal Mining permits in Colorado.
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Your permit document is the final word. As JSON: /api/v1/permits/CO0032115 · MCP: https://passage-data.com/mcp