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Crude Petroleum And Natural Gas, Las Animas County, Colorado. NPDES permit CO0048003 expired Jun 30, 2020; its limits still apply. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Conductivity | 30-day average | ≤ 1.6 dS/m | all year | 005 |
| Conductivity | daily maximum | report only (dS/m) | all year | 005 |
| pH | minimum | ≥ 6.5 SU | all year | 005 |
| pH | maximum | ≤ 9 SU | all year | 005 |
| Bicarbonate ion- [as HCO3] | 30-day average | report only (mg/L) | all year | 005 |
| Bicarbonate ion- [as HCO3] | daily maximum | report only (mg/L) | 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 |
| Calcium, total recoverable | 30-day average | report only (mg/L) | all year | 005 |
| Calcium, total recoverable | daily maximum | report only (mg/L) | all year | 005 |
| Magnesium, total recoverable | 30-day average | report only (mg/L) | all year | 005 |
| Magnesium, total recoverable | daily maximum | report only (mg/L) | all year | 005 |
| Sodium, total recoverable | 30-day average | report only (mg/L) | all year | 005 |
| Sodium, total recoverable | daily maximum | report only (mg/L) | all year | 005 |
| Chloride [as Cl] | 30-day average | report only (mg/L) | all year | 005 |
| Chloride [as Cl] | rolling average | ≤ 72 mg/L | all year | 005 |
| Arsenic, total recoverable | 30-day average | report only (ug/L) | all year | 005 |
| Arsenic, total recoverable | rolling average | report only (ug/L) | all year | 005 |
| Iron, total recoverable | 30-day average | report only (ug/L) | all year | 005 |
| Iron, total recoverable | 30-day average | ≤ 1000 ug/L | all year | 005 |
| Iron, total recoverable | daily maximum | ≤ 5000 ug/L | all year | 005 |
| Iron, total recoverable | rolling average | report only (ug/L) | all year | 005 |
| Iron, total recoverable | rolling average | ≤ 920 ug/L | all year | 005 |
| Chromium, total recoverable | 30-day average | report only (ug/L) | all year | 005 |
| Chromium, total recoverable | daily maximum | report only (ug/L) | all year | 005 |
| Molybdenum, total recoverable | 30-day average | report only (ug/L) | all year | 005 |
| Molybdenum, total recoverable | rolling average | 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 |
| Zinc, potentially dissolved | rolling average | 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 |
| Copper, potentially dissolved | rolling average | 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 |
| Cadmium, potentially dissolvd | rolling average | report only (ug/L) | all year | 005 |
| Lead, potentially dissolvd | 30-day average | report only (ug/L) | all year | 005 |
| Lead, potentially dissolvd | daily maximum | report only (ug/L) | all year | 005 |
| Lead, potentially dissolvd | rolling average | 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 |
| Manganese, potentially dissolvd | rolling average | report only (ug/L) | all year | 005 |
| Nickel, potentially dissolvd | 30-day average | report only (ug/L) | all year | 005 |
| Nickel, potentially dissolvd | daily maximum | report only (ug/L) | all year | 005 |
| Nickel, potentially dissolvd | rolling average | 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 |
| Selenium, potentially dissolvd | rolling average | 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 |
| Chromium, trivalent total recoverable | rolling average | report only (ug/L) | all year | 005 |
| Flow, in conduit or thru treatment plant | 30-day average | ≤ .254 MGD | all year | 005 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 005 |
| Mercury, total [low level] | 30-day average | report only (mg/L) | all year | 005 |
| Mercury, total [low level] | rolling average | report only (mg/L) | all year | 005 |
| Sulfide-hydrogen sulfide [undissociated] | 30-day maximum | report only (mg/L) | all year | 005 |
| Sulfide-hydrogen sulfide [undissociated] | rolling average | report only (mg/L) | all year | 005 |
| Sodium Absorption Ratio | 30-day average | ≤ 50.6 Ratio | all year | 005 |
| Sodium Absorption Ratio | daily maximum | report only (Ratio) | all year | 005 |
| Toxicity [chronic], Ceriodaphnia dubia | single sample | report only (tox chronic) | Dec | 005 |
| Toxicity [chronic], Ceriodaphnia dubia | single sample | report only (tox chronic) | Dec | 005 |
| Toxicity [chronic], Ceriodaphnia dubia | single sample | report only (tox chronic) | Dec | 005 |
| Toxicity [chronic], Ceriodaphnia dubia | single sample | report only (tox chronic) | Dec | 005 |
| Toxicity [chronic], Ceriodaphnia dubia | single sample | report only (tox chronic) | Dec | 005 |
| Toxicity [chronic], Ceriodaphnia dubia | single sample | report only (tox chronic) | Dec | 005 |
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | single sample | report only (tox chronic) | Dec | 005 |
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | single sample | report only (tox chronic) | Dec | 005 |
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | single sample | report only (tox chronic) | Dec | 005 |
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | single sample | report only (tox chronic) | Dec | 005 |
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | single sample | report only (tox chronic) | Dec | 005 |
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | single sample | report only (tox chronic) | Dec | 005 |
| Solids, total dissolved | 30-day average | report only (mg/L) | all year | 005 |
| Solids, total dissolved | daily maximum | ≤ 3500 mg/L | all year | 005 |
| Oil and grease visual | instantaneous maximum | report only (abst=0;prst=1) | all year | 005 |
| %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | single sample | report only (%) | Dec | 005 |
| %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | single sample | report only (%) | Dec | 005 |
| %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | single sample | report only (%) | Dec | 005 |
| %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | minimum value | report only (%) | Dec | 005 |
| %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | minimum value | report only (%) | Dec | 005 |
| %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | minimum value | report only (%) | Dec | 005 |
| %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | minimum value | ≥ 100 % | Dec | 005 |
| %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | minimum value | ≥ 100 % | Dec | 005 |
| %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | minimum value | ≥ 100 % | Dec | 005 |
| %Effect Static Renewal 7Day Chronic Pimephales promelas | single sample | report only (%) | Dec | 005 |
| %Effect Static Renewal 7Day Chronic Pimephales promelas | single sample | report only (%) | Dec | 005 |
| %Effect Static Renewal 7Day Chronic Pimephales promelas | single sample | report only (%) | Dec | 005 |
| %Effect Static Renewal 7Day Chronic Pimephales promelas | minimum value | report only (%) | Dec | 005 |
| %Effect Static Renewal 7Day Chronic Pimephales promelas | minimum value | report only (%) | Dec | 005 |
| %Effect Static Renewal 7Day Chronic Pimephales promelas | minimum value | report only (%) | Dec | 005 |
| %Effect Static Renewal 7Day Chronic Pimephales promelas | minimum value | ≥ 100 % | Dec | 005 |
| %Effect Static Renewal 7Day Chronic Pimephales promelas | minimum value | ≥ 100 % | Dec | 005 |
| %Effect Static Renewal 7Day Chronic Pimephales promelas | minimum value | ≥ 100 % | Dec | 005 |
| Static Renewal 7 Day Chronic Ceriodaphnia dubia | single sample | report only (tox chronic) | 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 | single sample | report only (tox chronic) | 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 | single sample | report only (tox chronic) | 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 | 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 | 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 | 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 Ceriodaphnia dubia | minimum value | ≥ 100 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 Ceriodaphnia dubia | minimum value | ≥ 100 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 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 | single sample | report only (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 | single sample | report only (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 | 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 | 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 | 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 | report only (tox chronic) | all year | 005 |
| Static Renewal 7 Day Chronic Pimephales promelas | minimum value | ≥ 100 tox chronic | all year | 005 |
| Static Renewal 7 Day Chronic Pimephales promelas | minimum value | ≥ 100 tox chronic | all year | 005 |
| Static Renewal 7 Day Chronic Pimephales promelas | minimum value | ≥ 100 tox chronic | all year | 005 |
| Static Renewal 7 Day Chronic Pimephales promelas | minimum value | ≥ 100 tox chronic | all year | 005 |
| Static Renewal 7 Day Chronic Pimephales promelas | minimum value | ≥ 100 tox chronic | all year | 005 |
| Static Renewal 7 Day Chronic Pimephales promelas | minimum value | ≥ 100 tox chronic | all year | 005 |
| Conductivity | 30-day average | ≤ 1.7 dS/m | all year | 241 |
| Conductivity | daily maximum | report only (dS/m) | all year | 241 |
| pH | minimum | ≥ 6.5 SU | all year | 241 |
| pH | maximum | ≤ 9 SU | all year | 241 |
| Bicarbonate ion- [as HCO3] | 30-day average | report only (mg/L) | all year | 241 |
| Bicarbonate ion- [as HCO3] | daily maximum | report only (mg/L) | all year | 241 |
| Solids, total suspended | 30-day average | ≤ 30 mg/L | all year | 241 |
| Solids, total suspended | maximum 7-day average | ≤ 45 mg/L | all year | 241 |
| Calcium, total recoverable | 30-day average | report only (mg/L) | all year | 241 |
| Calcium, total recoverable | daily maximum | report only (mg/L) | all year | 241 |
| Magnesium, total recoverable | 30-day average | report only (mg/L) | all year | 241 |
| Magnesium, total recoverable | daily maximum | report only (mg/L) | all year | 241 |
| Sodium, total recoverable | 30-day average | report only (mg/L) | all year | 241 |
| Sodium, total recoverable | daily maximum | report only (mg/L) | all year | 241 |
| Chloride [as Cl] | 30-day average | report only (mg/L) | all year | 241 |
| Chloride [as Cl] | rolling average | report only (mg/L) | all year | 241 |
| Arsenic, total recoverable | 30-day average | report only (ug/L) | all year | 241 |
| Arsenic, total recoverable | rolling average | report only (ug/L) | all year | 241 |
| Iron, total recoverable | 30-day average | ≤ 1000 ug/L | all year | 241 |
| Iron, total recoverable | rolling average | report only (ug/L) | all year | 241 |
| Chromium, total recoverable | 30-day average | report only (ug/L) | all year | 241 |
| Chromium, total recoverable | daily maximum | report only (ug/L) | all year | 241 |
| Molybdenum, total recoverable | 30-day average | report only (ug/L) | all year | 241 |
| Molybdenum, total recoverable | rolling average | report only (ug/L) | all year | 241 |
| Zinc, potentially dissolved | 30-day average | report only (ug/L) | all year | 241 |
| Zinc, potentially dissolved | daily maximum | report only (ug/L) | all year | 241 |
| Zinc, potentially dissolved | rolling average | report only (ug/L) | all year | 241 |
| Copper, potentially dissolved | 30-day average | report only (ug/L) | all year | 241 |
| Copper, potentially dissolved | daily maximum | report only (ug/L) | all year | 241 |
| Copper, potentially dissolved | rolling average | report only (ug/L) | all year | 241 |
| Cadmium, potentially dissolvd | 30-day average | report only (ug/L) | all year | 241 |
| Cadmium, potentially dissolvd | daily maximum | report only (ug/L) | all year | 241 |
| Cadmium, potentially dissolvd | rolling average | report only (ug/L) | all year | 241 |
| Lead, potentially dissolvd | 30-day average | report only (ug/L) | all year | 241 |
| Lead, potentially dissolvd | daily maximum | report only (ug/L) | all year | 241 |
| Lead, potentially dissolvd | rolling average | report only (ug/L) | all year | 241 |
| Manganese, potentially dissolvd | 30-day average | report only (ug/L) | all year | 241 |
| Manganese, potentially dissolvd | daily maximum | report only (ug/L) | all year | 241 |
| Manganese, potentially dissolvd | rolling average | report only (ug/L) | all year | 241 |
| Nickel, potentially dissolvd | 30-day average | report only (ug/L) | all year | 241 |
| Nickel, potentially dissolvd | daily maximum | report only (ug/L) | all year | 241 |
| Nickel, potentially dissolvd | rolling average | report only (ug/L) | all year | 241 |
| Selenium, potentially dissolvd | 30-day average | report only (ug/L) | all year | 241 |
| Selenium, potentially dissolvd | daily maximum | report only (ug/L) | all year | 241 |
| Selenium, potentially dissolvd | rolling average | report only (ug/L) | all year | 241 |
| Oil and grease | instantaneous maximum | ≤ 10 mg/L | all year | 241 |
| Chromium, trivalent total recoverable | 30-day average | report only (ug/L) | all year | 241 |
| Chromium, trivalent total recoverable | daily maximum | report only (ug/L) | all year | 241 |
| Chromium, trivalent total recoverable | rolling average | report only (ug/L) | all year | 241 |
| Radium 226 + radium 228, total | 30-day average | report only (pCi/L) | all year | 241 |
| Radium 226 + radium 228, total | rolling average | report only (pCi/L) | all year | 241 |
| Flow, in conduit or thru treatment plant | 30-day average | ≤ .026 MGD | all year | 241 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 241 |
| Mercury, total [low level] | 30-day average | report only (mg/L) | all year | 241 |
| Mercury, total [low level] | rolling average | report only (mg/L) | all year | 241 |
| Sulfide-hydrogen sulfide [undissociated] | 30-day average | report only (mg/L) | all year | 241 |
| Sulfide-hydrogen sulfide [undissociated] | rolling average | report only (mg/L) | all year | 241 |
| Sodium Absorption Ratio | 30-day average | ≤ 44.3 Ratio | all year | 241 |
| Sodium Absorption Ratio | daily maximum | report only (Ratio) | all year | 241 |
| Toxicity [chronic], Ceriodaphnia dubia | single sample | report only (tox chronic) | Dec | 241 |
| Toxicity [chronic], Ceriodaphnia dubia | single sample | report only (tox chronic) | Dec | 241 |
| Toxicity [chronic], Ceriodaphnia dubia | single sample | report only (tox chronic) | Dec | 241 |
| Toxicity [chronic], Ceriodaphnia dubia | single sample | report only (tox chronic) | Dec | 241 |
| Toxicity [chronic], Ceriodaphnia dubia | single sample | report only (tox chronic) | Dec | 241 |
| Toxicity [chronic], Ceriodaphnia dubia | single sample | report only (tox chronic) | Dec | 241 |
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | single sample | report only (tox chronic) | Dec | 241 |
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | single sample | report only (tox chronic) | Dec | 241 |
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | single sample | report only (tox chronic) | Dec | 241 |
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | single sample | report only (tox chronic) | Dec | 241 |
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | single sample | report only (tox chronic) | Dec | 241 |
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | single sample | report only (tox chronic) | Dec | 241 |
| Solids, total dissolved | 30-day average | report only (mg/L) | all year | 241 |
| Solids, total dissolved | daily maximum | ≤ 3500 mg/L | all year | 241 |
| Oil and grease visual | instantaneous maximum | report only (abst=0;prst=1) | all year | 241 |
| %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | single sample | report only (%) | Dec | 241 |
| %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | single sample | report only (%) | Dec | 241 |
| %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | single sample | report only (%) | Dec | 241 |
| %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | minimum value | report only (%) | Dec | 241 |
| %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | minimum value | report only (%) | Dec | 241 |
| %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | minimum value | report only (%) | Dec | 241 |
| %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | minimum value | ≥ 100 % | Dec | 241 |
| %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | minimum value | ≥ 100 % | Dec | 241 |
| %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | minimum value | ≥ 100 % | Dec | 241 |
| %Effect Static Renewal 7Day Chronic Pimephales promelas | single sample | report only (%) | Dec | 241 |
| %Effect Static Renewal 7Day Chronic Pimephales promelas | single sample | report only (%) | Dec | 241 |
| %Effect Static Renewal 7Day Chronic Pimephales promelas | single sample | report only (%) | Dec | 241 |
| %Effect Static Renewal 7Day Chronic Pimephales promelas | minimum value | report only (%) | Dec | 241 |
| %Effect Static Renewal 7Day Chronic Pimephales promelas | minimum value | report only (%) | Dec | 241 |
| %Effect Static Renewal 7Day Chronic Pimephales promelas | minimum value | report only (%) | Dec | 241 |
| %Effect Static Renewal 7Day Chronic Pimephales promelas | minimum value | ≥ 100 % | Dec | 241 |
| %Effect Static Renewal 7Day Chronic Pimephales promelas | minimum value | ≥ 100 % | Dec | 241 |
| %Effect Static Renewal 7Day Chronic Pimephales promelas | minimum value | ≥ 100 % | Dec | 241 |
| Static Renewal 7 Day Chronic Ceriodaphnia dubia | single sample | report only (tox chronic) | all year | 241 |
| Static Renewal 7 Day Chronic Ceriodaphnia dubia | single sample | report only (tox chronic) | all year | 241 |
| Static Renewal 7 Day Chronic Ceriodaphnia dubia | single sample | report only (tox chronic) | all year | 241 |
| Static Renewal 7 Day Chronic Ceriodaphnia dubia | single sample | report only (tox chronic) | all year | 241 |
| Static Renewal 7 Day Chronic Ceriodaphnia dubia | single sample | report only (tox chronic) | all year | 241 |
| Static Renewal 7 Day Chronic Ceriodaphnia dubia | single sample | report only (tox chronic) | all year | 241 |
| Static Renewal 7 Day Chronic Ceriodaphnia dubia | minimum value | report only (tox chronic) | all year | 241 |
| Static Renewal 7 Day Chronic Ceriodaphnia dubia | minimum value | report only (tox chronic) | all year | 241 |
| Static Renewal 7 Day Chronic Ceriodaphnia dubia | minimum value | report only (tox chronic) | all year | 241 |
| Static Renewal 7 Day Chronic Ceriodaphnia dubia | minimum value | report only (tox chronic) | all year | 241 |
| Static Renewal 7 Day Chronic Ceriodaphnia dubia | minimum value | report only (tox chronic) | all year | 241 |
| Static Renewal 7 Day Chronic Ceriodaphnia dubia | minimum value | report only (tox chronic) | all year | 241 |
| Static Renewal 7 Day Chronic Ceriodaphnia dubia | minimum value | ≥ 100 tox chronic | all year | 241 |
| Static Renewal 7 Day Chronic Ceriodaphnia dubia | minimum value | ≥ 100 tox chronic | all year | 241 |
| Static Renewal 7 Day Chronic Ceriodaphnia dubia | minimum value | ≥ 100 tox chronic | all year | 241 |
| Static Renewal 7 Day Chronic Ceriodaphnia dubia | minimum value | ≥ 100 tox chronic | all year | 241 |
| Static Renewal 7 Day Chronic Ceriodaphnia dubia | minimum value | ≥ 100 tox chronic | all year | 241 |
| Static Renewal 7 Day Chronic Ceriodaphnia dubia | minimum value | ≥ 100 tox chronic | all year | 241 |
| Static Renewal 7 Day Chronic Pimephales promelas | single sample | report only (tox chronic) | all year | 241 |
| Static Renewal 7 Day Chronic Pimephales promelas | single sample | report only (tox chronic) | all year | 241 |
| Static Renewal 7 Day Chronic Pimephales promelas | single sample | report only (tox chronic) | all year | 241 |
| Static Renewal 7 Day Chronic Pimephales promelas | single sample | report only (tox chronic) | all year | 241 |
| Static Renewal 7 Day Chronic Pimephales promelas | single sample | report only (tox chronic) | all year | 241 |
| Static Renewal 7 Day Chronic Pimephales promelas | single sample | report only (tox chronic) | all year | 241 |
| Static Renewal 7 Day Chronic Pimephales promelas | minimum value | report only (tox chronic) | all year | 241 |
| Static Renewal 7 Day Chronic Pimephales promelas | minimum value | report only (tox chronic) | all year | 241 |
| Static Renewal 7 Day Chronic Pimephales promelas | minimum value | report only (tox chronic) | all year | 241 |
| Static Renewal 7 Day Chronic Pimephales promelas | minimum value | report only (tox chronic) | all year | 241 |
| Static Renewal 7 Day Chronic Pimephales promelas | minimum value | report only (tox chronic) | all year | 241 |
| Static Renewal 7 Day Chronic Pimephales promelas | minimum value | report only (tox chronic) | all year | 241 |
| Static Renewal 7 Day Chronic Pimephales promelas | minimum value | ≥ 100 tox chronic | all year | 241 |
| Static Renewal 7 Day Chronic Pimephales promelas | minimum value | ≥ 100 tox chronic | all year | 241 |
| Static Renewal 7 Day Chronic Pimephales promelas | minimum value | ≥ 100 tox chronic | all year | 241 |
| Static Renewal 7 Day Chronic Pimephales promelas | minimum value | ≥ 100 tox chronic | all year | 241 |
| Static Renewal 7 Day Chronic Pimephales promelas | minimum value | ≥ 100 tox chronic | all year | 241 |
| Static Renewal 7 Day Chronic Pimephales promelas | minimum value | ≥ 100 tox chronic | all year | 241 |
| Conductivity | 30-day average | ≤ 1.7 dS/m | all year | 245 |
| Conductivity | daily maximum | report only (dS/m) | all year | 245 |
| pH | minimum | ≥ 6.5 SU | all year | 245 |
| pH | maximum | ≤ 9 SU | all year | 245 |
| Bicarbonate ion- [as HCO3] | 30-day average | report only (mg/L) | all year | 245 |
| Bicarbonate ion- [as HCO3] | daily maximum | report only (mg/L) | all year | 245 |
| Solids, total suspended | 30-day average | ≤ 30 mg/L | all year | 245 |
| Solids, total suspended | maximum 7-day average | ≤ 45 mg/L | all year | 245 |
| Calcium, total recoverable | 30-day average | report only (mg/L) | all year | 245 |
| Calcium, total recoverable | daily maximum | report only (mg/L) | all year | 245 |
| Magnesium, total recoverable | 30-day average | report only (mg/L) | all year | 245 |
| Magnesium, total recoverable | daily maximum | report only (mg/L) | all year | 245 |
| Sodium, total recoverable | 30-day average | report only (mg/L) | all year | 245 |
| Sodium, total recoverable | daily maximum | report only (mg/L) | all year | 245 |
| Chloride [as Cl] | 30-day average | report only (mg/L) | all year | 245 |
| Chloride [as Cl] | rolling average | report only (mg/L) | all year | 245 |
| Arsenic, total recoverable | 30-day average | report only (ug/L) | all year | 245 |
| Arsenic, total recoverable | rolling average | report only (ug/L) | all year | 245 |
| Iron, total recoverable | 30-day average | report only (ug/L) | all year | 245 |
| Iron, total recoverable | 30-day average | ≤ 1000 ug/L | all year | 245 |
| Iron, total recoverable | daily maximum | ≤ 5000 ug/L | all year | 245 |
| Iron, total recoverable | rolling average | report only (ug/L) | all year | 245 |
| Iron, total recoverable | rolling average | ≤ 690 ug/L | all year | 245 |
| Chromium, total recoverable | 30-day average | report only (ug/L) | all year | 245 |
| Chromium, total recoverable | daily maximum | report only (ug/L) | all year | 245 |
| Molybdenum, total recoverable | 30-day average | report only (ug/L) | all year | 245 |
| Molybdenum, total recoverable | rolling average | report only (ug/L) | all year | 245 |
| Zinc, potentially dissolved | 30-day average | report only (ug/L) | all year | 245 |
| Zinc, potentially dissolved | daily maximum | report only (ug/L) | all year | 245 |
| Zinc, potentially dissolved | rolling average | report only (ug/L) | all year | 245 |
| Copper, potentially dissolved | 30-day average | report only (ug/L) | all year | 245 |
| Copper, potentially dissolved | daily maximum | report only (ug/L) | all year | 245 |
| Copper, potentially dissolved | rolling average | report only (ug/L) | all year | 245 |
| Cadmium, potentially dissolvd | 30-day average | report only (ug/L) | all year | 245 |
| Cadmium, potentially dissolvd | daily maximum | report only (ug/L) | all year | 245 |
| Cadmium, potentially dissolvd | rolling average | report only (ug/L) | all year | 245 |
| Lead, potentially dissolvd | 30-day average | report only (ug/L) | all year | 245 |
| Lead, potentially dissolvd | daily maximum | report only (ug/L) | all year | 245 |
| Lead, potentially dissolvd | rolling average | report only (ug/L) | all year | 245 |
| Manganese, potentially dissolvd | 30-day average | report only (ug/L) | all year | 245 |
| Manganese, potentially dissolvd | daily maximum | report only (ug/L) | all year | 245 |
| Manganese, potentially dissolvd | rolling average | report only (ug/L) | all year | 245 |
| Nickel, potentially dissolvd | 30-day average | report only (ug/L) | all year | 245 |
| Nickel, potentially dissolvd | daily maximum | report only (ug/L) | all year | 245 |
| Nickel, potentially dissolvd | rolling average | report only (ug/L) | all year | 245 |
| Selenium, potentially dissolvd | 30-day average | report only (ug/L) | all year | 245 |
| Selenium, potentially dissolvd | daily maximum | report only (ug/L) | all year | 245 |
| Selenium, potentially dissolvd | rolling average | report only (ug/L) | all year | 245 |
| Oil and grease | instantaneous maximum | ≤ 10 mg/L | all year | 245 |
| Chromium, trivalent total recoverable | 30-day average | report only (ug/L) | all year | 245 |
| Chromium, trivalent total recoverable | daily maximum | report only (ug/L) | all year | 245 |
| Chromium, trivalent total recoverable | rolling average | report only (ug/L) | all year | 245 |
| Radium 226 + radium 228, total | 30-day average | report only (pCi/L) | all year | 245 |
| Radium 226 + radium 228, total | rolling average | report only (pCi/L) | all year | 245 |
| Flow, in conduit or thru treatment plant | 30-day average | ≤ .181 MGD | all year | 245 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 245 |
| Mercury, total [low level] | 30-day average | report only (mg/L) | all year | 245 |
| Mercury, total [low level] | rolling average | report only (mg/L) | all year | 245 |
| Sulfide-hydrogen sulfide [undissociated] | 30-day average | report only (mg/L) | all year | 245 |
| Sulfide-hydrogen sulfide [undissociated] | rolling average | report only (mg/L) | all year | 245 |
| Sodium Absorption Ratio | 30-day average | ≤ 53.1 Ratio | all year | 245 |
| Sodium Absorption Ratio | 30-day average | ≤ 51.7 Ratio | all year | 245 |
| Sodium Absorption Ratio | daily maximum | report only (Ratio) | all year | 245 |
| Sodium Absorption Ratio | daily maximum | report only (Ratio) | all year | 245 |
| Toxicity [chronic], Ceriodaphnia dubia | single sample | report only (tox chronic) | Dec | 245 |
| Toxicity [chronic], Ceriodaphnia dubia | single sample | report only (tox chronic) | Dec | 245 |
| Toxicity [chronic], Ceriodaphnia dubia | single sample | report only (tox chronic) | Dec | 245 |
| Toxicity [chronic], Ceriodaphnia dubia | single sample | report only (tox chronic) | Dec | 245 |
| Toxicity [chronic], Ceriodaphnia dubia | single sample | report only (tox chronic) | Dec | 245 |
| Toxicity [chronic], Ceriodaphnia dubia | single sample | report only (tox chronic) | Dec | 245 |
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | single sample | report only (tox chronic) | Dec | 245 |
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | single sample | report only (tox chronic) | Dec | 245 |
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | single sample | report only (tox chronic) | Dec | 245 |
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | single sample | report only (tox chronic) | Dec | 245 |
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | single sample | report only (tox chronic) | Dec | 245 |
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | single sample | report only (tox chronic) | Dec | 245 |
| Solids, total dissolved | 30-day average | report only (mg/L) | all year | 245 |
| Solids, total dissolved | daily maximum | ≤ 3500 mg/L | all year | 245 |
| Oil and grease visual | instantaneous maximum | report only (abst=0;prst=1) | all year | 245 |
| %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | single sample | report only (%) | Dec | 245 |
| %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | single sample | report only (%) | Dec | 245 |
| %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | single sample | report only (%) | Dec | 245 |
| %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | minimum value | report only (%) | Dec | 245 |
| %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | minimum value | report only (%) | Dec | 245 |
| %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | minimum value | report only (%) | Dec | 245 |
| %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | minimum value | ≥ 100 % | Dec | 245 |
| %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | minimum value | ≥ 100 % | Dec | 245 |
| %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | minimum value | ≥ 100 % | Dec | 245 |
| %Effect Static Renewal 7Day Chronic Pimephales promelas | single sample | report only (%) | Dec | 245 |
| %Effect Static Renewal 7Day Chronic Pimephales promelas | single sample | report only (%) | Dec | 245 |
| %Effect Static Renewal 7Day Chronic Pimephales promelas | single sample | report only (%) | Dec | 245 |
| %Effect Static Renewal 7Day Chronic Pimephales promelas | minimum value | report only (%) | Dec | 245 |
| %Effect Static Renewal 7Day Chronic Pimephales promelas | minimum value | report only (%) | Dec | 245 |
| %Effect Static Renewal 7Day Chronic Pimephales promelas | minimum value | report only (%) | Dec | 245 |
| %Effect Static Renewal 7Day Chronic Pimephales promelas | minimum value | ≥ 100 % | Dec | 245 |
| %Effect Static Renewal 7Day Chronic Pimephales promelas | minimum value | ≥ 100 % | Dec | 245 |
| %Effect Static Renewal 7Day Chronic Pimephales promelas | minimum value | ≥ 100 % | Dec | 245 |
| Static Renewal 7 Day Chronic Ceriodaphnia dubia | single sample | report only (tox chronic) | all year | 245 |
| Static Renewal 7 Day Chronic Ceriodaphnia dubia | single sample | report only (tox chronic) | all year | 245 |
| Static Renewal 7 Day Chronic Ceriodaphnia dubia | single sample | report only (tox chronic) | all year | 245 |
| Static Renewal 7 Day Chronic Ceriodaphnia dubia | single sample | report only (tox chronic) | all year | 245 |
| Static Renewal 7 Day Chronic Ceriodaphnia dubia | single sample | report only (tox chronic) | all year | 245 |
| Static Renewal 7 Day Chronic Ceriodaphnia dubia | single sample | report only (tox chronic) | all year | 245 |
| Static Renewal 7 Day Chronic Ceriodaphnia dubia | minimum value | report only (tox chronic) | all year | 245 |
| Static Renewal 7 Day Chronic Ceriodaphnia dubia | minimum value | report only (tox chronic) | all year | 245 |
| Static Renewal 7 Day Chronic Ceriodaphnia dubia | minimum value | report only (tox chronic) | all year | 245 |
| Static Renewal 7 Day Chronic Ceriodaphnia dubia | minimum value | report only (tox chronic) | all year | 245 |
| Static Renewal 7 Day Chronic Ceriodaphnia dubia | minimum value | report only (tox chronic) | all year | 245 |
| Static Renewal 7 Day Chronic Ceriodaphnia dubia | minimum value | report only (tox chronic) | all year | 245 |
| Static Renewal 7 Day Chronic Ceriodaphnia dubia | minimum value | report only (tox chronic) | all year | 245 |
| Static Renewal 7 Day Chronic Ceriodaphnia dubia | minimum value | report only (tox chronic) | all year | 245 |
| Static Renewal 7 Day Chronic Ceriodaphnia dubia | minimum value | report only (tox chronic) | all year | 245 |
| Static Renewal 7 Day Chronic Ceriodaphnia dubia | minimum value | ≥ 100 tox chronic | all year | 245 |
| Static Renewal 7 Day Chronic Ceriodaphnia dubia | minimum value | ≥ 100 tox chronic | all year | 245 |
| Static Renewal 7 Day Chronic Ceriodaphnia dubia | minimum value | ≥ 100 tox chronic | all year | 245 |
| Static Renewal 7 Day Chronic Pimephales promelas | single sample | report only (tox chronic) | all year | 245 |
| Static Renewal 7 Day Chronic Pimephales promelas | single sample | report only (tox chronic) | all year | 245 |
| Static Renewal 7 Day Chronic Pimephales promelas | single sample | report only (tox chronic) | all year | 245 |
| Static Renewal 7 Day Chronic Pimephales promelas | single sample | report only (tox chronic) | all year | 245 |
| Static Renewal 7 Day Chronic Pimephales promelas | single sample | report only (tox chronic) | all year | 245 |
| Static Renewal 7 Day Chronic Pimephales promelas | single sample | report only (tox chronic) | all year | 245 |
| Static Renewal 7 Day Chronic Pimephales promelas | minimum value | report only (tox chronic) | all year | 245 |
| Static Renewal 7 Day Chronic Pimephales promelas | minimum value | report only (tox chronic) | all year | 245 |
| Static Renewal 7 Day Chronic Pimephales promelas | minimum value | report only (tox chronic) | all year | 245 |
| Static Renewal 7 Day Chronic Pimephales promelas | minimum value | report only (tox chronic) | all year | 245 |
| Static Renewal 7 Day Chronic Pimephales promelas | minimum value | report only (tox chronic) | all year | 245 |
| Static Renewal 7 Day Chronic Pimephales promelas | minimum value | report only (tox chronic) | all year | 245 |
| Static Renewal 7 Day Chronic Pimephales promelas | minimum value | report only (tox chronic) | all year | 245 |
| Static Renewal 7 Day Chronic Pimephales promelas | minimum value | report only (tox chronic) | all year | 245 |
| Static Renewal 7 Day Chronic Pimephales promelas | minimum value | report only (tox chronic) | all year | 245 |
| Static Renewal 7 Day Chronic Pimephales promelas | minimum value | ≥ 100 tox chronic | all year | 245 |
| Static Renewal 7 Day Chronic Pimephales promelas | minimum value | ≥ 100 tox chronic | all year | 245 |
| Static Renewal 7 Day Chronic Pimephales promelas | minimum value | ≥ 100 tox chronic | all year | 245 |
| Conductivity | 30-day average | ≤ 1.3 dS/m (alert, not enforceable) | all year | PR16 |
| Conductivity | daily maximum | report only (dS/m) (alert, not enforceable) | all year | PR16 |
| Bicarbonate ion- [as HCO3] | 30-day average | report only (mg/L) (alert, not enforceable) | all year | PR16 |
| Bicarbonate ion- [as HCO3] | daily maximum | report only (mg/L) (alert, not enforceable) | all year | PR16 |
| Calcium, total recoverable | 30-day average | report only (mg/L) (alert, not enforceable) | all year | PR16 |
| Calcium, total recoverable | daily maximum | report only (mg/L) (alert, not enforceable) | all year | PR16 |
| Magnesium, total recoverable | 30-day average | report only (mg/L) (alert, not enforceable) | all year | PR16 |
| Magnesium, total recoverable | daily maximum | report only (mg/L) (alert, not enforceable) | all year | PR16 |
| Sodium, total recoverable | 30-day average | report only (mg/L) (alert, not enforceable) | all year | PR16 |
| Sodium, total recoverable | daily maximum | report only (mg/L) (alert, not enforceable) | all year | PR16 |
| Sodium Absorption Ratio | 30-day average | ≤ 6.8 Ratio (alert, not enforceable) | all year | PR16 |
| Sodium Absorption Ratio | daily maximum | report only (Ratio) (alert, not enforceable) | all year | PR16 |
| Conductivity | 30-day average | ≤ 1.3 dS/m (alert, not enforceable) | all year | PR24 |
| Conductivity | daily maximum | report only (dS/m) (alert, not enforceable) | all year | PR24 |
| Bicarbonate ion- [as HCO3] | 30-day average | report only (mg/L) (alert, not enforceable) | all year | PR24 |
| Bicarbonate ion- [as HCO3] | daily maximum | report only (mg/L) (alert, not enforceable) | all year | PR24 |
| Calcium, total recoverable | 30-day average | report only (mg/L) (alert, not enforceable) | all year | PR24 |
| Calcium, total recoverable | daily maximum | report only (mg/L) (alert, not enforceable) | all year | PR24 |
| Magnesium, total recoverable | 30-day average | report only (mg/L) (alert, not enforceable) | all year | PR24 |
| Magnesium, total recoverable | daily maximum | report only (mg/L) (alert, not enforceable) | all year | PR24 |
| Sodium, total recoverable | 30-day average | report only (mg/L) (alert, not enforceable) | all year | PR24 |
| Sodium, total recoverable | daily maximum | report only (mg/L) (alert, not enforceable) | all year | PR24 |
| Sodium Absorption Ratio | 30-day average | ≤ 6.8 Ratio (alert, not enforceable) | all year | PR24 |
| Sodium Absorption Ratio | daily maximum | report only (Ratio) (alert, not enforceable) | all year | PR24 |
| Conductivity | 30-day average | ≤ 1.3 dS/m (alert, not enforceable) | all year | PR8 |
| Conductivity | daily maximum | report only (dS/m) (alert, not enforceable) | all year | PR8 |
| Bicarbonate ion- [as HCO3] | 30-day average | report only (mg/L) (alert, not enforceable) | all year | PR8 |
| Bicarbonate ion- [as HCO3] | daily maximum | report only (mg/L) (alert, not enforceable) | all year | PR8 |
| Calcium, total recoverable | 30-day average | report only (mg/L) (alert, not enforceable) | all year | PR8 |
| Calcium, total recoverable | daily maximum | report only (mg/L) (alert, not enforceable) | all year | PR8 |
| Magnesium, total recoverable | 30-day average | report only (mg/L) (alert, not enforceable) | all year | PR8 |
| Magnesium, total recoverable | daily maximum | report only (mg/L) (alert, not enforceable) | all year | PR8 |
| Sodium, total recoverable | 30-day average | report only (mg/L) (alert, not enforceable) | all year | PR8 |
| Sodium, total recoverable | daily maximum | report only (mg/L) (alert, not enforceable) | all year | PR8 |
| Sodium Absorption Ratio | 30-day average | ≤ 6.8 Ratio (alert, not enforceable) | all year | PR8 |
| Sodium Absorption Ratio | daily maximum | report only (Ratio) (alert, not enforceable) | all year | PR8 |
Cited limits by parameter: Colorado's rules and the federal ones.
Same industry: the 8 Oil and Gas Extraction permits in Colorado.
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Your permit document is the final word. As JSON: /api/v1/permits/CO0048003 · MCP: https://passage-data.com/mcp