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Crude Petroleum And Natural Gas, Unknown, Wyoming. NPDES permit WY0002062 expired Jul 31, 2025; its limits still apply. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Temperature, water deg. fahrenheit | daily maximum | ≤ 88 deg F | all year | 003 |
| Oxygen, dissolved [DO] | daily maximum | report only (mg/L) | all year | 003 |
| pH | instantaneous minimum | ≥ 6.5 SU | all year | 003 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 003 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | 003 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year | 003 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | all year | 003 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 003 |
| Sulfide, total [as S] | daily maximum | ≤ 20 ug/L | all year | 003 |
| Iron, dissolved [as Fe] | daily maximum | ≤ 1000 ug/L | all year | 003 |
| Phosphate, ortho [as P] | daily maximum | report only (mg/L) | all year | 003 |
| Toluene | daily maximum | report only (ug/L) | all year | 003 |
| Benzene | daily maximum | report only (ug/L) | all year | 003 |
| Ethylbenzene | daily maximum | report only (ug/L) | all year | 003 |
| Chloride | daily maximum | ≤ 230 mg/L | all year | 003 |
| Solids, total dissolved | daily maximum | report only (mg/L) | all year | 003 |
| Flow | monthly average | report only (MGD) | all year | 003 |
| Flow | daily maximum | report only (MGD) | all year | 003 |
| Isopropyl alcohol [C3H8O], sed. | daily maximum | report only (ug/L) | all year | 003 |
| Ethylene glycol | daily maximum | report only (ug/L) | all year | 003 |
| Methanol, total | daily maximum | report only (mg/L) | all year | 003 |
| Chemical Oxygen Demand [COD] | daily maximum | report only (mg/L) | all year | 003 |
| Sulfate | daily maximum | ≤ 3000 mg/L | all year | 003 |
| Xylene [mix of m+o+p] | daily maximum | report only (ug/L) | all year | 003 |
| Produced water, oil and grease | daily maximum | ≤ 10 mg/L | all year | 003 |
| Pass/Fail Static 48Hr Acute Daphnia Magna | 48-hour maximum | = 0 pass=0;fail=1 | all year | 003 |
| Pass/Fail Static 96 Hr Acute Pimephales Promelas | 96-hour value | = 0 pass=0;fail=1 | all year | 003 |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 88 deg F | all year | 006 |
| Oxygen, dissolved [DO] | daily maximum | report only (mg/L) | all year | 006 |
| pH | instantaneous minimum | ≥ 6.5 SU | all year | 006 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 006 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | 006 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year | 006 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | all year | 006 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 006 |
| Sulfide, total [as S] | daily maximum | ≤ 20 ug/L | all year | 006 |
| Iron, dissolved [as Fe] | daily maximum | ≤ 1000 ug/L | all year | 006 |
| Phosphate, ortho [as P] | daily maximum | report only (mg/L) | all year | 006 |
| Toluene | daily maximum | report only (ug/L) | all year | 006 |
| Benzene | daily maximum | report only (ug/L) | all year | 006 |
| Ethylbenzene | daily maximum | report only (ug/L) | all year | 006 |
| Chloride | daily maximum | ≤ 230 mg/L | all year | 006 |
| Solids, total dissolved | daily maximum | report only (mg/L) | all year | 006 |
| Flow | monthly average | report only (MGD) | all year | 006 |
| Flow | daily maximum | report only (MGD) | all year | 006 |
| Isopropyl alcohol [C3H8O], sed. | daily maximum | report only (ug/L) | all year | 006 |
| Ethylene glycol | daily maximum | report only (ug/L) | all year | 006 |
| Methanol, total | daily maximum | report only (mg/L) | all year | 006 |
| Chemical Oxygen Demand [COD] | daily maximum | report only (mg/L) | all year | 006 |
| Sulfate | daily maximum | ≤ 3000 mg/L | all year | 006 |
| Xylene [mix of m+o+p] | daily maximum | report only (ug/L) | all year | 006 |
| Produced water, oil and grease | daily maximum | ≤ 10 mg/L | all year | 006 |
| Pass/Fail Static 48Hr Acute Daphnia Magna | 48-hour maximum | = 0 pass=0;fail=1 | all year | 006 |
| Pass/Fail Static 96 Hr Acute Pimephales Promelas | 96-hour value | = 0 pass=0;fail=1 | all year | 006 |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 88 deg F | all year | 009 |
| Oxygen, dissolved [DO] | daily maximum | report only (mg/L) | all year | 009 |
| pH | instantaneous minimum | ≥ 6.5 SU | all year | 009 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 009 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | 009 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year | 009 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | all year | 009 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 009 |
| Sulfide, total [as S] | daily maximum | ≤ 20 ug/L | all year | 009 |
| Iron, dissolved [as Fe] | daily maximum | ≤ 1000 ug/L | all year | 009 |
| Phosphate, ortho [as P] | daily maximum | report only (mg/L) | all year | 009 |
| Toluene | daily maximum | report only (ug/L) | all year | 009 |
| Benzene | daily maximum | report only (ug/L) | all year | 009 |
| Ethylbenzene | daily maximum | report only (ug/L) | all year | 009 |
| Chloride | daily maximum | ≤ 230 mg/L | all year | 009 |
| Solids, total dissolved | daily maximum | report only (mg/L) | all year | 009 |
| Flow | monthly average | report only (MGD) | all year | 009 |
| Flow | daily maximum | report only (MGD) | all year | 009 |
| Isopropyl alcohol [C3H8O], sed. | daily maximum | report only (ug/L) | all year | 009 |
| Ethylene glycol | daily maximum | report only (ug/L) | all year | 009 |
| Methanol, total | daily maximum | report only (mg/L) | all year | 009 |
| Chemical Oxygen Demand [COD] | daily maximum | report only (mg/L) | all year | 009 |
| Sulfate | daily maximum | ≤ 3000 mg/L | all year | 009 |
| Xylene [mix of m+o+p] | daily maximum | report only (ug/L) | all year | 009 |
| Produced water, oil and grease | daily maximum | ≤ 10 mg/L | all year | 009 |
| Pass/Fail Static 48Hr Acute Daphnia Magna | 48-hour maximum | = 0 pass=0;fail=1 | all year | 009 |
| Pass/Fail Static 96 Hr Acute Pimephales Promelas | 96-hour value | = 0 pass=0;fail=1 | all year | 009 |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 88 deg F | all year | 016 |
| Oxygen, dissolved [DO] | daily maximum | report only (mg/L) | all year | 016 |
| pH | instantaneous minimum | ≥ 6.5 SU | all year | 016 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 016 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | 016 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year | 016 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | all year | 016 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 016 |
| Sulfide, total [as S] | daily maximum | ≤ 20 ug/L | all year | 016 |
| Iron, dissolved [as Fe] | daily maximum | ≤ 1000 ug/L | all year | 016 |
| Phosphate, ortho [as P] | daily maximum | report only (mg/L) | all year | 016 |
| Toluene | daily maximum | report only (ug/L) | all year | 016 |
| Benzene | daily maximum | report only (ug/L) | all year | 016 |
| Ethylbenzene | daily maximum | report only (ug/L) | all year | 016 |
| Chloride | daily maximum | ≤ 230 mg/L | all year | 016 |
| Solids, total dissolved | daily maximum | report only (mg/L) | all year | 016 |
| Flow | monthly average | report only (MGD) | all year | 016 |
| Flow | daily maximum | report only (MGD) | all year | 016 |
| Isopropyl alcohol [C3H8O], sed. | daily maximum | report only (ug/L) | all year | 016 |
| Ethylene glycol | daily maximum | report only (ug/L) | all year | 016 |
| Methanol, total | daily maximum | report only (mg/L) | all year | 016 |
| Chemical Oxygen Demand [COD] | daily maximum | report only (mg/L) | all year | 016 |
| Sulfate | daily maximum | ≤ 3000 mg/L | all year | 016 |
| Xylene [mix of m+o+p] | daily maximum | report only (ug/L) | all year | 016 |
| Produced water, oil and grease | daily maximum | ≤ 10 mg/L | all year | 016 |
| Pass/Fail Static 48Hr Acute Daphnia Magna | 48-hour maximum | = 0 pass=0;fail=1 | all year | 016 |
| Pass/Fail Static 96 Hr Acute Pimephales Promelas | 96-hour value | = 0 pass=0;fail=1 | all year | 016 |
| Temperature, water deg. fahrenheit | daily maximum | report only (deg F) | all year | BWC1 |
| Oxygen, dissolved [DO] | daily maximum | report only (mg/L) | all year | BWC1 |
| pH | instantaneous minimum | report only (SU) | all year | BWC1 |
| pH | instantaneous maximum | report only (SU) | all year | BWC1 |
| Chloride | daily maximum | report only (mg/L) | all year | BWC1 |
| Solids, total dissolved | daily maximum | report only (mg/L) | all year | BWC1 |
| Produced water, oil and grease | daily maximum | report only (mg/L) | all year | BWC1 |
| Oxygen, dissolved [DO] | daily maximum | report only (mg/L) | all year | BWC2 |
| BOD, 5-day, 20 deg. C | daily maximum | report only (mg/L) | all year | BWC2 |
| pH | instantaneous minimum | report only (SU) | all year | BWC2 |
| pH | instantaneous maximum | report only (SU) | all year | BWC2 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | BWC2 |
| Temperature, water deg. fahrenheit | daily maximum | report only (deg F) | all year | DMP1 |
| Oxygen, dissolved [DO] | daily minimum | report only (mg/L) | all year | DMP1 |
| pH | instantaneous minimum | report only (SU) | all year | DMP1 |
| pH | instantaneous maximum | report only (SU) | all year | DMP1 |
| Barium, total [as Ba] | daily maximum | report only (ug/L) | all year | DMP1 |
| Radium 226 + radium 228, total | daily maximum | report only (pCi/L) | all year | DMP1 |
| Toluene | daily maximum | report only (ug/L) | all year | DMP1 |
| Benzene | daily maximum | report only (ug/L) | all year | DMP1 |
| Ethylbenzene | daily maximum | report only (ug/L) | all year | DMP1 |
| Chloride | daily maximum | report only (mg/L) | all year | DMP1 |
| Solids, total dissolved | daily maximum | report only (mg/L) | all year | DMP1 |
| Xylene [mix of m+o+p] | daily maximum | report only (ug/L) | all year | DMP1 |
| Produced water, oil and grease | daily maximum | report only (mg/L) | all year | DMP1 |
| Solids, total dissolved | monthly total | ≤ 908 ton/mo | all year | SUM |
| Solids, total dissolved | monthly total | ≤ 908 ton/mo | all year | SUM |
Cited limits by parameter: Wyoming's rules and the federal ones.
Same industry: the 209 Oil and Gas Extraction permits in Wyoming.
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Your permit document is the final word. As JSON: /api/v1/permits/WY0002062 · MCP: https://passage-data.com/mcp