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Crude Petroleum And Natural Gas, (Unknown City), Wyoming. NPDES permit WY0001902, in force until Jun 30, 2030. Last 12 months: over a limit 9 times (last June 2026), 3 of 51 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit |
|---|---|---|---|
| October 2025 | Flow, daily maximum | .852 MGD | ≤ 8.401 bbl/d |
| November 2025 | Flow, daily maximum | .808 MGD | ≤ 8.401 bbl/d |
| December 2025 | Flow, daily maximum | .718 MGD | ≤ 8.401 bbl/d |
| January 2026 | Flow, daily maximum | .717 MGD | ≤ 8.401 bbl/d |
| February 2026 | Flow, daily maximum | .658 MGD | ≤ 8.401 bbl/d |
| March 2026 | Flow, daily maximum | .574 MGD | ≤ 8.401 bbl/d |
| April 2026 | Flow, daily maximum | .604 MGD | ≤ 8.401 bbl/d |
| May 2026 | Flow, daily maximum | .659 MGD | ≤ 8.401 bbl/d |
| June 2026 | Flow, daily maximum | .513 MGD | ≤ 8.401 bbl/d |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| pH | instantaneous maximum | ≤ 9 SU | all year | 001 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 001 |
| pH | daily minimum | ≥ 6.5 SU | all year | 001 |
| pH | daily minimum | ≥ 6.5 SU | all year | 001 |
| Sulfide, total [as S] | daily maximum | report only (mg/L) | all year | 001 |
| Sulfide, total [as S] | daily maximum | report only (mg/L) | all year | 001 |
| Radium 226, Total Recoverable | daily maximum | ≤ 60 pCi/L | all year | 001 |
| Duration | monthly total | report only (d/mo) | all year | 001 |
| Duration | monthly total | report only (d/mo) | all year | 001 |
| Flow | daily maximum | report only (MGD) | all year | 001 |
| Flow | daily maximum | report only (MGD) | all year | 001 |
| Flow | monthly average | report only (MGD) | all year | 001 |
| Flow | monthly average | report only (MGD) | all year | 001 |
| Produced water, oil and grease | daily maximum | ≤ 10 mg/L | all year | 001 |
| Produced water, oil and grease | daily maximum | ≤ 10 mg/L | all year | 001 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 002 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 002 |
| pH | daily minimum | ≥ 6.5 SU | all year | 002 |
| pH | daily minimum | ≥ 6.5 SU | all year | 002 |
| Sulfide, total [as S] | daily maximum | report only (mg/L) | all year | 002 |
| Sulfide, total [as S] | daily maximum | report only (mg/L) | all year | 002 |
| Radium 226, Total Recoverable | daily maximum | ≤ 60 pCi/L | all year | 002 |
| Duration | monthly total | report only (d/mo) | all year | 002 |
| Duration | monthly total | report only (d/mo) | all year | 002 |
| Flow | daily maximum | report only (MGD) | all year | 002 |
| Flow | daily maximum | report only (MGD) | all year | 002 |
| Flow | monthly average | report only (MGD) | all year | 002 |
| Flow | monthly average | report only (MGD) | all year | 002 |
| Produced water, oil and grease | daily maximum | ≤ 10 mg/L | all year | 002 |
| Produced water, oil and grease | daily maximum | ≤ 10 mg/L | all year | 002 |
| pH | instantaneous maximum | report only (SU) | all year | DMPA |
| pH | instantaneous maximum | report only (SU) | all year | DMPA |
| pH | instantaneous minimum | report only (SU) | all year | DMPA |
| pH | instantaneous minimum | report only (SU) | all year | DMPA |
| Sulfide, total [as S] | daily maximum | report only (mg/L) | all year | DMPA |
| Sulfide, total [as S] | daily maximum | report only (mg/L) | all year | DMPA |
| Flow | daily maximum | ≤ 8.401 MGD | all year | SUM |
| Flow | daily maximum | ≤ 8.401 MGD | all year | SUM |
| Flow | daily maximum | ≤ 1 cfs | all year | UMPA |
| Flow | daily maximum | ≤ 1 cfs | all year | UMPA |
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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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/WY0001902 · MCP: https://passage-data.com/mcp