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Crude Petroleum And Natural Gas, major discharger, Prudhoe Bay, Alaska. NPDES permit AK0038661, in force until Jun 30, 2031. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Temp. diff. between samp. & upstrm deg. C | weekly maximum | ≤ 43 deg C | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | ≤ 3.08 MGD | all year | 001 |
| Chlorine, total residual | monthly average | ≤ 100 ug/L | all year | 001 |
| Chlorine, total residual | daily maximum | ≤ 100 ug/L | all year | 001 |
| Temp. diff. between samp. & upstrm deg. C | monthly average | report only (deg C) | all year | 002 |
| Temp. diff. between samp. & upstrm deg. C | weekly maximum | report only (deg C) | all year | 002 |
| Temp. diff. between samp. & upstrm deg. C | weekly maximum | report only (deg C) | all year | 002 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 30 mg/L | all year | 002 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 60 mg/L | all year | 002 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 002 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 002 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 002 |
| Solids, total suspended | daily maximum | ≤ 60 mg/L | all year | 002 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 002 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 002 |
| Flow, in conduit or thru treatment plant | daily maximum | ≤ 3.04 MGD | all year | 002 |
| Flow, in conduit or thru treatment plant | daily maximum | ≤ .04 MGD | all year | 002 |
| Chlorine, total residual | monthly average | report only (ug/L) | all year | 002 |
| Chlorine, total residual | monthly average | report only (ug/L) | all year | 002 |
| Chlorine, total residual | daily maximum | report only (ug/L) | all year | 002 |
| Chlorine, total residual | daily maximum | report only (ug/L) | all year | 002 |
| Enterococci | monthly average | report only (#/100mL) | all year | 002 |
| Enterococci | daily maximum | report only (#/100mL) | all year | 002 |
| Coliform, fecal general | monthly average | ≤ 200 #/100mL | all year | 002 |
| Coliform, fecal general | daily maximum | ≤ 400 #/100mL | all year | 002 |
| Temp. diff. between samp. & upstrm deg. C | monthly average | report only (deg C) | all year | 003 |
| Temp. diff. between samp. & upstrm deg. C | weekly maximum | report only (deg C) | all year | 003 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 003 |
| Flow, in conduit or thru treatment plant | daily maximum | ≤ 5 MGD | all year | 003 |
Cited limits by parameter: Alaska's rules and the federal ones.
Same industry: the 11 Oil and Gas Extraction permits in Alaska.
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Your permit document is the final word. As JSON: /api/v1/permits/AK0038661 · MCP: https://passage-data.com/mcp