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Crude Petroleum And Natural Gas, major discharger, Prudhoe Bay, Alaska. NPDES permit AK0043354, in force until Aug 31, 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 | ≤ 22 deg C | all year | 001 |
| pH | minimum | ≥ 6 SU | all year | 001 |
| pH | maximum | ≤ 9 SU | all year | 001 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | ≤ 2.2 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 | daily maximum | ≤ 19 deg C | 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 | report only (MGD) | all year | 002 |
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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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/AK0043354 · MCP: https://passage-data.com/mcp