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Federal facility (Airports, Flying Fields, & Services), Kodiak, Alaska. NPDES permit AK0031429 expired May 31, 2025; its limits still apply. Last 12 months: no values over a limit, 2 required values missing. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| pH | daily minimum | ≥ 6.5 SU | all year | 001 |
| pH | daily maximum | ≤ 8.5 SU | all year | 001 |
| Hydrocarbons, aromatic | daily maximum | report only (ug/L) | all year | 001 |
| Flow, in conduit or thru treatment plant | total | report only (MGD) | all year | 001 |
| Hydrocarbon, aqueous | daily maximum | report only (ug/L) | all year | 001 |
| Oil and grease visual | daily maximum | ≤ 0 N=0;Y=1 | all year | 001 |
| pH | daily minimum | ≥ 6.5 SU | all year | 002 |
| pH | daily maximum | ≤ 8.5 SU | all year | 002 |
| Carbon, tot organic [TOC] | daily maximum | ≤ 110 mg/L | all year | 002 |
| Hydrocarbons, aromatic | daily maximum | report only (ug/L) | all year | 002 |
| Flow, in conduit or thru treatment plant | total | report only (MGD) | all year | 002 |
| Hydrocarbon, aqueous | daily maximum | report only (ug/L) | all year | 002 |
| Oil and grease visual | daily maximum | ≤ 0 N=0;Y=1 | all year | 002 |
| pH | daily minimum | ≥ 6.5 SU | all year | 003 |
| pH | daily maximum | ≤ 8.5 SU | all year | 003 |
| Hydrocarbons, aromatic | daily maximum | report only (ug/L) | all year | 003 |
| Flow, in conduit or thru treatment plant | total | report only (MGD) | all year | 003 |
| Hydrocarbon, aqueous | daily maximum | report only (ug/L) | all year | 003 |
| Oil and grease visual | daily maximum | ≤ 0 N=0;Y=1 | all year | 003 |
| pH | daily minimum | ≥ 6.5 SU | all year | 004 |
| pH | daily maximum | ≤ 8.5 SU | all year | 004 |
| Hydrocarbons, aromatic | daily maximum | report only (ug/L) | all year | 004 |
| Flow, in conduit or thru treatment plant | total | report only (MGD) | all year | 004 |
| Hydrocarbon, aqueous | daily maximum | report only (ug/L) | all year | 004 |
| Oil and grease visual | daily maximum | ≤ 0 N=0;Y=1 | all year | 004 |
Cited limits by parameter: Alaska's rules and the federal ones.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/AK0031429 · MCP: https://passage-data.com/mcp