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Sewage treatment plant, major discharger, Kodiak, Alaska. NPDES permit AK0021555, in force until May 31, 2029. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Temperature, water deg. centigrade | monthly average | ≤ 18 deg C | all year |
| Temperature, water deg. centigrade | daily maximum | ≤ 27 deg C | all year |
| Oxygen, dissolved [DO] | daily minimum | ≥ 6 mg/L | all year |
| Oxygen, dissolved [DO] | daily maximum | ≤ 17 mg/L | all year |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 30 mg/L | all year |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 60 mg/L | all year |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 1176 lb/d | all year |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 3102 lb/d | all year |
| BOD, 5-day, 20 deg. C | monthly average | report only (mg/L) | all year |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 45 mg/L | all year |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 1764 lb/d | all year |
| pH | minimum | ≥ 6.5 SU | all year |
| pH | maximum | ≤ 8.5 SU | all year |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year |
| Solids, total suspended | daily maximum | ≤ 60 mg/L | all year |
| Solids, total suspended | monthly average | ≤ 1176 lb/d | all year |
| Solids, total suspended | daily maximum | ≤ 3102 lb/d | all year |
| Solids, total suspended | monthly average | report only (mg/L) | all year |
| Solids, total suspended | weekly average | ≤ 45 mg/L | all year |
| Solids, total suspended | weekly average | ≤ 1764 lb/d | all year |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 9.39 mg/L | all year |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 19.09 mg/L | all year |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 368 lb/d | all year |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 987 lb/d | all year |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 14 mg/L | all year |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 549 lb/d | all year |
| Copper, total recoverable | monthly average | ≤ 23 ug/L | all year |
| Copper, total recoverable | daily maximum | ≤ 39 ug/L | all year |
| Copper, total recoverable | monthly average | ≤ .9 lb/d | all year |
| Copper, total recoverable | daily maximum | ≤ 2 lb/d | all year |
| Copper, total recoverable | weekly average | ≤ 35 ug/L | all year |
| Copper, total recoverable | weekly average | ≤ 1.4 lb/d | all year |
| Coliform, fecal MF, MFC broth, 44.5 C | monthly geometric mean | ≤ 200 #/100mL | all year |
| Coliform, fecal MF, MFC broth, 44.5 C | daily maximum | ≤ 800 #/100mL | all year |
| Coliform, fecal MF, MFC broth, 44.5 C | weekly average | ≤ 400 #/100mL | all year |
| Flow, in conduit or thru treatment plant | monthly average | ≤ 4.7 MGD | all year |
| Flow, in conduit or thru treatment plant | daily maximum | ≤ 6.2 MGD | all year |
| Enterococci | monthly geometric mean | ≤ 35 MPN/100mL | May–Sep |
| Enterococci | daily maximum | ≤ 130 MPN/100mL | May–Sep |
| BOD, 5-day, percent removal | minimum | ≥ 85 % | all year |
| Solids, suspended percent removal | minimum | ≥ 85 % | all year |
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/AK0021555 · MCP: https://passage-data.com/mcp