Passage Data · Check a report · Use it from your AI
Sewage treatment plant, major discharger, Kenai, Alaska. NPDES permit AK0021377 expired May 31, 2026; its limits still apply. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year |
| Oxygen, dissolved [DO] | daily maximum | report only (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 | ≤ 325 lb/d | all year |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 650 lb/d | all year |
| BOD, 5-day, 20 deg. C | monthly average | report only (mg/L) | all year |
| BOD, 5-day, 20 deg. C | daily maximum | 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 | ≤ 488 lb/d | all year |
| pH | instantaneous minimum | ≥ 6.5 SU | all year |
| pH | instantaneous 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 | ≤ 325 lb/d | all year |
| Solids, total suspended | daily maximum | ≤ 650 lb/d | all year |
| Solids, total suspended | monthly average | report only (mg/L) | all year |
| Solids, total suspended | daily maximum | report only (mg/L) | all year |
| Solids, total suspended | weekly average | ≤ 45 mg/L | all year |
| Solids, total suspended | weekly average | ≤ 488 lb/d | all year |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 8.8 mg/L | all year |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 27 mg/L | all year |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 95 lb/d | all year |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 293 lb/d | all year |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 21 mg/L | all year |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 228 lb/d | all year |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year |
| Zinc, total recoverable | daily maximum | report only (ug/L) | all year |
| Copper, total recoverable | monthly average | ≤ 9.9 ug/L | all year |
| Copper, total recoverable | daily maximum | ≤ 15 ug/L | all year |
| Copper, total recoverable | monthly average | ≤ 107 lb/d | all year |
| Copper, total recoverable | daily maximum | ≤ 163 lb/d | all year |
| Copper, total recoverable | weekly average | ≤ 12.5 ug/L | all year |
| Copper, total recoverable | weekly average | ≤ 135 lb/d | all year |
| Flow, in conduit or thru treatment plant | monthly average | ≤ 1.3 MGD | all year |
| Flow, in conduit or thru treatment plant | daily maximum | ≤ 1.44 MGD | all year |
| Flow, in conduit or thru treatment plant | weekly average | report only (MGD) | all year |
| Chlorine, total residual | monthly average | ≤ .1 mg/L | all year |
| Chlorine, total residual | daily maximum | ≤ .1 mg/L | all year |
| Enterococci | monthly geometric mean | ≤ 35 #/100mL | May–Sep |
| Enterococci | daily maximum | ≤ 130 #/100mL | May–Sep |
| Toxicity, final conc toxicity units | daily maximum | report only (tox chronic) | May–Sep |
| Coliform, fecal general | monthly geometric mean | ≤ 14 #/100mL | all year |
| Coliform, fecal general | daily maximum | ≤ 43 #/100mL | all year |
| 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.
· Save this facility as a site · Superfund sites nearby · Your permits on one board
On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/AK0021377 · MCP: https://passage-data.com/mcp