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Sewage treatment plant, Odessa, Washington. NPDES permit WA0045560 expired Jun 30, 2015; its limits still apply. Last 12 months: no values over a limit, 84 required values missing, 11 of 46 reports late. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Temperature, water deg. centigrade | average | report only (deg C) (alert, not enforceable) | all year | 002 |
| Temperature, water deg. centigrade | average | report only (deg C) (alert, not enforceable) | all year | 002 |
| Temperature, water deg. centigrade | maximum | report only (deg C) (alert, not enforceable) | all year | 002 |
| Temperature, water deg. centigrade | maximum | report only (deg C) (alert, not enforceable) | all year | 002 |
| Oxygen, dissolved [DO] | average | report only (mg/L) (alert, not enforceable) | all year | 002 |
| Oxygen, dissolved [DO] | average | report only (mg/L) (alert, not enforceable) | all year | 002 |
| Oxygen, dissolved [DO] | average | report only (mg/L) (alert, not enforceable) | all year | 002 |
| Oxygen, dissolved [DO] | average | report only (mg/L) (alert, not enforceable) | all year | 002 |
| Oxygen, dissolved [DO] | average | report only (mg/L) (alert, not enforceable) | all year | 002 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 15 mg/L | all year | 002 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 15 mg/L | all year | 002 |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 22.5 mg/L | all year | 002 |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 22.5 mg/L | all year | 002 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 25 lb/d | all year | 002 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 25 lb/d | all year | 002 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 25 lb/d | all year | 002 |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 37.5 lb/d | all year | 002 |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 37.5 lb/d | all year | 002 |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 37.5 lb/d | all year | 002 |
| pH | daily minimum | ≥ 6.5 SU | all year | 002 |
| pH | daily minimum | ≥ 6.5 SU | all year | 002 |
| pH | daily maximum | ≤ 8.5 SU | all year | 002 |
| pH | daily maximum | ≤ 8.5 SU | all year | 002 |
| Solids, total suspended | monthly average | ≤ 20 mg/L | all year | 002 |
| Solids, total suspended | monthly average | ≤ 20 mg/L | all year | 002 |
| Solids, total suspended | weekly average | ≤ 30 mg/L | all year | 002 |
| Solids, total suspended | weekly average | ≤ 30 mg/L | all year | 002 |
| Solids, total suspended | monthly average | ≤ 33 lb/d | all year | 002 |
| Solids, total suspended | monthly average | ≤ 33 lb/d | all year | 002 |
| Solids, total suspended | monthly average | ≤ 33 lb/d | all year | 002 |
| Solids, total suspended | weekly average | ≤ 49 lb/d | all year | 002 |
| Solids, total suspended | weekly average | ≤ 49 lb/d | all year | 002 |
| Solids, total suspended | weekly average | ≤ 49 lb/d | all year | 002 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1 mg/L (alert, not enforceable) | all year | 002 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1 mg/L | all year | 002 |
| Nitrogen, ammonia total [as N] | weekly average | report only (mg/L) (alert, not enforceable) | all year | 002 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.7 lb/d (alert, not enforceable) | all year | 002 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.7 lb/d | all year | 002 |
| Nitrogen, ammonia total [as N] | weekly average | report only (lb/d) (alert, not enforceable) | all year | 002 |
| BOD, percent removal [total] | monthly average | report only (%) (alert, not enforceable) | all year | 002 |
| Coliform, fecal general | monthly average | ≤ 200 #/100mL | all year | 002 |
| Coliform, fecal general | monthly average | ≤ 200 #/100mL | all year | 002 |
| Coliform, fecal general | weekly average | ≤ 400 #/100mL | all year | 002 |
| Coliform, fecal general | weekly average | ≤ 400 #/100mL | all year | 002 |
| Solids, suspended percent removal | monthly average | report only (%) (alert, not enforceable) | all year | 002 |
| Flow | average | report only (gal/d) (alert, not enforceable) | all year | 003 |
| Flow | average | report only (gal/d) (alert, not enforceable) | all year | 003 |
| Flow | maximum | report only (gal/d) (alert, not enforceable) | all year | 003 |
| Flow | maximum | report only (gal/d) (alert, not enforceable) | all year | 003 |
| Flow | average | report only (gal/d) (alert, not enforceable) | all year | IN1 |
| Flow | average | report only (gal/d) (alert, not enforceable) | all year | IN1 |
| Flow | maximum | report only (gal/d) (alert, not enforceable) | all year | IN1 |
| Flow | maximum | report only (gal/d) (alert, not enforceable) | all year | IN1 |
| BOD, 5-day, 20 deg. C | average | report only (mg/L) (alert, not enforceable) | all year | IN2 |
| BOD, 5-day, 20 deg. C | average | report only (mg/L) (alert, not enforceable) | all year | IN2 |
| BOD, 5-day, 20 deg. C | maximum | report only (mg/L) (alert, not enforceable) | all year | IN2 |
| BOD, 5-day, 20 deg. C | maximum | report only (mg/L) (alert, not enforceable) | all year | IN2 |
| BOD, 5-day, 20 deg. C | average | report only (lb/d) (alert, not enforceable) | all year | IN2 |
| BOD, 5-day, 20 deg. C | average | report only (lb/d) (alert, not enforceable) | all year | IN2 |
| BOD, 5-day, 20 deg. C | average | report only (lb/d) (alert, not enforceable) | all year | IN2 |
| BOD, 5-day, 20 deg. C | average | report only (lb/d) (alert, not enforceable) | all year | IN2 |
| BOD, 5-day, 20 deg. C | maximum | report only (lb/d) (alert, not enforceable) | all year | IN2 |
| BOD, 5-day, 20 deg. C | maximum | report only (lb/d) (alert, not enforceable) | all year | IN2 |
| BOD, 5-day, 20 deg. C | maximum | report only (lb/d) (alert, not enforceable) | all year | IN2 |
| BOD, 5-day, 20 deg. C | maximum | report only (lb/d) (alert, not enforceable) | all year | IN2 |
| Solids, total suspended | average | report only (mg/L) (alert, not enforceable) | all year | IN2 |
| Solids, total suspended | maximum | report only (mg/L) (alert, not enforceable) | all year | IN2 |
| Solids, total suspended | average | report only (lb/d) (alert, not enforceable) | all year | IN2 |
| Solids, total suspended | maximum | report only (lb/d) (alert, not enforceable) | all year | IN2 |
| Nitrogen, ammonia total [as N] | average | report only (mg/L) (alert, not enforceable) | all year | IN2 |
| Nitrogen, ammonia total [as N] | average | report only (mg/L) (alert, not enforceable) | all year | IN2 |
| Nitrogen, ammonia total [as N] | maximum | report only (mg/L) (alert, not enforceable) | all year | IN2 |
| Nitrogen, ammonia total [as N] | maximum | report only (mg/L) (alert, not enforceable) | all year | IN2 |
| Nitrogen, ammonia total [as N] | average | report only (lb/d) (alert, not enforceable) | all year | IN2 |
| Nitrogen, ammonia total [as N] | average | report only (lb/d) (alert, not enforceable) | all year | IN2 |
| Nitrogen, ammonia total [as N] | maximum | report only (lb/d) (alert, not enforceable) | all year | IN2 |
| Nitrogen, ammonia total [as N] | maximum | report only (lb/d) (alert, not enforceable) | all year | IN2 |
Cited limits by parameter: Washington'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/WA0045560 · MCP: https://passage-data.com/mcp