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Sewage treatment plant, Wilbur, Washington. NPDES permit WA0044920 expired Jul 30, 2016; its limits still apply. Last 12 months: over a limit 2 times (last February 2026), 31 required values missing, 17 of 84 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| January 2026 | Solids, total suspended, monthly average | 94.5 | ≤ 31.9 lb/d | 196% |
| February 2026 | Nitrogen, ammonia total [as N], maximum | 1.35 | ≤ 1 mg/L | 35% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Flow | maximum | ≤ 463000 gal/d | all year | 0000 |
| Flow | maximum | ≤ 463000 gal/d | all year | 0000 |
| Flow | monthly average | ≤ 225000 gal/d | all year | 0000 |
| Flow | monthly average | ≤ 225000 gal/d | all year | 0000 |
| Flow | maximum | ≤ 463000 gal/d | all year | 001 |
| Flow | maximum | ≤ 463000 gal/d | all year | 001 |
| Flow | monthly average | ≤ 225000 gal/d | all year | 001 |
| Flow | monthly average | ≤ 225000 gal/d | all year | 001 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 21.7 lb/d | all year | 003 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 21.7 lb/d | all year | 003 |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 52 lb/d | all year | 003 |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 52 lb/d | all year | 003 |
| pH | daily minimum | ≥ 6 SU | all year | 003 |
| pH | daily minimum | ≥ 6 SU | all year | 003 |
| pH | daily maximum | ≤ 9 SU | all year | 003 |
| pH | daily maximum | ≤ 9 SU | all year | 003 |
| Solids, fixed dissolved | maximum | report only (mg/L) (alert, not enforceable) | all year | 003 |
| Solids, fixed dissolved | maximum | report only (mg/L) (alert, not enforceable) | all year | 003 |
| Solids, fixed dissolved | monthly average | report only (mg/L) (alert, not enforceable) | all year | 003 |
| Solids, fixed dissolved | monthly average | report only (mg/L) (alert, not enforceable) | all year | 003 |
| Solids, total suspended | monthly average | ≤ 15 mg/L | all year | 003 |
| Solids, total suspended | monthly average | ≤ 15 mg/L | all year | 003 |
| Solids, total suspended | weekly average | ≤ 22.5 mg/L | all year | 003 |
| Solids, total suspended | weekly average | ≤ 22.5 mg/L | all year | 003 |
| Solids, total suspended | monthly average | ≤ 31.9 lb/d | all year | 003 |
| Solids, total suspended | monthly average | ≤ 31.9 lb/d | all year | 003 |
| Solids, total suspended | weekly average | ≤ 71 lb/d | all year | 003 |
| Solids, total suspended | weekly average | ≤ 71 lb/d | all year | 003 |
| Nitrogen, total [as N] | maximum | ≤ 8 mg/L | all year | 003 |
| Nitrogen, total [as N] | maximum | ≤ 8 mg/L | all year | 003 |
| Nitrogen, total [as N] | monthly average | report only (mg/L) | all year | 003 |
| Nitrogen, ammonia total [as N] | maximum | ≤ 1 mg/L | all year | 003 |
| Nitrogen, ammonia total [as N] | maximum | ≤ 1 mg/L | all year | 003 |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | all year | 003 |
| Nitrogen, nitrate total [as N] | maximum | report only (mg/L) (alert, not enforceable) | all year | 003 |
| Nitrogen, nitrate total [as N] | maximum | report only (mg/L) (alert, not enforceable) | all year | 003 |
| Nitrogen, nitrate total [as N] | monthly average | report only (mg/L) (alert, not enforceable) | all year | 003 |
| Nitrogen, nitrate total [as N] | monthly average | report only (mg/L) (alert, not enforceable) | all year | 003 |
| Nitrogen, Kjeldahl, total [as N] | maximum | report only (mg/L) (alert, not enforceable) | all year | 003 |
| Nitrogen, Kjeldahl, total [as N] | maximum | report only (mg/L) (alert, not enforceable) | all year | 003 |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (mg/L) (alert, not enforceable) | all year | 003 |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (mg/L) (alert, not enforceable) | all year | 003 |
| Phosphorus, total [as P] | maximum | report only (mg/L) (alert, not enforceable) | all year | 003 |
| Phosphorus, total [as P] | maximum | report only (mg/L) (alert, not enforceable) | all year | 003 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) (alert, not enforceable) | all year | 003 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) (alert, not enforceable) | all year | 003 |
| BOD, percent removal [total] | monthly average minimum | ≥ 85 % | all year | 003 |
| BOD, percent removal [total] | monthly average minimum | ≥ 85 % | all year | 003 |
| Coliform, fecal general | monthly geometric mean | ≤ 200 #/100mL | all year | 003 |
| Coliform, fecal general | monthly geometric mean | ≤ 200 #/100mL | all year | 003 |
| Coliform, fecal general | weekly geometric mean | ≤ 400 #/100mL | all year | 003 |
| Coliform, fecal general | weekly geometric mean | ≤ 400 #/100mL | all year | 003 |
| Solids, suspended percent removal | monthly average minimum | ≥ 85 % | all year | 003 |
| Solids, suspended percent removal | monthly average minimum | ≥ 85 % | all year | 003 |
| BOD, 5-day, 20 deg. C | maximum | report only (lb/d) (alert, not enforceable) | all year | IN1 |
| BOD, 5-day, 20 deg. C | monthly average | report only (lb/d) (alert, not enforceable) | all year | IN1 |
| Solids, total suspended | maximum | report only (lb/d) (alert, not enforceable) | all year | IN1 |
| Solids, total suspended | monthly average | report only (lb/d) (alert, not enforceable) | all year | IN1 |
| Nitrogen, ammonia total [as N] | maximum | report only (lb/d) (alert, not enforceable) | all year | IN1 |
| Nitrogen, ammonia total [as N] | monthly average | report only (lb/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 |
| Flow | monthly average | report only (gal/d) (alert, not enforceable) | all year | IN1 |
| Flow | monthly average | report only (gal/d) (alert, not enforceable) | all year | IN1 |
| Sulfate [as S] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW2 |
| Sulfate [as S] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW2 |
| pH | maximum | report only (SU) (alert, not enforceable) | all year | MW2 |
| pH | maximum | report only (SU) (alert, not enforceable) | all year | MW2 |
| Nitrogen, Kjeldahl, total [as N] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW2 |
| Nitrogen, Kjeldahl, total [as N] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW2 |
| Nitrite + Nitrate total [as N] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW2 |
| Nitrite + Nitrate total [as N] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW2 |
| Phosphorus, total [as P] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW2 |
| Phosphorus, total [as P] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW2 |
| Chloride [as Cl] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW2 |
| Chloride [as Cl] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW2 |
| Solids, total dissolved | maximum | report only (mg/L) (alert, not enforceable) | all year | MW2 |
| Solids, total dissolved | maximum | report only (mg/L) (alert, not enforceable) | all year | MW2 |
| Depth to water level ft below landsurface | maximum | report only (ft) (alert, not enforceable) | all year | MW2 |
| Depth to water level ft below landsurface | maximum | report only (ft) (alert, not enforceable) | all year | MW2 |
| Coliform, total general | maximum | report only (#/100mL) (alert, not enforceable) | all year | MW2 |
| Coliform, total general | maximum | report only (#/100mL) (alert, not enforceable) | all year | MW2 |
| Sulfate [as S] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW5 |
| Sulfate [as S] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW5 |
| pH | maximum | report only (SU) (alert, not enforceable) | all year | MW5 |
| pH | maximum | report only (SU) (alert, not enforceable) | all year | MW5 |
| Nitrogen, Kjeldahl, total [as N] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW5 |
| Nitrogen, Kjeldahl, total [as N] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW5 |
| Nitrite + Nitrate total [as N] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW5 |
| Nitrite + Nitrate total [as N] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW5 |
| Phosphorus, total [as P] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW5 |
| Phosphorus, total [as P] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW5 |
| Chloride [as Cl] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW5 |
| Chloride [as Cl] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW5 |
| Solids, total dissolved | maximum | report only (mg/L) (alert, not enforceable) | all year | MW5 |
| Solids, total dissolved | maximum | report only (mg/L) (alert, not enforceable) | all year | MW5 |
| Depth to water level ft below landsurface | maximum | report only (ft) (alert, not enforceable) | all year | MW5 |
| Depth to water level ft below landsurface | maximum | report only (ft) (alert, not enforceable) | all year | MW5 |
| Coliform, total general | maximum | report only (#/100mL) (alert, not enforceable) | all year | MW5 |
| Coliform, total general | maximum | report only (#/100mL) (alert, not enforceable) | all year | MW5 |
| Sulfate [as S] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW6 |
| Sulfate [as S] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW6 |
| pH | maximum | report only (SU) (alert, not enforceable) | all year | MW6 |
| pH | maximum | report only (SU) (alert, not enforceable) | all year | MW6 |
| Nitrogen, Kjeldahl, total [as N] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW6 |
| Nitrogen, Kjeldahl, total [as N] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW6 |
| Nitrite + Nitrate total [as N] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW6 |
| Nitrite + Nitrate total [as N] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW6 |
| Phosphorus, total [as P] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW6 |
| Phosphorus, total [as P] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW6 |
| Chloride [as Cl] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW6 |
| Chloride [as Cl] | maximum | report only (mg/L) (alert, not enforceable) | all year | MW6 |
| Solids, total dissolved | maximum | report only (mg/L) (alert, not enforceable) | all year | MW6 |
| Solids, total dissolved | maximum | report only (mg/L) (alert, not enforceable) | all year | MW6 |
| Depth to water level ft below landsurface | maximum | report only (ft) (alert, not enforceable) | all year | MW6 |
| Depth to water level ft below landsurface | maximum | report only (ft) (alert, not enforceable) | all year | MW6 |
| Coliform, total general | maximum | report only (#/100mL) (alert, not enforceable) | all year | MW6 |
| Coliform, total general | maximum | report only (#/100mL) (alert, not enforceable) | all year | MW6 |
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/WA0044920 · MCP: https://passage-data.com/mcp