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Sewage treatment plant, Orting, Washington. NPDES permit WA0020303 expired Jan 30, 2017; its limits still apply. Last 12 months: no values over a limit, 4 required values missing. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Temperature, water deg. centigrade | average | report only (deg C) (alert, not enforceable) | Jan, Feb, Mar, Apr, May, Nov, Dec | 001 |
| Temperature, water deg. centigrade | average | report only (deg C) (alert, not enforceable) | Jan, Feb, Mar, Apr, May, Nov, Dec | 001 |
| Temperature, water deg. centigrade | maximum | report only (deg C) (alert, not enforceable) | Jan, Feb, Mar, Apr, May, Nov, Dec | 001 |
| Temperature, water deg. centigrade | maximum | report only (deg C) (alert, not enforceable) | Jan, Feb, Mar, Apr, May, Nov, Dec | 001 |
| Oxygen, dissolved [DO] | minimum | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Oxygen, dissolved [DO] | minimum | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Oxygen, dissolved [DO] | weekly average | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Oxygen, dissolved [DO] | weekly average | report only (mg/L) (alert, not enforceable) | all year | 001 |
| BOD, 5-day, 20 deg. C | average | ≤ 30 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | average | ≤ 30 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 45 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 45 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | average | ≤ 324 lb/d | all year | 001 |
| BOD, 5-day, 20 deg. C | average | ≤ 324 lb/d | all year | 001 |
| BOD, 5-day, 20 deg. C | average | ≤ 324 lb/d | all year | 001 |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 486 lb/d | all year | 001 |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 486 lb/d | all year | 001 |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 486 lb/d | all year | 001 |
| pH | daily minimum | ≥ 6 SU | all year | 001 |
| pH | daily minimum | ≥ 6 SU | all year | 001 |
| pH | daily maximum | ≤ 9 SU | all year | 001 |
| pH | daily maximum | ≤ 9 SU | all year | 001 |
| Solids, total suspended | average | ≤ 30 mg/L | all year | 001 |
| Solids, total suspended | average | ≤ 30 mg/L | all year | 001 |
| Solids, total suspended | weekly average | ≤ 45 mg/L | all year | 001 |
| Solids, total suspended | weekly average | ≤ 45 mg/L | all year | 001 |
| Solids, total suspended | average | ≤ 366 lb/d | all year | 001 |
| Solids, total suspended | average | ≤ 366 lb/d | all year | 001 |
| Solids, total suspended | average | ≤ 366 lb/d | all year | 001 |
| Solids, total suspended | weekly average | ≤ 549 lb/d | all year | 001 |
| Solids, total suspended | weekly average | ≤ 549 lb/d | all year | 001 |
| Solids, total suspended | weekly average | ≤ 549 lb/d | all year | 001 |
| Nitrogen, total [as N] | average | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Nitrogen, total [as N] | average | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Nitrogen, total [as N] | maximum | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Nitrogen, total [as N] | maximum | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Nitrogen, ammonia total [as N] | average | ≤ 9 mg/L | all year | 001 |
| Nitrogen, ammonia total [as N] | average | ≤ 9 mg/L | all year | 001 |
| Nitrogen, ammonia total [as N] | average | report only (lb/d) (alert, not enforceable) | all year | 001 |
| Nitrogen, ammonia total [as N] | average | report only (lb/d) (alert, not enforceable) | all year | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (lb/d) (alert, not enforceable) | all year | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (lb/d) (alert, not enforceable) | all year | 001 |
| Nitrogen, Kjeldahl, total [as N] | average | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Nitrogen, Kjeldahl, total [as N] | average | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Nitrogen, Kjeldahl, total [as N] | maximum | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Nitrogen, Kjeldahl, total [as N] | maximum | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Nitrite + Nitrate total [as N] | average | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Nitrite + Nitrate total [as N] | average | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Nitrite + Nitrate total [as N] | maximum | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Nitrite + Nitrate total [as N] | maximum | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Phosphate, total [as PO4] | average | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Phosphate, total [as PO4] | average | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Phosphate, total [as PO4] | maximum | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Phosphate, total [as PO4] | maximum | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Phosphorus, total [as P] | average | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Phosphorus, total [as P] | average | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Phosphorus, total [as P] | maximum | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Phosphorus, total [as P] | maximum | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Hardness, total [as CaCO3] | average | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Hardness, total [as CaCO3] | average | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Hardness, total [as CaCO3] | maximum | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Hardness, total [as CaCO3] | maximum | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Copper, total [as Cu] | average | ≤ 18 ug/L | all year | 001 |
| Copper, total [as Cu] | average | ≤ 18 ug/L | all year | 001 |
| Copper, total [as Cu] | daily maximum | ≤ 26 ug/L | all year | 001 |
| Copper, total [as Cu] | daily maximum | ≤ 26 ug/L | all year | 001 |
| Rainfall | average | report only (in) (alert, not enforceable) | all year | 001 |
| Rainfall | average | report only (in) (alert, not enforceable) | all year | 001 |
| Rainfall | total | report only (in) (alert, not enforceable) | all year | 001 |
| Rainfall | total | report only (in) (alert, not enforceable) | all year | 001 |
| BOD, percent removal [total] | monthly average minimum | ≥ 85 % | all year | 001 |
| BOD, percent removal [total] | monthly average minimum | ≥ 85 % | all year | 001 |
| Ultraviolet light transmittance | average | report only (%) (alert, not enforceable) | all year | 001 |
| Ultraviolet light transmittance | average | report only (%) (alert, not enforceable) | all year | 001 |
| Ultraviolet light transmittance | maximum | report only (%) (alert, not enforceable) | all year | 001 |
| Ultraviolet light transmittance | maximum | report only (%) (alert, not enforceable) | all year | 001 |
| Coliform, fecal general | geometric mean | ≤ 200 #/100mL | all year | 001 |
| Coliform, fecal general | geometric mean | ≤ 200 #/100mL | all year | 001 |
| Coliform, fecal general | weekly geometric mean | ≤ 400 #/100mL | all year | 001 |
| Coliform, fecal general | weekly geometric mean | ≤ 400 #/100mL | all year | 001 |
| Flow | average | report only (MGD) (alert, not enforceable) | all year | 001 |
| Flow | average | report only (MGD) (alert, not enforceable) | all year | 001 |
| Flow | maximum | report only (MGD) (alert, not enforceable) | all year | 001 |
| Flow | maximum | report only (MGD) (alert, not enforceable) | all year | 001 |
| Solids, suspended percent removal | monthly average minimum | ≥ 85 % | all year | 001 |
| Solids, suspended percent removal | monthly average minimum | ≥ 85 % | all year | 001 |
| Chlorine, total residual | average | report only (mg/L) (alert, not enforceable) | all year | CL2 |
| Chlorine, total residual | average | report only (mg/L) (alert, not enforceable) | all year | CL2 |
| Chlorine, total residual | daily maximum | report only (mg/L) (alert, not enforceable) | all year | CL2 |
| Chlorine, total residual | daily maximum | report only (mg/L) (alert, not enforceable) | all year | CL2 |
| BOD, 5-day, 20 deg. C | average | report only (mg/L) (alert, not enforceable) | all year | INFL |
| BOD, 5-day, 20 deg. C | average | report only (mg/L) (alert, not enforceable) | all year | INFL |
| BOD, 5-day, 20 deg. C | maximum | report only (mg/L) (alert, not enforceable) | all year | INFL |
| BOD, 5-day, 20 deg. C | maximum | report only (mg/L) (alert, not enforceable) | all year | INFL |
| BOD, 5-day, 20 deg. C | average | report only (lb/d) (alert, not enforceable) | all year | INFL |
| BOD, 5-day, 20 deg. C | average | report only (lb/d) (alert, not enforceable) | all year | INFL |
| BOD, 5-day, 20 deg. C | average | report only (lb/d) (alert, not enforceable) | all year | INFL |
| BOD, 5-day, 20 deg. C | maximum | report only (lb/d) (alert, not enforceable) | all year | INFL |
| BOD, 5-day, 20 deg. C | maximum | report only (lb/d) (alert, not enforceable) | all year | INFL |
| BOD, 5-day, 20 deg. C | maximum | report only (lb/d) (alert, not enforceable) | all year | INFL |
| pH | maximum | report only (SU) (alert, not enforceable) | all year | INFL |
| pH | maximum | report only (SU) (alert, not enforceable) | all year | INFL |
| pH | minimum | report only (SU) (alert, not enforceable) | all year | INFL |
| pH | minimum | report only (SU) (alert, not enforceable) | all year | INFL |
| Solids, total suspended | average | report only (mg/L) (alert, not enforceable) | all year | INFL |
| Solids, total suspended | average | report only (mg/L) (alert, not enforceable) | all year | INFL |
| Solids, total suspended | maximum | report only (mg/L) (alert, not enforceable) | all year | INFL |
| Solids, total suspended | maximum | report only (mg/L) (alert, not enforceable) | all year | INFL |
| Solids, total suspended | average | report only (lb/d) (alert, not enforceable) | all year | INFL |
| Solids, total suspended | average | report only (lb/d) (alert, not enforceable) | all year | INFL |
| Solids, total suspended | average | report only (lb/d) (alert, not enforceable) | all year | INFL |
| Solids, total suspended | maximum | report only (lb/d) (alert, not enforceable) | all year | INFL |
| Solids, total suspended | maximum | report only (lb/d) (alert, not enforceable) | all year | INFL |
| Solids, total suspended | maximum | report only (lb/d) (alert, not enforceable) | all year | INFL |
| Nitrogen, total [as N] | quarterly average | report only (mg/L) (alert, not enforceable) | all year | INFL |
| Nitrogen, total [as N] | quarterly average | report only (mg/L) (alert, not enforceable) | all year | INFL |
| Nitrogen, ammonia total [as N] | quarterly average | report only (mg/L) (alert, not enforceable) | all year | INFL |
| Nitrogen, ammonia total [as N] | quarterly average | report only (mg/L) (alert, not enforceable) | all year | INFL |
| Nitrogen, Kjeldahl, total [as N] | quarterly average | report only (mg/L) (alert, not enforceable) | all year | INFL |
| Nitrogen, Kjeldahl, total [as N] | quarterly average | report only (mg/L) (alert, not enforceable) | all year | INFL |
| Nitrite + Nitrate total [as N] | quarterly average | report only (mg/L) (alert, not enforceable) | all year | INFL |
| Nitrite + Nitrate total [as N] | quarterly average | report only (mg/L) (alert, not enforceable) | all year | INFL |
| Phosphate, total [as PO4] | quarterly average | report only (mg/L) (alert, not enforceable) | all year | INFL |
| Phosphate, total [as PO4] | quarterly average | report only (mg/L) (alert, not enforceable) | all year | INFL |
| Phosphorus, total [as P] | quarterly average | report only (mg/L) (alert, not enforceable) | all year | INFL |
| Phosphorus, total [as P] | quarterly average | report only (mg/L) (alert, not enforceable) | all year | INFL |
| Hardness, total [as CaCO3] | quarterly average | report only (mg/L) (alert, not enforceable) | all year | INFL |
| Hardness, total [as CaCO3] | quarterly average | report only (mg/L) (alert, not enforceable) | all year | INFL |
| Copper, total [as Cu] | quarterly average | report only (ug/L) (alert, not enforceable) | all year | INFL |
| Copper, total [as Cu] | quarterly average | report only (ug/L) (alert, not enforceable) | all year | INFL |
| Flow | average | report only (MGD) (alert, not enforceable) | all year | INFL |
| Flow | average | report only (MGD) (alert, not enforceable) | all year | INFL |
| Flow | maximum | report only (MGD) (alert, not enforceable) | all year | INFL |
| Flow | maximum | report only (MGD) (alert, not enforceable) | all year | INFL |
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/WA0020303 · MCP: https://passage-data.com/mcp