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Sewage treatment plant, major discharger, Pasco, Washington. NPDES permit WA0044962 expired Jun 30, 2015; its limits still apply. Last 12 months: no values over a limit, 77 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) | all year | 001 |
| Temperature, water deg. centigrade | average | report only (deg C) (alert, not enforceable) | all year | 001 |
| Temperature, water deg. centigrade | maximum | report only (deg C) (alert, not enforceable) | all year | 001 |
| Temperature, water deg. centigrade | maximum | report only (deg C) (alert, not enforceable) | all year | 001 |
| Oxygen, dissolved [DO] | average | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Oxygen, dissolved [DO] | average | 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] | minimum | report only (mg/L) (alert, not enforceable) | all year | 001 |
| BOD, 5-day, 20 deg. C | monthly 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 | monthly average | ≤ 1131 lb/d | all year | 001 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 1131 lb/d | all year | 001 |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 1696 lb/d | all year | 001 |
| BOD, 5-day, dissolved | weekly average | ≤ 45 mg/L | all year | 001 |
| BOD, 5-day, dissolved | weekly average | ≤ 1696 lb/d | all year | 001 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 001 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 001 |
| Solids, total suspended | weekly average | ≤ 45 mg/L | all year | 001 |
| Solids, total suspended | monthly average | ≤ 1131 lb/d | all year | 001 |
| Solids, total suspended | monthly average | ≤ 1131 lb/d | all year | 001 |
| Solids, total suspended | weekly average | ≤ 1696 lb/d | all year | 001 |
| Solids, total suspended | weekly average | ≤ 1696 lb/d | all year | 001 |
| Nitrogen, ammonia total [as N] | maximum | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Nitrogen, ammonia total [as N] | maximum | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Nitrogen, ammonia total [as N] | monthly 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] | 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 |
| BOD, percent removal [total] | monthly average minimum | ≥ 85 % | all year | 001 |
| pH, maximum | maximum | ≤ 9 SU | all year | 001 |
| pH, maximum | maximum | ≤ 9 SU | all year | 001 |
| pH, minimum | minimum | ≥ 6 SU | all year | 001 |
| pH, minimum | minimum | ≥ 6 SU | all year | 001 |
| Coliform, fecal general | monthly geometric mean | ≤ 200 #/100mL | all year | 001 |
| Coliform, fecal general | monthly geometric mean | ≤ 200 #/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 |
| Arsenic, total [as As] | maximum | report only (ug/L) (alert, not enforceable) | all year | 001A |
| Arsenic, total [as As] | maximum | report only (ug/L) (alert, not enforceable) | all year | 001A |
| Cadmium, total [as Cd] | maximum | report only (ug/L) (alert, not enforceable) | all year | 001A |
| Cadmium, total [as Cd] | maximum | report only (ug/L) (alert, not enforceable) | all year | 001A |
| Lead, total [as Pb] | maximum | report only (ug/L) (alert, not enforceable) | all year | 001A |
| Lead, total [as Pb] | maximum | report only (ug/L) (alert, not enforceable) | all year | 001A |
| Molybdenum, total [as Mo] | maximum | report only (ug/L) (alert, not enforceable) | all year | 001A |
| Molybdenum, total [as Mo] | maximum | report only (ug/L) (alert, not enforceable) | all year | 001A |
| Zinc, total [as Zn] | maximum | report only (ug/L) (alert, not enforceable) | all year | 001A |
| Zinc, total [as Zn] | maximum | report only (ug/L) (alert, not enforceable) | all year | 001A |
| Selenium, total [as Se] | maximum | report only (ug/L) (alert, not enforceable) | all year | 001A |
| Selenium, total [as Se] | maximum | report only (ug/L) (alert, not enforceable) | all year | 001A |
| Mercury, total [as Hg] | maximum | report only (ug/L) (alert, not enforceable) | all year | 001A |
| Mercury, total [as Hg] | maximum | report only (ug/L) (alert, not enforceable) | all year | 001A |
| Cyanide, total [as CN] | maximum | report only (mg/L) (alert, not enforceable) | all year | 001Q |
| Cyanide, total [as CN] | maximum | report only (mg/L) (alert, not enforceable) | all year | 001Q |
| Copper, total [as Cu] | maximum | report only (ug/L) (alert, not enforceable) | all year | 001Q |
| Copper, total [as Cu] | maximum | report only (ug/L) (alert, not enforceable) | all year | 001Q |
| Total phenols | maximum | report only (mg/L) (alert, not enforceable) | all year | 001Q |
| Total phenols | maximum | report only (mg/L) (alert, not enforceable) | all year | 001Q |
| Phenolics, total | maximum | report only (mg/L) (alert, not enforceable) | all year | 001Q |
| Temperature, water deg. centigrade | average | report only (deg C) (alert, not enforceable) | all year | IN1 |
| Temperature, water deg. centigrade | average | report only (deg C) (alert, not enforceable) | all year | IN1 |
| Temperature, water deg. centigrade | maximum | report only (deg C) (alert, not enforceable) | all year | IN1 |
| Temperature, water deg. centigrade | maximum | report only (deg C) (alert, not enforceable) | all year | IN1 |
| Oxygen, dissolved [DO] | average | report only (mg/L) (alert, not enforceable) | all year | IN1 |
| Oxygen, dissolved [DO] | average | report only (mg/L) (alert, not enforceable) | all year | IN1 |
| Oxygen, dissolved [DO] | minimum | report only (mg/L) (alert, not enforceable) | all year | IN1 |
| Oxygen, dissolved [DO] | minimum | report only (mg/L) (alert, not enforceable) | all year | IN1 |
| BOD, 5-day, 20 deg. C | average | report only (mg/L) (alert, not enforceable) | all year | IN1 |
| BOD, 5-day, 20 deg. C | average | report only (mg/L) (alert, not enforceable) | all year | IN1 |
| BOD, 5-day, 20 deg. C | maximum | report only (mg/L) (alert, not enforceable) | all year | IN1 |
| BOD, 5-day, 20 deg. C | maximum | report only (mg/L) (alert, not enforceable) | all year | IN1 |
| BOD, 5-day, 20 deg. C | average | report only (lb/d) (alert, not enforceable) | all year | IN1 |
| BOD, 5-day, 20 deg. C | average | report only (lb/d) (alert, not enforceable) | all year | IN1 |
| BOD, 5-day, 20 deg. C | average | report only (lb/d) (alert, not enforceable) | all year | IN1 |
| BOD, 5-day, 20 deg. C | maximum | report only (lb/d) (alert, not enforceable) | all year | IN1 |
| BOD, 5-day, 20 deg. C | maximum | report only (lb/d) (alert, not enforceable) | all year | IN1 |
| BOD, 5-day, 20 deg. C | maximum | report only (lb/d) (alert, not enforceable) | all year | IN1 |
| Solids, total suspended | average | report only (mg/L) (alert, not enforceable) | all year | IN1 |
| Solids, total suspended | average | report only (mg/L) (alert, not enforceable) | all year | IN1 |
| Solids, total suspended | maximum | report only (mg/L) (alert, not enforceable) | all year | IN1 |
| Solids, total suspended | maximum | report only (mg/L) (alert, not enforceable) | all year | IN1 |
| Solids, total suspended | average | report only (lb/d) (alert, not enforceable) | all year | IN1 |
| Solids, total suspended | average | report only (lb/d) (alert, not enforceable) | all year | IN1 |
| Solids, total suspended | 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 | maximum | report only (lb/d) (alert, not enforceable) | all year | IN1 |
| Solids, total suspended | maximum | report only (lb/d) (alert, not enforceable) | all year | IN1 |
| Nitrogen, ammonia total [as N] | average | report only (mg/L) (alert, not enforceable) | all year | IN1 |
| Nitrogen, ammonia total [as N] | average | report only (mg/L) (alert, not enforceable) | all year | IN1 |
| Nitrogen, ammonia total [as N] | maximum | report only (mg/L) (alert, not enforceable) | all year | IN1 |
| Nitrogen, ammonia total [as N] | maximum | report only (mg/L) (alert, not enforceable) | all year | IN1 |
| Phosphorus, total [as P] | average | report only (mg/L) (alert, not enforceable) | all year | IN1 |
| Phosphorus, total [as P] | average | report only (mg/L) (alert, not enforceable) | all year | IN1 |
| Phosphorus, total [as P] | maximum | report only (mg/L) (alert, not enforceable) | all year | IN1 |
| Phosphorus, total [as P] | maximum | report only (mg/L) (alert, not enforceable) | all year | IN1 |
| pH, maximum | maximum | report only (SU) (alert, not enforceable) | all year | IN1 |
| pH, maximum | maximum | report only (SU) (alert, not enforceable) | all year | IN1 |
| pH, minimum | minimum | report only (SU) (alert, not enforceable) | all year | IN1 |
| pH, minimum | minimum | report only (SU) (alert, not enforceable) | all year | IN1 |
| Flow | average | report only (MGD) (alert, not enforceable) | all year | IN1 |
| Flow | average | report only (MGD) (alert, not enforceable) | all year | IN1 |
| Flow | maximum | report only (MGD) (alert, not enforceable) | all year | IN1 |
| Flow | maximum | report only (MGD) (alert, not enforceable) | all year | IN1 |
| Cadmium, total [as Cd] | maximum | report only (ug/L) (alert, not enforceable) | all year | IN1A |
| Cadmium, total [as Cd] | maximum | report only (ug/L) (alert, not enforceable) | all year | IN1A |
| Lead, total [as Pb] | maximum | report only (ug/L) (alert, not enforceable) | all year | IN1A |
| Lead, total [as Pb] | maximum | report only (ug/L) (alert, not enforceable) | all year | IN1A |
| Mercury, total [as Hg] | maximum | report only (ug/L) (alert, not enforceable) | all year | IN1A |
| Mercury, total [as Hg] | maximum | report only (ug/L) (alert, not enforceable) | all year | IN1A |
| Cyanide, total [as CN] | maximum | report only (mg/L) (alert, not enforceable) | all year | IN1Q |
| Cyanide, total [as CN] | maximum | report only (mg/L) (alert, not enforceable) | all year | IN1Q |
| Copper, total [as Cu] | maximum | report only (ug/L) (alert, not enforceable) | all year | IN1Q |
| Copper, total [as Cu] | maximum | report only (ug/L) (alert, not enforceable) | all year | IN1Q |
| Total phenols | maximum | report only (mg/L) (alert, not enforceable) | all year | IN1Q |
| Total phenols | maximum | report only (mg/L) (alert, not enforceable) | all year | IN1Q |
| Phenolics, total | maximum | report only (mg/L) (alert, not enforceable) | all year | IN1Q |
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/WA0044962 · MCP: https://passage-data.com/mcp