Passage Data · Check a report · Use it from your AI
Sewage treatment plant, Oroville, Washington. NPDES permit WA0022390 expired Nov 30, 2019; its limits still apply. Last 12 months: no values over a limit, 99 required values missing, 11 of 30 reports late. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | maximum | report only (mg/L) | 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 | maximum | report only (lb/d) | all year | 001 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 120 lb/d | all year | 001 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 120 lb/d | all year | 001 |
| BOD, 5-day, 20 deg. C | maximum | report only (lb/d) (alert, not enforceable) | all year | 001 |
| BOD, 5-day, 20 deg. C | maximum | report only (lb/d) (alert, not enforceable) | all year | 001 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 120 lb/d | all year | 001 |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 180 lb/d | all year | 001 |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 180 lb/d | all year | 001 |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 180 lb/d | all year | 001 |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 180 lb/d | all year | 001 |
| Alkalinity, total [as CaCO3] | single reading | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Alkalinity, total [as CaCO3] | single reading | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Solids, total suspended | maximum | report only (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 | maximum | report only (lb/d) | all year | 001 |
| Solids, total suspended | maximum | report only (lb/d) (alert, not enforceable) | all year | 001 |
| Solids, total suspended | maximum | report only (lb/d) (alert, not enforceable) | all year | 001 |
| Solids, total suspended | monthly average | ≤ 120 lb/d | all year | 001 |
| Solids, total suspended | monthly average | ≤ 120 lb/d | all year | 001 |
| Solids, total suspended | monthly average | ≤ 120 lb/d | all year | 001 |
| Solids, total suspended | weekly average | ≤ 180 lb/d | all year | 001 |
| Solids, total suspended | weekly average | ≤ 180 lb/d | all year | 001 |
| Solids, total suspended | weekly average | ≤ 180 lb/d | all year | 001 |
| Solids, total suspended | weekly average | ≤ 180 lb/d | all year | 001 |
| Oil and grease, hexane extr method | single reading | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Oil and grease, hexane extr method | single reading | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Nitrogen, ammonia total [as N] | single reading | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Nitrogen, ammonia total [as N] | single reading | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Nitrogen, ammonia total [as N] | single reading | report only (lb/d) (alert, not enforceable) | all year | 001 |
| Nitrogen, ammonia total [as N] | single reading | report only (lb/d) (alert, not enforceable) | all year | 001 |
| Nitrogen, Kjeldahl, total [as N] | single reading | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Nitrogen, Kjeldahl, total [as N] | single reading | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Nitrogen, Kjeldahl, total [as N] | single reading | report only (lb/d) (alert, not enforceable) | all year | 001 |
| Nitrogen, Kjeldahl, total [as N] | single reading | report only (lb/d) (alert, not enforceable) | all year | 001 |
| Nitrite + Nitrate total [as N] | single reading | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Nitrite + Nitrate total [as N] | single reading | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Nitrite + Nitrate total [as N] | single reading | report only (lb/d) (alert, not enforceable) | all year | 001 |
| Nitrite + Nitrate total [as N] | single reading | report only (lb/d) (alert, not enforceable) | all year | 001 |
| Phosphorus, total [as P] | single reading | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Phosphorus, total [as P] | single reading | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Phosphorus, dissolved reactive [drp as P] | single reading | report only (lb/d) (alert, not enforceable) | all year | 001 |
| Phosphorus, dissolved reactive [drp as P] | single reading | report only (lb/d) (alert, not enforceable) | all year | 001 |
| Phosphate, ortho, dissolved [as P] | single reading | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Phosphate, ortho, dissolved [as P] | single reading | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Hardness, total [as CaCO3] | single reading | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Hardness, total [as CaCO3] | single reading | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Arsenic, total [as As] | single reading | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Arsenic, total [as As] | single reading | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Arsenic, total [as As] | daily maximum | ≤ 19 g/d | all year | 001 |
| Arsenic, total [as As] | daily maximum | ≤ 19 g/d | all year | 001 |
| Phosphate, ortho [as P] | single reading | report only (lb/d) (alert, not enforceable) | all year | 001 |
| Phosphate, ortho [as P] | single reading | report only (lb/d) (alert, not enforceable) | all year | 001 |
| BOD, percent removal [total] | single reading | report only (%) (alert, not enforceable) | all year | 001 |
| BOD, percent removal [total] | single reading | report only (%) (alert, not enforceable) | all year | 001 |
| pH, maximum | maximum | report only (SU) (alert, not enforceable) | all year | 001 |
| pH, maximum | maximum | report only (SU) (alert, not enforceable) | all year | 001 |
| pH, minimum | minimum | report only (SU) (alert, not enforceable) | all year | 001 |
| pH, minimum | minimum | report only (SU) (alert, not enforceable) | all year | 001 |
| Solids, total dissolved | single reading | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Solids, total dissolved | single reading | report only (mg/L) (alert, not enforceable) | 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 |
| Coliform, fecal general | weekly geometric mean | ≤ 400 #/100mL | 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 |
| Flow | monthly total | report only (MGD) (alert, not enforceable) | all year | 001 |
| Flow | monthly total | report only (MGD) (alert, not enforceable) | all year | 001 |
| Solids, suspended percent removal | single reading | report only (%) (alert, not enforceable) | all year | 001 |
| 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 | monthly average | report only (mg/L) (alert, not enforceable) | all year | IN1 |
| BOD, 5-day, 20 deg. C | monthly average | 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 | 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 | 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 | monthly average | report only (mg/L) (alert, not enforceable) | all year | IN1 |
| Solids, total suspended | monthly average | 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 | 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 |
Cited limits by parameter: Washington'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/WA0022390 · MCP: https://passage-data.com/mcp