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Industrial or other facility, Colville, Washington. NPDES permit WA0045527 expired Apr 30, 2020; its limits still apply. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Temperature, water deg. fahrenheit | maximum | report only (deg F) (alert, not enforceable) | all year | 001 |
| Temperature, water deg. fahrenheit | maximum | report only (deg F) (alert, not enforceable) | all year | 001 |
| Turbidity | maximum | report only (NTU) (alert, not enforceable) | all year | 001 |
| Turbidity | maximum | report only (NTU) (alert, not enforceable) | all year | 001 |
| pH | daily minimum | ≥ 6.5 SU | all year | 001 |
| pH | daily minimum | ≥ 6.5 SU | all year | 001 |
| pH | daily maximum | ≤ 8.5 SU | all year | 001 |
| pH | daily maximum | ≤ 8.5 SU | all year | 001 |
| Solids, total suspended | maximum | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Solids, total suspended | 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 |
| Phosphorus, total [as P] | 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 |
| Hardness, total [as CaCO3] | maximum | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Copper, total [as Cu] | maximum | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Copper, total [as Cu] | maximum | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Zinc, total [as Zn] | maximum | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Zinc, total [as Zn] | maximum | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Flow | maximum | report only (gal/d) (alert, not enforceable) | all year | 001 |
| Flow | maximum | report only (gal/d) (alert, not enforceable) | all year | 001 |
| Flow | monthly average | report only (gal/d) (alert, not enforceable) | all year | 001 |
| Flow | monthly average | report only (gal/d) (alert, not enforceable) | all year | 001 |
| Chemical oxygen demand [COD] | maximum | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Chemical oxygen demand [COD] | maximum | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Oil and grease visual | maximum | report only (N=0;Y=1) (alert, not enforceable) | all year | 001 |
| Oil and grease visual | maximum | report only (N=0;Y=1) (alert, not enforceable) | all year | 001 |
| Rainfall | monthly total | report only (in) (alert, not enforceable) | all year | 002 |
| Turbidity | quarterly average | ≤ 25 NTU (alert, not enforceable) | all year | 003 |
| Solids, total suspended | quarterly average | ≤ 100 mg/L (alert, not enforceable) | all year | 003 |
| Copper, total [as Cu] | quarterly average | ≤ .032 mg/L (alert, not enforceable) | all year | 003 |
| Zinc, total [as Zn] | quarterly average | ≤ .117 mg/L (alert, not enforceable) | all year | 003 |
| Chemical oxygen demand [COD] | quarterly average | ≤ 120 mg/L (alert, not enforceable) | all year | 003 |
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/WA0045527 · MCP: https://passage-data.com/mcp