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Sawmills And Planing Mills, General, Princeton, Idaho. NPDES permit ID0020532 expired Dec 31, 2011; 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. centigrade | monthly average | report only (deg C) | all year | 001 |
| Temperature, water deg. centigrade | daily maximum | ≤ 27 deg C | all year | 001 |
| Flow rate | daily maximum | ≤ 64500 gal/d | all year | 001 |
| Turbidity | monthly average | report only (NTU) | all year | 001 |
| Turbidity | daily maximum | report only (NTU) | all year | 001 |
| BOD, 5-day, 20 deg. C | monthly average | report only (mg/L) | all year | 001 |
| BOD, 5-day, 20 deg. C | daily maximum | report only (mg/L) | all year | 001 |
| pH | instantaneous minimum | ≥ 6 SU | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| pH | instantaneous minimum | ≥ 6.1 SU | May–Oct | 001 |
| pH | instantaneous maximum | ≤ 9 SU | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| pH | instantaneous maximum | ≤ 9 SU | May–Oct | 001 |
| Alkalinity, total [as CaCO3] | monthly average | report only (mg/L) | all year | 001 |
| Alkalinity, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 001 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 001 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 001 |
| Solids, total suspended | monthly average | report only (lb/d) | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 39 lb/d | all year | 001 |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | all year | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year | 001 |
| Hardness, total [as CaCO3] | monthly average | report only (mg/L) | all year | 001 |
| Hardness, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 001 |
| Zinc, total recoverable | monthly average | report only (mg/L) | all year | 001 |
| Zinc, total recoverable | daily maximum | report only (mg/L) | all year | 001 |
| Debris, floating [severity] | daily maximum | ≤ 0 N=0;Y=1 | all year | 001 |
| Oil and grease | monthly average | report only (mg/L) | all year | 001 |
| Oil and grease | daily maximum | report only (mg/L) | all year | 001 |
| Floating solids, waste or visible foam-visual | daily maximum | ≤ 0 N=0;Y=1 | all year | 001 |
| Oil and grease visual | daily maximum | ≤ 0 N=0;Y=1 | all year | 001 |
| Flow rate | monthly average | report only (gal/d) | all year | 002 |
| Flow rate | daily maximum | report only (gal/d) | all year | 002 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 002 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 002 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 002 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 002 |
| Hardness, total [as CaCO3] | monthly average | report only (mg/L) | all year | 002 |
| Hardness, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 002 |
| Zinc, total recoverable | monthly average | report only (mg/L) | all year | 002 |
| Zinc, total recoverable | daily maximum | report only (mg/L) | all year | 002 |
| Debris, floating [severity] | daily maximum | ≤ 0 N=0;Y=1 | all year | 002 |
| Floating solids, waste or visible foam-visual | daily maximum | ≤ 0 N=0;Y=1 | all year | 002 |
| Chlorine, total residual | monthly average | report only (mg/L) | all year | 002 |
| Chlorine, total residual | daily maximum | report only (mg/L) | all year | 002 |
| Chemical Oxygen Demand [COD] | monthly average | report only (mg/L) | all year | 002 |
| Chemical Oxygen Demand [COD] | daily maximum | report only (mg/L) | all year | 002 |
| Flow rate | monthly average | report only (gal/d) | all year | 003 |
| Flow rate | daily maximum | report only (gal/d) | all year | 003 |
| pH | instantaneous minimum | report only (SU) | all year | 003 |
| pH | instantaneous maximum | report only (SU) | all year | 003 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 003 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 003 |
| Hardness, total [as CaCO3] | monthly average | report only (mg/L) | all year | 003 |
| Hardness, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 003 |
| Zinc, total recoverable | monthly average | report only (mg/L) | all year | 003 |
| Zinc, total recoverable | daily maximum | report only (mg/L) | all year | 003 |
| Oil and grease | monthly average | report only (mg/L) | all year | 003 |
| Oil and grease | daily maximum | report only (mg/L) | all year | 003 |
| Floating solids, waste or visible foam-visual | daily maximum | ≤ 0 N=0;Y=1 | all year | 003 |
| Chemical Oxygen Demand [COD] | monthly average | report only (mg/L) | all year | 003 |
| Chemical Oxygen Demand [COD] | daily maximum | report only (mg/L) | all year | 003 |
| Oil and grease visual | daily maximum | ≤ 0 N=0;Y=1 | all year | 003 |
| Flow rate | monthly average | report only (gal/d) | all year | 005 |
| Flow rate | daily maximum | report only (gal/d) | all year | 005 |
| pH | instantaneous minimum | report only (SU) | all year | 005 |
| pH | instantaneous maximum | report only (SU) | all year | 005 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 005 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 005 |
| Hardness, total [as CaCO3] | monthly average | report only (mg/L) | all year | 005 |
| Hardness, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 005 |
| Zinc, total recoverable | monthly average | report only (mg/L) | all year | 005 |
| Zinc, total recoverable | daily maximum | report only (mg/L) | all year | 005 |
| Floating solids, waste or visible foam-visual | daily maximum | ≤ 0 N=0;Y=1 | all year | 005 |
| Chemical Oxygen Demand [COD] | monthly average | report only (mg/L) | all year | 005 |
| Chemical Oxygen Demand [COD] | daily maximum | report only (mg/L) | all year | 005 |
Cited limits by parameter: Idaho'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/ID0020532 · MCP: https://passage-data.com/mcp