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Alkalies And Chlorine, Longview, Washington. NPDES permit WA0991012 expired Aug 31, 2024; its limits still apply. Last 12 months: no values over a limit, 3 of 37 reports late. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Redox [oxidation reduction potential] | instantaneous maximum | report only (mv) (alert, not enforceable) | all year | 001E |
| Redox [oxidation reduction potential] | instantaneous maximum | report only (mv) (alert, not enforceable) | all year | 001E |
| Redox [oxidation reduction potential] | instantaneous minimum | report only (mv) (alert, not enforceable) | all year | 001E |
| Redox [oxidation reduction potential] | instantaneous minimum | report only (mv) (alert, not enforceable) | all year | 001E |
| Solids, total suspended | daily maximum | report only (mg/L) (alert, not enforceable) | all year | 001E |
| Solids, total suspended | daily maximum | report only (mg/L) (alert, not enforceable) | all year | 001E |
| Chloroform | single reading | report only (ug/L) (alert, not enforceable) | all year | 001E |
| Chloroform | single reading | report only (ug/L) (alert, not enforceable) | all year | 001E |
| Chlorine, total residual | daily maximum | ≤ 100 mg/L | all year | 001E |
| Chlorine, total residual | daily maximum | ≤ 100 mg/L | all year | 001E |
| pH, maximum | daily maximum | ≤ 12 SU | all year | 001E |
| pH, maximum | daily maximum | ≤ 12 SU | all year | 001E |
| pH, minimum | daily minimum | ≥ 5 SU | all year | 001E |
| pH, minimum | daily minimum | ≥ 5 SU | all year | 001E |
| Flow | daily maximum | report only (gal/d) (alert, not enforceable) | all year | 001E |
| Flow | daily maximum | report only (gal/d) (alert, not enforceable) | all year | 001E |
| Flow | monthly average | report only (gal/d) (alert, not enforceable) | all year | 001E |
| Flow | monthly average | report only (gal/d) (alert, not enforceable) | all year | 001E |
| Turbidity | single reading | report only (NTU) (alert, not enforceable) | all year | 002E |
| Turbidity | single reading | report only (NTU) (alert, not enforceable) | all year | 002E |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 13.1 mg/L (alert, not enforceable) | all year | 002E |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 13.1 mg/L (alert, not enforceable) | all year | 002E |
| pH | instantaneous maximum | ≤ 9 SU (alert, not enforceable) | all year | 002E |
| pH | instantaneous maximum | ≤ 9 SU (alert, not enforceable) | all year | 002E |
| pH | instantaneous minimum | ≥ 6 SU (alert, not enforceable) | all year | 002E |
| pH | instantaneous minimum | ≥ 6 SU (alert, not enforceable) | all year | 002E |
| Oil and grease, hexane extr method | monthly average | ≤ 15.4 mg/L (alert, not enforceable) | all year | 002E |
| Oil and grease, hexane extr method | monthly average | ≤ 15.4 mg/L (alert, not enforceable) | all year | 002E |
| Chloride [as Cl] | single reading | report only (mg/L) (alert, not enforceable) | all year | 002E |
| Chloride [as Cl] | single reading | report only (mg/L) (alert, not enforceable) | all year | 002E |
| Copper, total [as Cu] | monthly average | ≤ 7.6 ug/L (alert, not enforceable) | all year | 002E |
| Copper, total [as Cu] | monthly average | ≤ 7.6 ug/L (alert, not enforceable) | all year | 002E |
| Lead, total [as Pb] | monthly average | ≤ 25.4 ug/L (alert, not enforceable) | all year | 002E |
| Lead, total [as Pb] | monthly average | ≤ 25.4 ug/L (alert, not enforceable) | all year | 002E |
| Zinc, total [as Zn] | monthly average | ≤ 55.8 ug/L (alert, not enforceable) | all year | 002E |
| Zinc, total [as Zn] | monthly average | ≤ 55.8 ug/L (alert, not enforceable) | all year | 002E |
| E. coli | single reading | report only (#/100mL) (alert, not enforceable) | all year | 002E |
| E. coli | single reading | report only (#/100mL) (alert, not enforceable) | all year | 002E |
| Solids, total dissolved | single reading | report only (mg/L) (alert, not enforceable) | all year | 002E |
| Solids, total dissolved | single reading | report only (mg/L) (alert, not enforceable) | all year | 002E |
| Temperature, water deg. centigrade | single reading | report only (deg C) (alert, not enforceable) | all year | 003E |
| Temperature, water deg. centigrade | single reading | report only (deg C) (alert, not enforceable) | all year | 003E |
| Solids, total suspended | single reading | report only (mg/L) (alert, not enforceable) | all year | 003E |
| Solids, total suspended | single reading | report only (mg/L) (alert, not enforceable) | all year | 003E |
| Duration | single reading | report only (min) (alert, not enforceable) | all year | 003E |
| Duration | single reading | report only (min) (alert, not enforceable) | all year | 003E |
| Chlorine, total residual | single reading | report only (mg/L) (alert, not enforceable) | all year | 003E |
| Chlorine, total residual | single reading | report only (mg/L) (alert, not enforceable) | all year | 003E |
| Volume, total | single reading | report only (gal) (alert, not enforceable) | all year | 003E |
| Volume, total | single reading | report only (gal) (alert, not enforceable) | all year | 003E |
| pH, maximum | instantaneous maximum | ≤ 9 SU | all year | 003E |
| pH, maximum | instantaneous maximum | ≤ 9 SU | all year | 003E |
| pH, minimum | instantaneous minimum | ≥ 6 SU | all year | 003E |
| pH, minimum | instantaneous minimum | ≥ 6 SU | all year | 003E |
| Mercury, total [as Hg] | single reading | report only (ng/L) (alert, not enforceable) | all year | 003E |
| Mercury, total [as Hg] | single reading | report only (ng/L) (alert, not enforceable) | all year | 003E |
| Flow | instantaneous maximum | report only (gal/min) (alert, not enforceable) | all year | 003E |
| Flow | instantaneous maximum | report only (gal/min) (alert, not enforceable) | all year | 003E |
Cited limits by parameter: Washington's rules and the federal ones.
Same industry: the 7 Chemicals and Allied Products permits in Washington.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/WA0991012 · MCP: https://passage-data.com/mcp