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Chemicals & Allied Products, Kennewick, Washington. NPDES permit WA0003671 expired Dec 31, 2020; its limits still apply. Last 12 months: no values over a limit, 7 of 84 reports late. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Turbidity | daily maximum | ≤ 25 NTU (alert, not enforceable) | all year | 0000 |
| Turbidity | daily maximum | ≤ 25 NTU (alert, not enforceable) | all year | 0000 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 30 mg/L (alert, not enforceable) | all year | 0000 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 30 mg/L (alert, not enforceable) | all year | 0000 |
| pH | daily minimum | ≥ 5 SU (alert, not enforceable) | all year | 0000 |
| pH | daily minimum | ≥ 5 SU (alert, not enforceable) | all year | 0000 |
| pH | daily maximum | ≤ 9 SU (alert, not enforceable) | all year | 0000 |
| pH | daily maximum | ≤ 9 SU (alert, not enforceable) | all year | 0000 |
| Solids, total suspended | daily maximum | ≤ 30 mg/L (alert, not enforceable) | all year | 0000 |
| Solids, total suspended | daily maximum | ≤ 30 mg/L (alert, not enforceable) | all year | 0000 |
| Oil and grease, hexane extr method | daily maximum | ≤ 15 mg/L (alert, not enforceable) | all year | 0000 |
| Oil and grease, hexane extr method | daily maximum | ≤ 15 mg/L (alert, not enforceable) | all year | 0000 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 38 mg/L (alert, not enforceable) | all year | 0000 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 38 mg/L (alert, not enforceable) | all year | 0000 |
| Nitrite + Nitrate total [as N] | daily maximum | ≤ .68 mg/L (alert, not enforceable) | all year | 0000 |
| Nitrite + Nitrate total [as N] | daily maximum | ≤ .68 mg/L (alert, not enforceable) | all year | 0000 |
| Phosphorus, total [as P] | daily maximum | ≤ 2 mg/L (alert, not enforceable) | all year | 0000 |
| Phosphorus, total [as P] | daily maximum | ≤ 2 mg/L (alert, not enforceable) | all year | 0000 |
| Copper, total [as Cu] | daily maximum | ≤ 32 ug/L (alert, not enforceable) | all year | 0000 |
| Copper, total [as Cu] | daily maximum | ≤ 32 ug/L (alert, not enforceable) | all year | 0000 |
| Zinc, total [as Zn] | daily maximum | ≤ 117 ug/L (alert, not enforceable) | all year | 0000 |
| Zinc, total [as Zn] | daily maximum | ≤ 117 ug/L (alert, not enforceable) | all year | 0000 |
| Flow | single reading | report only (gal/d) (alert, not enforceable) | all year | 0000 |
| Flow | single reading | report only (gal/d) (alert, not enforceable) | all year | 0000 |
| Oil and grease visual | single reading | report only (N=0;Y=1) (alert, not enforceable) | all year | 0000 |
| Oil and grease visual | single reading | report only (N=0;Y=1) (alert, not enforceable) | all year | 0000 |
| Discharge event observation [Visual Monitoring] | single reading | report only (N=0;Y=1) (alert, not enforceable) | all year | 0000 |
| Discharge event observation [Visual Monitoring] | single reading | report only (N=0;Y=1) (alert, not enforceable) | all year | 0000 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) (alert, not enforceable) | all year | 001 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) (alert, not enforceable) | all year | 001 |
| pH, maximum | instantaneous maximum | report only (SU) (alert, not enforceable) | all year | 001 |
| pH, maximum | instantaneous maximum | report only (SU) (alert, not enforceable) | all year | 001 |
| pH, minimum | instantaneous minimum | report only (SU) (alert, not enforceable) | all year | 001 |
| pH, minimum | instantaneous minimum | report only (SU) (alert, not enforceable) | all year | 001 |
| Flow | monthly average | report only (MGD) (alert, not enforceable) | all year | 001 |
| Flow | monthly average | report only (MGD) (alert, not enforceable) | all year | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) (alert, not enforceable) | all year | 002 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) (alert, not enforceable) | all year | 002 |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) (alert, not enforceable) | all year | 002 |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) (alert, not enforceable) | all year | 002 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 295 lb/d | all year | 002 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 295 lb/d | all year | 002 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) (alert, not enforceable) | all year | 002 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) (alert, not enforceable) | all year | 002 |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) (alert, not enforceable) | all year | 002 |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) (alert, not enforceable) | all year | 002 |
| Nitrite + Nitrate total [as N] | monthly average | ≤ 534 lb/d | all year | 002 |
| Nitrite + Nitrate total [as N] | monthly average | ≤ 534 lb/d | all year | 002 |
| Flow | daily minimum | report only (MGD) (alert, not enforceable) | all year | 003 |
| Flow | daily minimum | report only (MGD) (alert, not enforceable) | all year | 003 |
| Flow | daily minimum | report only (MGD) (alert, not enforceable) | Jan, Feb, Mar, Apr, May, Oct, Nov, Dec | 004 |
| Flow | daily minimum | ≥ 15 MGD (alert, not enforceable) | Jun–Sep | 004 |
| Flow | daily minimum | ≥ 15 MGD (alert, not enforceable) | Jun–Sep | 004 |
| Flow | daily minimum | report only (MGD) (alert, not enforceable) | Jan, Feb, Mar, Apr, May, Oct, Nov, Dec | 004 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) (alert, not enforceable) | all year | 005 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) (alert, not enforceable) | all year | 005 |
| pH, maximum | daily maximum | ≤ 9 SU (alert, not enforceable) | all year | 005 |
| pH, maximum | daily maximum | ≤ 9 SU (alert, not enforceable) | all year | 005 |
| pH, minimum | daily minimum | ≥ 6 SU (alert, not enforceable) | all year | 005 |
| pH, minimum | daily minimum | ≥ 6 SU (alert, not enforceable) | all year | 005 |
| Daily excursion time [min] | monthly total | ≤ 446 min | all year | 005 |
| Daily excursion time [min] | monthly total | ≤ 446 min | all year | 005 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 65 mg/L (alert, not enforceable) | all year | CDS |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 65 mg/L (alert, not enforceable) | all year | CDS |
| Nitrite + Nitrate total [as N] | daily maximum | ≤ 65 mg/L (alert, not enforceable) | all year | CDS |
| Nitrite + Nitrate total [as N] | daily maximum | ≤ 65 mg/L (alert, not enforceable) | all year | CDS |
Cited limits by parameter: Washington's rules and the federal ones.
Same industry: the 9 Wholesale Trade — Nondurable Goods 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/WA0003671 · MCP: https://passage-data.com/mcp