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Nitrogenous Fertilizers, Kennewick, Washington. NPDES permit WA0003727 expired Dec 31, 2020; its limits still apply. Last 12 months: no values over a limit, 4 required values missing, 4 of 27 reports late. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Temperature, water deg. fahrenheit | daily maximum | report only (deg F) (alert, not enforceable) | all year | 001 |
| Temperature, water deg. fahrenheit | daily maximum | report only (deg F) (alert, not enforceable) | all year | 001 |
| pH | daily minimum | ≥ 6 SU (alert, not enforceable) | all year | 001 |
| pH | daily minimum | ≥ 6 SU (alert, not enforceable) | all year | 001 |
| pH | daily maximum | ≤ 9 SU (alert, not enforceable) | all year | 001 |
| pH | daily maximum | ≤ 9 SU (alert, not enforceable) | all year | 001 |
| Alkalinity, total [as CaCO3] | single reading | report only (mg/L) (alert, not enforceable) | Jan, Apr, Jul, Oct | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Nitrogen, ammonia total [as N] | monthly average | 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 | FFGC |
| Nitrite + Nitrate total [as N] | single reading | report only (mg/L) (alert, not enforceable) | all year | FFGC |
| Nitrite + Nitrate total [as N] | single reading | report only (lb/d) (alert, not enforceable) | all year | FFGC |
| Nitrite + Nitrate total [as N] | single reading | report only (lb/d) (alert, not enforceable) | all year | FFGC |
| Flow | single reading | report only (MGD) (alert, not enforceable) | all year | FFGC |
| Flow | single reading | report only (MGD) (alert, not enforceable) | all year | FFGC |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) (alert, not enforceable) | all year | INTK |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) (alert, not enforceable) | all year | INTK |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) (alert, not enforceable) | all year | INTK |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) (alert, not enforceable) | all year | INTK |
| Flow | daily maximum | report only (MGD) (alert, not enforceable) | all year | INTK |
| Flow | daily maximum | report only (MGD) (alert, not enforceable) | all year | INTK |
| Flow | monthly average | report only (MGD) (alert, not enforceable) | all year | INTK |
| Flow | monthly average | report only (MGD) (alert, not enforceable) | all year | INTK |
| Nitrite + Nitrate total [as N] | single reading | report only (mg/L) (alert, not enforceable) | all year | KFGC |
| Nitrite + Nitrate total [as N] | single reading | report only (mg/L) (alert, not enforceable) | all year | KFGC |
| Nitrite + Nitrate total [as N] | single reading | report only (lb/d) (alert, not enforceable) | all year | KFGC |
| Nitrite + Nitrate total [as N] | single reading | report only (lb/d) (alert, not enforceable) | all year | KFGC |
| Flow | single reading | report only (MGD) (alert, not enforceable) | all year | KFGC |
| Flow | single reading | report only (MGD) (alert, not enforceable) | all year | KFGC |
| Nitrite + Nitrate total [as N] | single reading | report only (mg/L) (alert, not enforceable) | all year | KRPW |
| Nitrite + Nitrate total [as N] | single reading | report only (mg/L) (alert, not enforceable) | all year | KRPW |
| Nitrite + Nitrate total [as N] | single reading | report only (lb/d) (alert, not enforceable) | all year | KRPW |
| Nitrite + Nitrate total [as N] | single reading | report only (lb/d) (alert, not enforceable) | all year | KRPW |
| Flow | single reading | report only (MGD) (alert, not enforceable) | all year | KRPW |
| Flow | single reading | report only (MGD) (alert, not enforceable) | all year | KRPW |
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/WA0003727 · MCP: https://passage-data.com/mcp