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Industrial or other facility, Richland, Washington. NPDES permit WA0025151, in force until Jun 30, 2028. Last 12 months: no values over a limit, 2 required values missing. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Temperature, water deg. centigrade | daily minimum | report only (deg C) (alert, not enforceable) | all year | CWB |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) (alert, not enforceable) | all year | CWB |
| BOD, 5-day, 20 deg. C | single reading | report only (mg/L) (alert, not enforceable) | all year | CWB |
| Solids, total suspended | single reading | report only (mg/L) (alert, not enforceable) | all year | CWB |
| Nitrogen, ammonia total [as N] | single reading | report only (mg/L) (alert, not enforceable) | all year | CWB |
| Carbon, tot organic [TOC] | single reading | report only (mg/L) (alert, not enforceable) | all year | CWB |
| Chromium, total [as Cr] | daily maximum | ≤ 16.4 ug/L | all year | CWB |
| Chromium, total [as Cr] | monthly average | ≤ 8.2 ug/L | all year | CWB |
| Zinc, total [as Zn] | daily maximum | ≤ 107 ug/L | all year | CWB |
| Zinc, total [as Zn] | monthly average | ≤ 53 ug/L | all year | CWB |
| Halogen, total residual | single reading | report only (mg/L) (alert, not enforceable) | all year | CWB |
| Halogen, total residual | daily maximum | ≤ .1 mg/L | all year | CWB |
| pH, maximum | single reading | report only (SU) (alert, not enforceable) | all year | CWB |
| pH, minimum | single reading | report only (SU) (alert, not enforceable) | all year | CWB |
| Flow | daily maximum | ≤ 9.4 MGD | all year | CWB |
| Flow | monthly average | ≤ 5.6 MGD | all year | CWB |
| Chemical oxygen demand [COD] | single reading | report only (mg/L) (alert, not enforceable) | all year | CWB |
| Daily excursion time [min] | monthly total | report only (min) (alert, not enforceable) | all year | CWB |
| Flow | monthly average | report only (MGD) (alert, not enforceable) | all year | INTK |
| Flow | monthly total | report only (MGD) (alert, not enforceable) | all year | INTK |
| Flow, total | monthly average | report only (gal) (alert, not enforceable) | all year | RWTS |
| Flow, total | monthly total | report only (gal) (alert, not enforceable) | all year | RWTS |
| Flow | monthly average | report only (MGD) (alert, not enforceable) | all year | SSWD |
| Flow | monthly total | report only (MGD) (alert, not enforceable) | all year | SSWD |
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/WA0025151 · MCP: https://passage-data.com/mcp