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Sewage treatment plant, Rockford, Washington. NPDES permit WA0044831 expired Nov 30, 2018; its limits still apply. Last 12 months: over a limit once (last April 2026), 2 required values missing. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| April 2026 | Solids, suspended percent removal, monthly average minimum | 43.7 | ≥ 65 % | 61% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Temperature, water deg. centigrade | maximum | report only (deg C) (alert, not enforceable) | all year | 0001 |
| Temperature, water deg. centigrade | maximum | report only (deg C) (alert, not enforceable) | all year | 0001 |
| Oxygen, dissolved [DO] | minimum | report only (mg/L) (alert, not enforceable) | all year | 0001 |
| Oxygen, dissolved [DO] | minimum | report only (mg/L) (alert, not enforceable) | all year | 0001 |
| Oxygen, dissolved [DO] | monthly average | report only (mg/L) (alert, not enforceable) | all year | 0001 |
| Oxygen, dissolved [DO] | monthly average | report only (mg/L) (alert, not enforceable) | all year | 0001 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 30 mg/L | all year | 0001 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 30 mg/L | all year | 0001 |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 45 mg/L | all year | 0001 |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 45 mg/L | all year | 0001 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 65.6 lb/d | all year | 0001 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 65.6 lb/d | all year | 0001 |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 98.3 lb/d | all year | 0001 |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 98.3 lb/d | all year | 0001 |
| pH | daily minimum | ≥ 6.5 SU | all year | 0001 |
| pH | daily minimum | ≥ 6.5 SU | all year | 0001 |
| pH | daily maximum | ≤ 8.5 SU | all year | 0001 |
| pH | daily maximum | ≤ 8.5 SU | all year | 0001 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 0001 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 0001 |
| Solids, total suspended | weekly average | ≤ 45 mg/L | all year | 0001 |
| Solids, total suspended | weekly average | ≤ 45 mg/L | all year | 0001 |
| Solids, total suspended | monthly average | ≤ 65.6 lb/d | all year | 0001 |
| Solids, total suspended | monthly average | ≤ 65.6 lb/d | all year | 0001 |
| Solids, total suspended | weekly average | ≤ 98.3 lb/d | all year | 0001 |
| Solids, total suspended | weekly average | ≤ 98.3 lb/d | all year | 0001 |
| Nitrogen, ammonia total [as N] | maximum | report only (mg/L) (alert, not enforceable) | all year | 0001 |
| Nitrogen, ammonia total [as N] | maximum | report only (mg/L) (alert, not enforceable) | all year | 0001 |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) (alert, not enforceable) | all year | 0001 |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) (alert, not enforceable) | all year | 0001 |
| BOD, percent removal [total] | monthly average minimum | ≥ 65 % | all year | 0001 |
| BOD, percent removal [total] | monthly average minimum | ≥ 65 % | all year | 0001 |
| Coliform, fecal general | monthly geometric mean | ≤ 100 #/100mL | all year | 0001 |
| Coliform, fecal general | monthly geometric mean | ≤ 100 #/100mL | all year | 0001 |
| Coliform, fecal general | weekly geometric mean | ≤ 200 #/100mL | all year | 0001 |
| Coliform, fecal general | weekly geometric mean | ≤ 200 #/100mL | all year | 0001 |
| Flow | monthly average | report only (gal/d) | all year | 0001 |
| Flow | monthly average | report only (gal/d) (alert, not enforceable) | all year | 0001 |
| Flow | monthly average | report only (gal/d) (alert, not enforceable) | all year | 0001 |
| Flow | maximum | report only (cfs) (alert, not enforceable) | all year | 0001 |
| Flow | maximum | report only (cfs) (alert, not enforceable) | all year | 0001 |
| Flow | minimum | ≥ 2.38 cfs (alert, not enforceable) | all year | 0001 |
| Flow | minimum | ≥ 2.38 cfs (alert, not enforceable) | all year | 0001 |
| Flow | monthly average | report only (cfs) (alert, not enforceable) | all year | 0001 |
| Flow | monthly average | report only (cfs) (alert, not enforceable) | all year | 0001 |
| Solids, suspended percent removal | monthly average minimum | ≥ 65 % | all year | 0001 |
| Solids, suspended percent removal | monthly average minimum | ≥ 65 % | all year | 0001 |
| Coliform, fecal general | maximum | report only (#/100mL) (alert, not enforceable) | all year | 002 |
| Coliform, fecal general | maximum | report only (#/100mL) (alert, not enforceable) | all year | 002 |
| Flow | maximum | report only (gal/d) (alert, not enforceable) | all year | 002 |
| Flow | maximum | report only (gal/d) (alert, not enforceable) | all year | 002 |
| Flow | minimum | report only (gal/d) (alert, not enforceable) | all year | 002 |
| Flow | minimum | report only (gal/d) (alert, not enforceable) | all year | 002 |
| Flow | monthly average | report only (gal/d) (alert, not enforceable) | all year | 002 |
| Flow | monthly average | report only (gal/d) (alert, not enforceable) | all year | 002 |
| Alkalinity, total [as CaCO3] | maximum | report only (mg/L) (alert, not enforceable) | all year | 003 |
| Alkalinity, total [as CaCO3] | maximum | report only (mg/L) (alert, not enforceable) | all year | 003 |
| Nitrite + Nitrate total [as N] | maximum | report only (mg/L) (alert, not enforceable) | all year | 003 |
| Nitrite + Nitrate total [as N] | maximum | report only (mg/L) (alert, not enforceable) | all year | 003 |
| Phosphorus, total [as P] | maximum | report only (mg/L) (alert, not enforceable) | all year | 003 |
| Phosphorus, total [as P] | maximum | report only (mg/L) (alert, not enforceable) | all year | 003 |
| Phosphorus, dissolved reactive [drp as P] | maximum | report only (mg/L) (alert, not enforceable) | all year | 003 |
| Phosphorus, dissolved reactive [drp as P] | maximum | report only (mg/L) (alert, not enforceable) | all year | 003 |
| Hardness, total [as CaCO3] | maximum | report only (mg/L) (alert, not enforceable) | all year | 003 |
| Hardness, total [as CaCO3] | maximum | report only (mg/L) (alert, not enforceable) | all year | 003 |
| BOD, 5-day, 20 deg. C | maximum | report only (mg/L) (alert, not enforceable) | Jun–Nov | IN00 |
| BOD, 5-day, 20 deg. C | maximum | report only (mg/L) (alert, not enforceable) | Jun–Nov | IN00 |
| BOD, 5-day, 20 deg. C | maximum | report only (mg/L) (alert, not enforceable) | Jan, Feb, Mar, Apr, May, Dec | IN00 |
| BOD, 5-day, 20 deg. C | maximum | report only (mg/L) (alert, not enforceable) | Jan, Feb, Mar, Apr, May, Dec | IN00 |
| BOD, 5-day, 20 deg. C | monthly average | report only (mg/L) (alert, not enforceable) | Jun–Nov | IN00 |
| BOD, 5-day, 20 deg. C | monthly average | report only (mg/L) (alert, not enforceable) | Jun–Nov | IN00 |
| BOD, 5-day, 20 deg. C | monthly average | report only (mg/L) (alert, not enforceable) | Jan, Feb, Mar, Apr, May, Dec | IN00 |
| BOD, 5-day, 20 deg. C | monthly average | report only (mg/L) (alert, not enforceable) | Jan, Feb, Mar, Apr, May, Dec | IN00 |
| BOD, 5-day, 20 deg. C | maximum | report only (lb/d) (alert, not enforceable) | Jan, Feb, Mar, Apr, May, Dec | IN00 |
| BOD, 5-day, 20 deg. C | maximum | report only (lb/d) (alert, not enforceable) | Jan, Feb, Mar, Apr, May, Dec | IN00 |
| BOD, 5-day, 20 deg. C | maximum | report only (lb/d) (alert, not enforceable) | Jun–Nov | IN00 |
| BOD, 5-day, 20 deg. C | maximum | report only (lb/d) (alert, not enforceable) | Jun–Nov | IN00 |
| BOD, 5-day, 20 deg. C | monthly average | report only (lb/d) (alert, not enforceable) | Jan, Feb, Mar, Apr, May, Dec | IN00 |
| BOD, 5-day, 20 deg. C | monthly average | report only (lb/d) (alert, not enforceable) | Jan, Feb, Mar, Apr, May, Dec | IN00 |
| BOD, 5-day, 20 deg. C | monthly average | report only (lb/d) (alert, not enforceable) | Jun–Nov | IN00 |
| BOD, 5-day, 20 deg. C | monthly average | report only (lb/d) (alert, not enforceable) | Jun–Nov | IN00 |
| Solids, total suspended | maximum | report only (mg/L) (alert, not enforceable) | Jan, Feb, Mar, Apr, May, Dec | IN00 |
| Solids, total suspended | maximum | report only (mg/L) (alert, not enforceable) | Jan, Feb, Mar, Apr, May, Dec | IN00 |
| Solids, total suspended | maximum | report only (mg/L) (alert, not enforceable) | Jun–Nov | IN00 |
| Solids, total suspended | maximum | report only (mg/L) (alert, not enforceable) | Jun–Nov | IN00 |
| Solids, total suspended | monthly average | report only (mg/L) (alert, not enforceable) | Jan, Feb, Mar, Apr, May, Dec | IN00 |
| Solids, total suspended | monthly average | report only (mg/L) (alert, not enforceable) | Jan, Feb, Mar, Apr, May, Dec | IN00 |
| Solids, total suspended | monthly average | report only (mg/L) (alert, not enforceable) | Jun–Nov | IN00 |
| Solids, total suspended | monthly average | report only (mg/L) (alert, not enforceable) | Jun–Nov | IN00 |
| Solids, total suspended | maximum | report only (lb/d) (alert, not enforceable) | Jun–Nov | IN00 |
| Solids, total suspended | maximum | report only (lb/d) (alert, not enforceable) | Jun–Nov | IN00 |
| Solids, total suspended | maximum | report only (lb/d) (alert, not enforceable) | Jan, Feb, Mar, Apr, May, Dec | IN00 |
| Solids, total suspended | maximum | report only (lb/d) (alert, not enforceable) | Jan, Feb, Mar, Apr, May, Dec | IN00 |
| Solids, total suspended | monthly average | report only (lb/d) (alert, not enforceable) | Jun–Nov | IN00 |
| Solids, total suspended | monthly average | report only (lb/d) (alert, not enforceable) | Jun–Nov | IN00 |
| Solids, total suspended | monthly average | report only (lb/d) (alert, not enforceable) | Jan, Feb, Mar, Apr, May, Dec | IN00 |
| Solids, total suspended | monthly average | report only (lb/d) (alert, not enforceable) | Jan, Feb, Mar, Apr, May, Dec | IN00 |
| Nitrogen, ammonia total [as N] | maximum | report only (mg/L) (alert, not enforceable) | Jun–Nov | IN00 |
| Nitrogen, ammonia total [as N] | maximum | report only (mg/L) (alert, not enforceable) | Jun–Nov | IN00 |
| Nitrogen, ammonia total [as N] | maximum | report only (mg/L) (alert, not enforceable) | Jan, Feb, Mar, Apr, May, Dec | IN00 |
| Nitrogen, ammonia total [as N] | maximum | report only (mg/L) (alert, not enforceable) | Jan, Feb, Mar, Apr, May, Dec | IN00 |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) (alert, not enforceable) | Jun–Nov | IN00 |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) (alert, not enforceable) | Jun–Nov | IN00 |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) (alert, not enforceable) | Jan, Feb, Mar, Apr, May, Dec | IN00 |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) (alert, not enforceable) | Jan, Feb, Mar, Apr, May, Dec | IN00 |
| Flow | average | report only (gal/d) (alert, not enforceable) | all year | IN00 |
| Flow | average | report only (gal/d) (alert, not enforceable) | all year | IN00 |
| Flow | maximum | report only (gal/d) (alert, not enforceable) | all year | IN00 |
| Flow | maximum | report only (gal/d) (alert, not enforceable) | all year | IN00 |
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/WA0044831 · MCP: https://passage-data.com/mcp