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Sewage treatment plant, Camas, Washington. NPDES permit WA0020249, in force until Jul 31, 2030. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Temperature, water deg. centigrade | maximum | report only (deg C) (alert, not enforceable) | all year | 001 |
| Temperature, water deg. centigrade | monthly average | report only (deg C) (alert, not enforceable) | all year | 001 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 20 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 30 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 842 lb/d | all year | 001 |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 1264 lb/d | all year | 001 |
| Solids, total suspended | monthly average | ≤ 20 mg/L | all year | 001 |
| Solids, total suspended | weekly average | ≤ 30 mg/L | all year | 001 |
| Solids, total suspended | monthly average | ≤ 1017 lb/d | all year | 001 |
| Solids, total suspended | weekly average | ≤ 1525 lb/d | all year | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 7 mg/L | Jan, Feb, Mar, Apr, May, Oct, Nov, Dec | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 20 mg/L | Jun–Sep | 001 |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 11 mg/L | Jan, Feb, Mar, Apr, May, Oct, Nov, Dec | 001 |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 30 mg/L | Jun–Sep | 001 |
| Cyanide, weak acid, dissociable | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Arsenic, total [as As] | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Beryllium, total [as Be] | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Cadmium, total [as Cd] | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Chromium, hexavalent [as Cr] | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Chromium, total [as Cr] | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Copper, total [as Cu] | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Lead, total [as Pb] | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Thallium, total [as Tl] | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Nickel, total [as Ni] | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Silver, total [as Ag] | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Zinc, total [as Zn] | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Antimony, total [as Sb] | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Selenium, total [as Se] | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Phenolics, total | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| BOD, percent removal [total] | monthly average minimum | ≥ 85 % | all year | 001 |
| E. coli | maximum | report only (#/100mL) (alert, not enforceable) | all year | 001 |
| E. coli | monthly average | report only (#/100mL) (alert, not enforceable) | all year | 001 |
| Oil & grease, non-polar material | single reading | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Net rate of additionof heat | monthly average | ≤ 587 mkcal/day | Jun–Sep | 001 |
| pH, maximum | daily minimum | ≥ 6 SU | all year | 001 |
| pH, maximum | daily maximum | ≤ 9 SU | all year | 001 |
| pH, minimum | daily minimum | ≥ 6 SU | all year | 001 |
| pH, minimum | daily maximum | ≤ 9 SU | all year | 001 |
| Mercury, total [as Hg] | single reading | report only (ng/L) (alert, not enforceable) | all year | 001 |
| Coliform, fecal general | monthly geometric mean | ≤ 200 #/100mL | all year | 001 |
| Coliform, fecal general | weekly geometric mean | ≤ 400 #/100mL | all year | 001 |
| Flow | maximum | report only (MGD) (alert, not enforceable) | all year | 001 |
| Flow | monthly average | report only (MGD) (alert, not enforceable) | all year | 001 |
| Solids, suspended percent removal | monthly average minimum | ≥ 85 % | all year | 001 |
| BOD, 5-day, 20 deg. C | maximum | report only (mg/L) (alert, not enforceable) | all year | INF |
| BOD, 5-day, 20 deg. C | monthly average | report only (mg/L) (alert, not enforceable) | all year | INF |
| BOD, 5-day, 20 deg. C | maximum | report only (lb/d) (alert, not enforceable) | all year | INF |
| BOD, 5-day, 20 deg. C | monthly average | report only (lb/d) (alert, not enforceable) | all year | INF |
| pH | single reading | report only (SU) (alert, not enforceable) | all year | INF |
| Solids, total suspended | maximum | report only (mg/L) (alert, not enforceable) | all year | INF |
| Solids, total suspended | monthly average | report only (mg/L) (alert, not enforceable) | all year | INF |
| Solids, total suspended | maximum | report only (lb/d) (alert, not enforceable) | all year | INF |
| Solids, total suspended | monthly average | report only (lb/d) (alert, not enforceable) | all year | INF |
| Cyanide, weak acid, dissociable | single reading | report only (ug/L) (alert, not enforceable) | all year | INF |
| Arsenic, total [as As] | single reading | report only (ug/L) (alert, not enforceable) | all year | INF |
| Beryllium, total [as Be] | single reading | report only (ug/L) (alert, not enforceable) | all year | INF |
| Cadmium, total [as Cd] | single reading | report only (ug/L) (alert, not enforceable) | all year | INF |
| Chromium, hexavalent [as Cr] | single reading | report only (ug/L) (alert, not enforceable) | all year | INF |
| Chromium, total [as Cr] | single reading | report only (ug/L) (alert, not enforceable) | all year | INF |
| Copper, total [as Cu] | single reading | report only (ug/L) (alert, not enforceable) | all year | INF |
| Lead, total [as Pb] | single reading | report only (ug/L) (alert, not enforceable) | all year | INF |
| Thallium, total [as Tl] | single reading | report only (ug/L) (alert, not enforceable) | all year | INF |
| Molybdenum, total [as Mo] | single reading | report only (ug/L) (alert, not enforceable) | all year | INF |
| Nickel, total [as Ni] | single reading | report only (ug/L) (alert, not enforceable) | all year | INF |
| Silver, total [as Ag] | single reading | report only (ug/L) (alert, not enforceable) | all year | INF |
| Zinc, total [as Zn] | single reading | report only (ug/L) (alert, not enforceable) | all year | INF |
| Antimony, total [as Sb] | single reading | report only (ug/L) (alert, not enforceable) | all year | INF |
| Selenium, total [as Se] | single reading | report only (ug/L) (alert, not enforceable) | all year | INF |
| Phenolics, total | single reading | report only (ug/L) (alert, not enforceable) | all year | INF |
| Oil & grease, non-polar material | single reading | report only (mg/L) (alert, not enforceable) | all year | INF |
| Mercury, total [as Hg] | single reading | report only (ng/L) (alert, not enforceable) | all year | INF |
| Flow | maximum | report only (MGD) (alert, not enforceable) | all year | INF |
| Flow | monthly average | report only (MGD) (alert, not enforceable) | all year | INF |
| pH | single reading | report only (SU) (alert, not enforceable) | all year | SLDG |
| Beryllium, total [as Be] | single reading | report only (mg/kg) (alert, not enforceable) | all year | SLDG |
| Cadmium, total [as Cd] | single reading | report only (mg/kg) (alert, not enforceable) | all year | SLDG |
| Chromium, total [as Cr] | single reading | report only (mg/kg) (alert, not enforceable) | all year | SLDG |
| Lead, total dry weight [as Pb] | single reading | report only (mg/kg) (alert, not enforceable) | all year | SLDG |
| Thallium, total [as Tl] | single reading | report only (mg/kg) (alert, not enforceable) | all year | SLDG |
| Nickel, total [as Ni] | single reading | report only (mg/kg) (alert, not enforceable) | all year | SLDG |
| Silver, total [as Ag] | single reading | report only (mg/kg) (alert, not enforceable) | all year | SLDG |
| Zinc in bottom deposits [dry wgt] | single reading | report only (mg/kg) (alert, not enforceable) | all year | SLDG |
| Antimony, total [as Sb] | single reading | report only (mg/kg) (alert, not enforceable) | all year | SLDG |
| Selenium, total [as Se] | single reading | report only (mg/kg) (alert, not enforceable) | all year | SLDG |
| Arsenic total, dry weight, sludge | single reading | report only (mg/kg) (alert, not enforceable) | all year | SLDG |
| Mercury, tot in bot deposits [dry wgt] | single reading | report only (mg/kg) (alert, not enforceable) | all year | SLDG |
| Copper, sludge, total, dry weight [as Cu] | single reading | report only (mg/kg) (alert, not enforceable) | all year | SLDG |
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/WA0020249 · MCP: https://passage-data.com/mcp