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Sewage treatment plant, major discharger, Woodinville, Washington. NPDES permit WA0032247 expired Feb 28, 2023; its limits still apply. Last 12 months: no values over a limit, 6 required values missing. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Temperature, water deg. centigrade | single reading | report only (deg C) (alert, not enforceable) | all year | 001 |
| Temperature, water deg. centigrade | single reading | report only (deg C) (alert, not enforceable) | all year | 001 |
| Oxygen, dissolved [DO] | single reading | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Oxygen, dissolved [DO] | single reading | report only (mg/L) (alert, not enforceable) | all year | 001 |
| BOD, 5-day, 20 deg. C | average | ≤ 30 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | average | ≤ 30 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 45 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 45 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | average | ≤ 10233 lb/d | all year | 001 |
| BOD, 5-day, 20 deg. C | average | ≤ 10233 lb/d | all year | 001 |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 15350 lb/d | all year | 001 |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 15350 lb/d | all year | 001 |
| Solids, total suspended | average | ≤ 30 mg/L | all year | 001 |
| Solids, total suspended | average | ≤ 30 mg/L | all year | 001 |
| Solids, total suspended | weekly average | ≤ 45 mg/L | all year | 001 |
| Solids, total suspended | weekly average | ≤ 45 mg/L | all year | 001 |
| Solids, total suspended | average | ≤ 10233 lb/d | all year | 001 |
| Solids, total suspended | average | ≤ 10233 lb/d | all year | 001 |
| Solids, total suspended | weekly average | ≤ 15350 lb/d | all year | 001 |
| Solids, total suspended | weekly average | ≤ 15350 lb/d | all year | 001 |
| Oil and grease, hexane extr method | single reading | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Oil and grease, hexane extr method | single reading | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Nitrogen, ammonia total [as N] | maximum | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Nitrogen, ammonia total [as N] | maximum | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Nitrogen, Kjeldahl, total [as N] | maximum | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Nitrogen, Kjeldahl, total [as N] | maximum | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Nitrite + Nitrate total [as N] | maximum | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Nitrite + Nitrate total [as N] | maximum | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Phosphorus, total [as P] | maximum | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Phosphorus, total [as P] | maximum | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Phosphorus, dissolved reactive [drp as P] | maximum | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Phosphorus, dissolved reactive [drp as P] | maximum | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Cyanide, total [as CN] | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Cyanide, total [as CN] | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Hardness, total [as CaCO3] | single reading | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Hardness, total [as CaCO3] | single reading | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Arsenic, total [as As] | 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 |
| 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 |
| Cadmium, total [as Cd] | 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| Selenium, total [as Se] | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Chromium, hexavalent dissolved [as Cr] | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Chromium, hexavalent dissolved [as Cr] | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Total phenols | single reading | report only (ug/L) | all year | 001 |
| Phenolics, total | single reading | report only (ug/L) (alert, not enforceable) | all year | 001 |
| Chlorine, total residual | average | ≤ .5 mg/L | all year | 001 |
| Chlorine, total residual | average | ≤ .5 mg/L | all year | 001 |
| Chlorine, total residual | weekly average | ≤ .75 mg/L | all year | 001 |
| Chlorine, total residual | weekly average | ≤ .75 mg/L | all year | 001 |
| BOD, percent removal [total] | monthly average minimum | ≥ 85 % | all year | 001 |
| BOD, percent removal [total] | monthly average minimum | ≥ 85 % | all year | 001 |
| pH, maximum | daily maximum | ≤ 9 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 minimum | ≥ 6 SU | all year | 001 |
| Solids, total dissolved | single reading | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Solids, total dissolved | single reading | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Mercury, total [as Hg] | single reading | report only (ng/L) (alert, not enforceable) | 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 | monthly geometric mean | ≤ 200 #/100mL | all year | 001 |
| Coliform, fecal general | weekly geometric mean | ≤ 400 #/100mL | all year | 001 |
| Coliform, fecal general | weekly geometric mean | ≤ 400 #/100mL | all year | 001 |
| Flow | average | report only (MGD) (alert, not enforceable) | all year | 001 |
| Flow | average | report only (MGD) (alert, not enforceable) | all year | 001 |
| Flow | maximum | report only (MGD) (alert, not enforceable) | all year | 001 |
| Flow | maximum | report only (MGD) (alert, not enforceable) | all year | 001 |
| Solids, suspended percent removal | monthly average minimum | ≥ 85 % | all year | 001 |
| Solids, suspended percent removal | monthly average minimum | ≥ 85 % | all year | 001 |
| pH | single reading | report only (SU) (alert, not enforceable) | all year | 001B |
| pH | single reading | report only (SU) (alert, not enforceable) | all year | 001B |
| Cyanide, total [as CN] | single reading | report only (mg/kg) (alert, not enforceable) | all year | 001B |
| Cyanide, total [as CN] | single reading | report only (mg/kg) (alert, not enforceable) | all year | 001B |
| Beryllium, total [as Be] | single reading | report only (mg/kg) (alert, not enforceable) | all year | 001B |
| Beryllium, total [as Be] | single reading | report only (mg/kg) (alert, not enforceable) | all year | 001B |
| Cadmium, total [as Cd] | single reading | report only (mg/kg) (alert, not enforceable) | all year | 001B |
| Cadmium, total [as Cd] | single reading | report only (mg/kg) (alert, not enforceable) | all year | 001B |
| Chromium, total [as Cr] | single reading | report only (mg/kg) (alert, not enforceable) | all year | 001B |
| Chromium, total [as Cr] | single reading | report only (mg/kg) (alert, not enforceable) | all year | 001B |
| Lead, total dry weight [as Pb] | single reading | report only (mg/kg) (alert, not enforceable) | all year | 001B |
| Lead, total dry weight [as Pb] | single reading | report only (mg/kg) (alert, not enforceable) | all year | 001B |
| Thallium, total [as Tl] | single reading | report only (mg/kg) (alert, not enforceable) | all year | 001B |
| Thallium, total [as Tl] | single reading | report only (mg/kg) (alert, not enforceable) | all year | 001B |
| Nickel, total [as Ni] | single reading | report only (mg/kg) (alert, not enforceable) | all year | 001B |
| Nickel, total [as Ni] | single reading | report only (mg/kg) (alert, not enforceable) | all year | 001B |
| Silver, total [as Ag] | single reading | report only (mg/kg) (alert, not enforceable) | all year | 001B |
| Silver, total [as Ag] | single reading | report only (mg/kg) (alert, not enforceable) | all year | 001B |
| Zinc in bottom deposits [dry wgt] | single reading | report only (mg/kg) (alert, not enforceable) | all year | 001B |
| Zinc in bottom deposits [dry wgt] | single reading | report only (mg/kg) (alert, not enforceable) | all year | 001B |
| Antimony, total [as Sb] | single reading | report only (mg/kg) (alert, not enforceable) | all year | 001B |
| Antimony, total [as Sb] | single reading | report only (mg/kg) (alert, not enforceable) | all year | 001B |
| Selenium, total [as Se] | single reading | report only (mg/kg) (alert, not enforceable) | all year | 001B |
| Selenium, total [as Se] | single reading | report only (mg/kg) (alert, not enforceable) | all year | 001B |
| Total phenols | single reading | report only (mg/kg) | all year | 001B |
| Phenolics, total | single reading | report only (mg/kg) (alert, not enforceable) | all year | 001B |
| Arsenic total, dry weight, sludge | single reading | report only (mg/kg) (alert, not enforceable) | all year | 001B |
| Arsenic total, dry weight, sludge | single reading | report only (mg/kg) (alert, not enforceable) | all year | 001B |
| Mercury, tot in bot deposits [dry wgt] | single reading | report only (mg/kg) (alert, not enforceable) | all year | 001B |
| Mercury, tot in bot deposits [dry wgt] | single reading | report only (mg/kg) (alert, not enforceable) | all year | 001B |
| Copper, sludge, total, dry weight [as Cu] | single reading | report only (mg/kg) (alert, not enforceable) | all year | 001B |
| Copper, sludge, total, dry weight [as Cu] | single reading | report only (mg/kg) (alert, not enforceable) | all year | 001B |
| Rainfall duration | average | report only (hr) (alert, not enforceable) | all year | CEPC |
| Rainfall duration | average | report only (hr) (alert, not enforceable) | all year | CEPC |
| BOD, 5-day, 20 deg. C | maximum | report only (mg/L) (alert, not enforceable) | all year | CEPC |
| BOD, 5-day, 20 deg. C | maximum | report only (mg/L) (alert, not enforceable) | all year | CEPC |
| pH | maximum | report only (SU) (alert, not enforceable) | all year | CEPC |
| pH | maximum | report only (SU) (alert, not enforceable) | all year | CEPC |
| pH | minimum | report only (SU) (alert, not enforceable) | all year | CEPC |
| pH | minimum | report only (SU) (alert, not enforceable) | all year | CEPC |
| Solids, total suspended | maximum | report only (mg/L) (alert, not enforceable) | all year | CEPC |
| Solids, total suspended | maximum | report only (mg/L) (alert, not enforceable) | all year | CEPC |
| Arsenic, total [as As] | single reading | report only (ug/L) (alert, not enforceable) | all year | CEPC |
| Arsenic, total [as As] | single reading | report only (ug/L) (alert, not enforceable) | all year | CEPC |
| Beryllium, total [as Be] | single reading | report only (ug/L) (alert, not enforceable) | all year | CEPC |
| Beryllium, total [as Be] | single reading | report only (ug/L) (alert, not enforceable) | all year | CEPC |
| Cadmium, total [as Cd] | single reading | report only (ug/L) (alert, not enforceable) | all year | CEPC |
| Cadmium, total [as Cd] | single reading | report only (ug/L) (alert, not enforceable) | all year | CEPC |
| Chromium, total [as Cr] | single reading | report only (ug/L) (alert, not enforceable) | all year | CEPC |
| Chromium, total [as Cr] | single reading | report only (ug/L) (alert, not enforceable) | all year | CEPC |
| Copper, total [as Cu] | single reading | report only (ug/L) (alert, not enforceable) | all year | CEPC |
| Copper, total [as Cu] | single reading | report only (ug/L) (alert, not enforceable) | all year | CEPC |
| Lead, total [as Pb] | single reading | report only (ug/L) (alert, not enforceable) | all year | CEPC |
| Lead, total [as Pb] | single reading | report only (ug/L) (alert, not enforceable) | all year | CEPC |
| Thallium, total [as Tl] | single reading | report only (ug/L) (alert, not enforceable) | all year | CEPC |
| Thallium, total [as Tl] | single reading | report only (ug/L) (alert, not enforceable) | all year | CEPC |
| Nickel, total [as Ni] | single reading | report only (ug/L) (alert, not enforceable) | all year | CEPC |
| Nickel, total [as Ni] | single reading | report only (ug/L) (alert, not enforceable) | all year | CEPC |
| Silver, total [as Ag] | single reading | report only (ug/L) (alert, not enforceable) | all year | CEPC |
| Silver, total [as Ag] | single reading | report only (ug/L) (alert, not enforceable) | all year | CEPC |
| Zinc, total [as Zn] | single reading | report only (ug/L) (alert, not enforceable) | all year | CEPC |
| Zinc, total [as Zn] | single reading | report only (ug/L) (alert, not enforceable) | all year | CEPC |
| Antimony, total [as Sb] | single reading | report only (ug/L) (alert, not enforceable) | all year | CEPC |
| Antimony, total [as Sb] | single reading | report only (ug/L) (alert, not enforceable) | all year | CEPC |
| Selenium, total [as Se] | single reading | report only (ug/L) (alert, not enforceable) | all year | CEPC |
| Selenium, total [as Se] | single reading | report only (ug/L) (alert, not enforceable) | all year | CEPC |
| Chromium, hexavalent dissolved [as Cr] | single reading | report only (ug/L) (alert, not enforceable) | all year | CEPC |
| Chromium, hexavalent dissolved [as Cr] | single reading | report only (ug/L) (alert, not enforceable) | all year | CEPC |
| Rainfall | average | report only (in) (alert, not enforceable) | all year | CEPC |
| Rainfall | average | report only (in) (alert, not enforceable) | all year | CEPC |
| Duration | average | report only (hr) (alert, not enforceable) | all year | CEPC |
| Duration | average | report only (hr) (alert, not enforceable) | all year | CEPC |
| BOD, percent removal [total] | minimum | report only (%) (alert, not enforceable) | all year | CEPC |
| BOD, percent removal [total] | minimum | report only (%) (alert, not enforceable) | all year | CEPC |
| Volume, total | average | report only (Mgal) (alert, not enforceable) | all year | CEPC |
| Volume, total | average | report only (Mgal) (alert, not enforceable) | all year | CEPC |
| Mercury, total [as Hg] | single reading | report only (ng/L) (alert, not enforceable) | all year | CEPC |
| Mercury, total [as Hg] | single reading | report only (ng/L) (alert, not enforceable) | all year | CEPC |
| Flow | maximum | report only (MGD) (alert, not enforceable) | all year | CEPC |
| Flow | maximum | report only (MGD) (alert, not enforceable) | all year | CEPC |
| Pressure difference | maximum | report only (lbf/in) (alert, not enforceable) | all year | CEPC |
| Pressure difference | maximum | report only (lbf/in) (alert, not enforceable) | all year | CEPC |
| Solids, suspended percent removal | minimum | report only (%) (alert, not enforceable) | all year | CEPC |
| Solids, suspended percent removal | minimum | report only (%) (alert, not enforceable) | all year | CEPC |
| BOD, 5-day, 20 deg. C | average | report only (mg/L) (alert, not enforceable) | all year | IN1 |
| BOD, 5-day, 20 deg. C | average | report only (mg/L) (alert, not enforceable) | all year | IN1 |
| BOD, 5-day, 20 deg. C | maximum | report only (mg/L) (alert, not enforceable) | all year | IN1 |
| BOD, 5-day, 20 deg. C | maximum | report only (mg/L) (alert, not enforceable) | all year | IN1 |
| BOD, 5-day, 20 deg. C | average | report only (lb/d) (alert, not enforceable) | all year | IN1 |
| BOD, 5-day, 20 deg. C | average | report only (lb/d) (alert, not enforceable) | all year | IN1 |
| BOD, 5-day, 20 deg. C | maximum | report only (lb/d) (alert, not enforceable) | all year | IN1 |
| BOD, 5-day, 20 deg. C | maximum | report only (lb/d) (alert, not enforceable) | all year | IN1 |
| pH | single reading | report only (SU) (alert, not enforceable) | all year | IN1 |
| pH | single reading | report only (SU) (alert, not enforceable) | all year | IN1 |
| Solids, total suspended | average | report only (mg/L) (alert, not enforceable) | all year | IN1 |
| Solids, total suspended | average | report only (mg/L) (alert, not enforceable) | all year | IN1 |
| Solids, total suspended | maximum | report only (mg/L) (alert, not enforceable) | all year | IN1 |
| Solids, total suspended | maximum | report only (mg/L) (alert, not enforceable) | all year | IN1 |
| Solids, total suspended | average | report only (lb/d) (alert, not enforceable) | all year | IN1 |
| Solids, total suspended | average | report only (lb/d) (alert, not enforceable) | all year | IN1 |
| Solids, total suspended | maximum | report only (lb/d) (alert, not enforceable) | all year | IN1 |
| Solids, total suspended | maximum | report only (lb/d) (alert, not enforceable) | all year | IN1 |
| Oil and grease, hexane extr method | single reading | report only (mg/L) (alert, not enforceable) | all year | IN1 |
| Oil and grease, hexane extr method | single reading | report only (mg/L) (alert, not enforceable) | all year | IN1 |
| Cyanide, total [as CN] | single reading | report only (ug/L) (alert, not enforceable) | all year | IN1 |
| Cyanide, total [as CN] | single reading | report only (ug/L) (alert, not enforceable) | all year | IN1 |
| Arsenic, total [as As] | single reading | report only (ug/L) (alert, not enforceable) | all year | IN1 |
| Arsenic, total [as As] | single reading | report only (ug/L) (alert, not enforceable) | all year | IN1 |
| Beryllium, total [as Be] | single reading | report only (ug/L) (alert, not enforceable) | all year | IN1 |
| Beryllium, total [as Be] | single reading | report only (ug/L) (alert, not enforceable) | all year | IN1 |
| Cadmium, total [as Cd] | single reading | report only (ug/L) (alert, not enforceable) | all year | IN1 |
| Cadmium, total [as Cd] | single reading | report only (ug/L) (alert, not enforceable) | all year | IN1 |
| Chromium, total [as Cr] | single reading | report only (ug/L) (alert, not enforceable) | all year | IN1 |
| Chromium, total [as Cr] | single reading | report only (ug/L) (alert, not enforceable) | all year | IN1 |
| Copper, total [as Cu] | single reading | report only (ug/L) (alert, not enforceable) | all year | IN1 |
| Copper, total [as Cu] | single reading | report only (ug/L) (alert, not enforceable) | all year | IN1 |
| Lead, total [as Pb] | single reading | report only (ug/L) (alert, not enforceable) | all year | IN1 |
| Lead, total [as Pb] | single reading | report only (ug/L) (alert, not enforceable) | all year | IN1 |
| Thallium, total [as Tl] | single reading | report only (ug/L) (alert, not enforceable) | all year | IN1 |
| Thallium, total [as Tl] | single reading | report only (ug/L) (alert, not enforceable) | all year | IN1 |
| Nickel, total [as Ni] | single reading | report only (ug/L) (alert, not enforceable) | all year | IN1 |
| Nickel, total [as Ni] | single reading | report only (ug/L) (alert, not enforceable) | all year | IN1 |
| Silver, total [as Ag] | single reading | report only (ug/L) (alert, not enforceable) | all year | IN1 |
| Silver, total [as Ag] | single reading | report only (ug/L) (alert, not enforceable) | all year | IN1 |
| Zinc, total [as Zn] | single reading | report only (ug/L) (alert, not enforceable) | all year | IN1 |
| Zinc, total [as Zn] | single reading | report only (ug/L) (alert, not enforceable) | all year | IN1 |
| Antimony, total [as Sb] | single reading | report only (ug/L) (alert, not enforceable) | all year | IN1 |
| Antimony, total [as Sb] | single reading | report only (ug/L) (alert, not enforceable) | all year | IN1 |
| Selenium, total [as Se] | single reading | report only (ug/L) (alert, not enforceable) | all year | IN1 |
| Selenium, total [as Se] | single reading | report only (ug/L) (alert, not enforceable) | all year | IN1 |
| Chromium, hexavalent dissolved [as Cr] | single reading | report only (ug/L) (alert, not enforceable) | all year | IN1 |
| Chromium, hexavalent dissolved [as Cr] | single reading | report only (ug/L) (alert, not enforceable) | all year | IN1 |
| Total phenols | single reading | report only (ug/L) | all year | IN1 |
| Phenolics, total | single reading | report only (ug/L) (alert, not enforceable) | all year | IN1 |
| Mercury, total [as Hg] | single reading | report only (ng/L) (alert, not enforceable) | all year | IN1 |
| Mercury, total [as Hg] | single reading | report only (ng/L) (alert, not enforceable) | all year | IN1 |
| Flow | average | report only (MGD) (alert, not enforceable) | all year | IN1 |
| Flow | average | report only (MGD) (alert, not enforceable) | all year | IN1 |
| Flow | maximum | report only (MGD) (alert, not enforceable) | all year | IN1 |
| Flow | maximum | report only (MGD) (alert, not enforceable) | all year | IN1 |
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/WA0032247 · MCP: https://passage-data.com/mcp