Passage Data · Check a report · Use it from your AI
Sewage treatment plant, major discharger, Spokane, Washington. NPDES permit WA0024473, in force until Aug 31, 2027. Last 12 months: no values over a limit, 149 required values missing. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Flow | maximum | report only (MGD) (alert, not enforceable) | all year | 0000 |
| Flow | monthly average | report only (MGD) (alert, not enforceable) | all year | 0000 |
| Chlorine, total residual | monthly average | ≤ 8.5 ug/L | all year | 0007 |
| Chlorine, total residual | monthly average | ≤ 3.06 lb/d | all year | 0008 |
| Temperature, water deg. centigrade | maximum | report only (deg C) (alert, not enforceable) | all year | 0010 |
| Oxygen, dissolved [DO] | minimum | report only (mg/L) (alert, not enforceable) | all year | 0010 |
| pH | maximum | report only (SU) (alert, not enforceable) | all year | 0010 |
| pH | minimum | report only (SU) (alert, not enforceable) | all year | 0010 |
| Alkalinity, total [as CaCO3] | maximum | report only (mg/L) (alert, not enforceable) | all year | 0010 |
| Alkalinity, total [as CaCO3] | monthly average | report only (mg/L) (alert, not enforceable) | all year | 0010 |
| Solids, total suspended | maximum | report only (mg/L) (alert, not enforceable) | all year | 0010 |
| Solids, total suspended | monthly average | report only (mg/L) (alert, not enforceable) | all year | 0010 |
| Solids, total suspended | maximum | report only (lb/d) (alert, not enforceable) | all year | 0010 |
| Solids, total suspended | monthly average | report only (lb/d) (alert, not enforceable) | all year | 0010 |
| Nitrogen, ammonia total [as N] | maximum | report only (mg/L) (alert, not enforceable) | all year | 0010 |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) (alert, not enforceable) | all year | 0010 |
| Nitrogen, ammonia total [as N] | maximum | report only (lb/d) (alert, not enforceable) | all year | 0010 |
| Nitrogen, ammonia total [as N] | monthly average | report only (lb/d) (alert, not enforceable) | all year | 0010 |
| Phosphorus, total [as P] | maximum | report only (ug/L) (alert, not enforceable) | all year | 0010 |
| Phosphorus, total [as P] | monthly average | report only (ug/L) (alert, not enforceable) | all year | 0010 |
| Phosphorus, total [as P] | maximum | report only (lb/d) (alert, not enforceable) | all year | 0010 |
| Phosphorus, total [as P] | monthly average | report only (lb/d) (alert, not enforceable) | all year | 0010 |
| Phosphorus, dissolved reactive [drp as P] | maximum | report only (ug/L) (alert, not enforceable) | all year | 0010 |
| Phosphorus, dissolved reactive [drp as P] | monthly average | report only (ug/L) (alert, not enforceable) | all year | 0010 |
| Hardness, total [as CaCO3] | maximum | report only (mg/L) (alert, not enforceable) | all year | 0010 |
| Hardness, total [as CaCO3] | monthly average | report only (mg/L) (alert, not enforceable) | all year | 0010 |
| Cadmium, total [as Cd] | maximum | report only (ug/L) (alert, not enforceable) | all year | 0010 |
| Cadmium, total [as Cd] | monthly average | report only (ug/L) (alert, not enforceable) | all year | 0010 |
| Lead, total [as Pb] | maximum | report only (ug/L) (alert, not enforceable) | all year | 0010 |
| Lead, total [as Pb] | monthly average | report only (ug/L) (alert, not enforceable) | all year | 0010 |
| Zinc, total [as Zn] | maximum | report only (ug/L) (alert, not enforceable) | all year | 0010 |
| Zinc, total [as Zn] | monthly average | report only (ug/L) (alert, not enforceable) | all year | 0010 |
| Polybrominated Diphenyl Ethers | maximum | report only (pg/L) (alert, not enforceable) | all year | 0010 |
| Polybrominated Diphenyl Ethers | monthly average | report only (pg/L) (alert, not enforceable) | all year | 0010 |
| Polychlorinated biphenyls [PCBs] | single reading | report only (pg/L) (alert, not enforceable) | all year | 0010 |
| Polychlorinated biphenyls [PCBs] | monthly average | report only (pg/L) (alert, not enforceable) | all year | 0010 |
| Chlorine, total residual | maximum | report only (ug/L) (alert, not enforceable) | all year | 0010 |
| Chlorine, total residual | monthly average | report only (ug/L) (alert, not enforceable) | all year | 0010 |
| E. coli | monthly geometric mean | report only (#/100mL) (alert, not enforceable) | all year | 0010 |
| E. coli | weekly geometric mean | report only (#/100mL) (alert, not enforceable) | all year | 0010 |
| Coliform, fecal general | monthly geometric mean | report only (#/100mL) (alert, not enforceable) | all year | 0010 |
| Coliform, fecal general | weekly geometric mean | report only (#/100mL) (alert, not enforceable) | all year | 0010 |
| BOD, carbonaceous [5 day, 20 C] | maximum | report only (mg/L) (alert, not enforceable) | all year | 0010 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | report only (mg/L) (alert, not enforceable) | all year | 0010 |
| BOD, carbonaceous [5 day, 20 C] | maximum | report only (lb/d) (alert, not enforceable) | all year | 0010 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | report only (lb/d) (alert, not enforceable) | all year | 0010 |
| Solids, suspended percent removal | monthly average | report only (%) (alert, not enforceable) | all year | 0010 |
| Carbonaceous oxygen demand, % removal | monthly average | report only (%) (alert, not enforceable) | all year | 0010 |
| Precipitation, monthly accumulation | monthly total | report only (in/mo) (alert, not enforceable) | all year | 0011 |
| Bypass Volume | single reading | report only (Mgal) (alert, not enforceable) | all year | 0012 |
| Duration of discharge | single reading | report only (hr) (alert, not enforceable) | all year | 0013 |
| Temperature, water deg. centigrade | maximum | report only (deg C) (alert, not enforceable) | all year | 005A |
| Oxygen, dissolved [DO] | minimum | report only (mg/L) (alert, not enforceable) | all year | 005A |
| Alkalinity, total [as CaCO3] | maximum | report only (mg/L) (alert, not enforceable) | all year | 005A |
| Alkalinity, total [as CaCO3] | monthly average | report only (mg/L) (alert, not enforceable) | all year | 005A |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 005A |
| Solids, total suspended | weekly average | ≤ 45 mg/L | all year | 005A |
| Solids, total suspended | monthly average | ≤ 10660 lb/d | all year | 005A |
| Solids, total suspended | weekly average | ≤ 15990 lb/d | all year | 005A |
| Solids, total suspended | monthly average | ≤ 10660 lb/d | all year | 005A |
| Oil and grease, hexane extr method | single reading | report only (mg/L) (alert, not enforceable) | all year | 005A |
| Nitrogen, ammonia total [as N] | maximum | report only (mg/L) (alert, not enforceable) | all year | 005A |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) (alert, not enforceable) | all year | 005A |
| Nitrogen, ammonia total [as N] | maximum | report only (lb/d) (alert, not enforceable) | all year | 005A |
| Nitrogen, ammonia total [as N] | monthly average | report only (lb/d) (alert, not enforceable) | all year | 005A |
| Nitrogen, Kjeldahl, total [as N] | maximum | report only (mg/L) (alert, not enforceable) | all year | 005A |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (mg/L) (alert, not enforceable) | all year | 005A |
| Nitrite + Nitrate total [as N] | maximum | report only (mg/L) (alert, not enforceable) | all year | 005A |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) (alert, not enforceable) | all year | 005A |
| Phosphorus, total [as P] | maximum | report only (ug/L) (alert, not enforceable) | all year | 005A |
| Phosphorus, total [as P] | monthly average | report only (ug/L) (alert, not enforceable) | all year | 005A |
| Phosphorus, total [as P] | maximum | report only (lb/d) (alert, not enforceable) | all year | 005A |
| Phosphorus, total [as P] | monthly average | report only (lb/d) (alert, not enforceable) | all year | 005A |
| Phosphorus, dissolved reactive [drp as P] | maximum | report only (ug/L) (alert, not enforceable) | all year | 005A |
| Phosphorus, dissolved reactive [drp as P] | monthly average | report only (ug/L) (alert, not enforceable) | all year | 005A |
| Cyanide, total [as CN] | single reading | report only (ug/L) (alert, not enforceable) | all year | 005A |
| Hardness, total [as CaCO3] | maximum | report only (mg/L) (alert, not enforceable) | all year | 005A |
| Hardness, total [as CaCO3] | monthly average | report only (mg/L) (alert, not enforceable) | all year | 005A |
| Chloride [as Cl] | single reading | report only (mg/L) (alert, not enforceable) | all year | 005A |
| Arsenic, total [as As] | single reading | report only (ug/L) (alert, not enforceable) | all year | 005A |
| Beryllium, total [as Be] | single reading | report only (ug/L) (alert, not enforceable) | all year | 005A |
| Cadmium, total [as Cd] | monthly average | ≤ .066 ug/L | all year | 005A |
| Chromium, hexavalent [as Cr] | single reading | report only (ug/L) (alert, not enforceable) | all year | 005A |
| Chromium, trivalent [as Cr] | single reading | report only (ug/L) (alert, not enforceable) | all year | 005A |
| Chromium, total [as Cr] | single reading | report only (ug/L) (alert, not enforceable) | all year | 005A |
| Copper, total [as Cu] | single reading | report only (ug/L) (alert, not enforceable) | all year | 005A |
| Lead, total [as Pb] | monthly average | ≤ .583 ug/L | all year | 005A |
| Thallium, total [as Tl] | single reading | report only (ug/L) (alert, not enforceable) | all year | 005A |
| Molybdenum, total [as Mo] | single reading | report only (ug/L) (alert, not enforceable) | all year | 005A |
| Nickel, total [as Ni] | single reading | report only (ug/L) (alert, not enforceable) | all year | 005A |
| Silver, total [as Ag] | single reading | report only (ug/L) (alert, not enforceable) | all year | 005A |
| Zinc, total [as Zn] | monthly average | ≤ 46.7 ug/L | all year | 005A |
| Antimony, total [as Sb] | single reading | report only (ug/L) (alert, not enforceable) | all year | 005A |
| Aluminum, total [as Al] | single reading | report only (ug/L) (alert, not enforceable) | all year | 005A |
| Selenium, total [as Se] | single reading | report only (ug/L) (alert, not enforceable) | all year | 005A |
| Polybrominated Diphenyl Ethers | single reading | report only (pg/L) (alert, not enforceable) | all year | 005A |
| Toluene | single reading | report only (ug/L) (alert, not enforceable) | all year | 005A |
| Benzene | single reading | report only (ug/L) (alert, not enforceable) | all year | 005A |
| Ethylbenzene | single reading | report only (ug/L) (alert, not enforceable) | all year | 005A |
| Polychlorinated biphenyls [PCBs] | single reading | report only (pg/L) (alert, not enforceable) | all year | 005A |
| Polychlorinated biphenyls [PCBs] | maximum | ≤ 1994 pg/L | all year | 005A |
| Polychlorinated biphenyls [PCBs] | monthly average | ≤ 720 pg/L | all year | 005A |
| E. coli | monthly geometric mean | ≤ 100 #/100mL | all year | 005A |
| E. coli | weekly geometric mean | ≤ 150 #/100mL | all year | 005A |
| E. coli | monthly geometric mean | ≤ 100 #/100mL | all year | 005A |
| Oil & grease, non-polar material | single reading | report only (mg/L) (alert, not enforceable) | all year | 005A |
| pH, maximum | daily maximum | ≤ 9 SU | all year | 005A |
| pH, minimum | daily minimum | ≥ 6 SU | all year | 005A |
| Solids, total dissolved | single reading | report only (mg/L) (alert, not enforceable) | all year | 005A |
| Mercury, total [as Hg] | single reading | report only (ng/L) (alert, not enforceable) | all year | 005A |
| Coliform, fecal general | weekly geometric mean | report only (#/100mL) (alert, not enforceable) | all year | 005A |
| Coliform, fecal general | monthly geometric mean | report only (MPN/100mL) (alert, not enforceable) | all year | 005A |
| Coliform, fecal general | monthly geometric mean | report only (MPN/100mL) (alert, not enforceable) | all year | 005A |
| Flow | maximum | report only (MGD) (alert, not enforceable) | all year | 005A |
| Flow | monthly average | report only (MGD) (alert, not enforceable) | all year | 005A |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 25 mg/L | all year | 005A |
| BOD, carbonaceous [5 day, 20 C] | weekly average | ≤ 40 mg/L | all year | 005A |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 14199 lb/d | all year | 005A |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 14199 lb/d | all year | 005A |
| BOD, carbonaceous [5 day, 20 C] | weekly average | ≤ 22718 lb/d | all year | 005A |
| BOD, carbonaceous [5 day, 20 C] | weekly average | ≤ 22718 lb/d | all year | 005A |
| Solids, suspended percent removal | monthly average minimum | ≥ 85 % | all year | 005A |
| Carbonaceous oxygen demand, % removal | monthly average minimum | ≥ 85 % | all year | 005A |
| Xylene [mix of m+o+p] | single reading | report only (ug/L) (alert, not enforceable) | all year | 005A |
| TCDD equivalents | single reading | report only (pg/L) (alert, not enforceable) | all year | 005A |
| Temperature, water deg. centigrade | maximum | report only (deg C) (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 | monthly average | report only (mg/L) (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 | monthly average | report only (lb/d) (alert, not enforceable) | all year | IN1 |
| Solids, total suspended | maximum | report only (mg/L) (alert, not enforceable) | all year | IN1 |
| Solids, total suspended | monthly average | report only (mg/L) (alert, not enforceable) | all year | IN1 |
| Solids, total suspended | maximum | report only (lb/d) (alert, not enforceable) | all year | IN1 |
| Solids, total suspended | monthly average | 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 |
| Nitrogen, ammonia total [as N] | maximum | report only (mg/L) (alert, not enforceable) | all year | IN1 |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) (alert, not enforceable) | all year | IN1 |
| Phosphorus, total [as P] | maximum | report only (mg/L) (alert, not enforceable) | all year | IN1 |
| Phosphorus, total [as P] | monthly average | 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 |
| Chloride [as Cl] | 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 |
| Cadmium, total [as Cd] | single reading | report only (ug/L) (alert, not enforceable) | all year | IN1 |
| Chromium, hexavalent [as Cr] | single reading | report only (ug/L) (alert, not enforceable) | all year | IN1 |
| Chromium, trivalent [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 |
| 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 |
| Molybdenum, total [as Mo] | 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 |
| 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 |
| Aluminum, total [as Al] | 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 |
| Total phenols | single reading | report only (ug/L) | all year | IN1 |
| Polybrominated Diphenyl Ethers | single reading | report only (pg/L) (alert, not enforceable) | all year | IN1 |
| Toluene | single reading | report only (ug/L) (alert, not enforceable) | all year | IN1 |
| Benzene | single reading | report only (ug/L) (alert, not enforceable) | all year | IN1 |
| Phenolics, total | single reading | report only (ug/L) (alert, not enforceable) | all year | IN1 |
| Ethylbenzene | single reading | report only (ug/L) (alert, not enforceable) | all year | IN1 |
| 2,3,7,8-Tetrachlorodibenzo-p-dioxin | single reading | report only (pg/L) (alert, not enforceable) | all year | IN1 |
| Polychlorinated biphenyls [PCBs] | single reading | report only (pg/L) (alert, not enforceable) | all year | IN1 |
| Phenols | single reading | report only (ug/L) (alert, not enforceable) | all year | IN1 |
| Oil & grease, non-polar material | single reading | report only (mg/L) (alert, not enforceable) | all year | IN1 |
| pH, maximum | maximum | report only (SU) (alert, not enforceable) | all year | IN1 |
| pH, minimum | minimum | report only (SU) (alert, not enforceable) | all year | IN1 |
| Solids, total dissolved | 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 |
| Flow | maximum | report only (MGD) (alert, not enforceable) | Mar–Oct | IN1 |
| Flow | maximum | report only (MGD) (alert, not enforceable) | Jan, Feb, Nov, Dec | IN1 |
| Flow | monthly average | report only (MGD) (alert, not enforceable) | Mar–Oct | IN1 |
| Flow | monthly average | report only (MGD) (alert, not enforceable) | Jan, Feb, Nov, Dec | IN1 |
| BOD, carbonaceous [5 day, 20 C] | maximum | report only (mg/L) (alert, not enforceable) | all year | IN1 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | report only (mg/L) (alert, not enforceable) | all year | IN1 |
| BOD, carbonaceous [5 day, 20 C] | maximum | report only (lb/d) (alert, not enforceable) | all year | IN1 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | report only (lb/d) (alert, not enforceable) | all year | IN1 |
| Xylene [mix of m+o+p] | single reading | report only (ug/L) (alert, not enforceable) | all year | IN1 |
| Chlorine, total residual | maximum | ≤ 22 ug/L | all year | SHI1 |
| Chlorine, total residual | maximum | ≤ 17.5 lb/d | all year | SHI1 |
| Chlorine, total residual | maximum | ≤ 22 ug/L | all year | SHI2 |
| Chlorine, total residual | maximum | ≤ 17.5 lb/d | all year | SHI2 |
| Chlorine, total residual | maximum | ≤ 22 ug/L | all year | SHI3 |
| Chlorine, total residual | maximum | ≤ 17.5 lb/d | all year | SHI3 |
Cited limits by parameter: Washington's rules and the federal ones.
· Save this facility as a site · Superfund sites nearby · Your permits on one board
On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/WA0024473 · MCP: https://passage-data.com/mcp