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City of Toledo

Sewage treatment plant, Toledo, Washington. NPDES permit WA0036986, in force until Nov 30, 2028. Last 12 months: no values over a limit, 1 of 25 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: outfall 001 form M3 monthly (18 values), outfall INF form MM monthly (10 values), outfall 001 form A2 yearly
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 25 reports late

Limits in force (37)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. centigradeaveragereport only (deg C) (alert, not enforceable)all year001
Oxygen, dissolved [DO]averagereport only (mg/L) (alert, not enforceable)all year001
BOD, 5-day, 20 deg. Caverage≤ 30 mg/Lall year001
BOD, 5-day, 20 deg. Cweekly average≤ 45 mg/Lall year001
BOD, 5-day, 20 deg. Caverage≤ 44 lb/dall year001
BOD, 5-day, 20 deg. Cweekly average≤ 66 lb/dall year001
pHdaily minimum≥ 6 SUall year001
pHdaily maximum≤ 9 SUall year001
Solids, total suspendedaverage≤ 30 mg/Lall year001
Solids, total suspendedweekly average≤ 45 mg/Lall year001
Solids, total suspendedaverage≤ 44 lb/dall year001
Solids, total suspendedweekly average≤ 66 lb/dall year001
Nitrogen, ammonia total [as N]single readingreport only (mg/L) (alert, not enforceable)all year001
Nitrogen, Kjeldahl, total [as N]single readingreport only (mg/L) (alert, not enforceable)all year001
Nitrite + Nitrate total [as N]single readingreport only (mg/L) (alert, not enforceable)all year001
Phosphorus, total [as P]single readingreport only (mg/L) (alert, not enforceable)all year001
Hardness, total [as CaCO3]averagereport only (mg/L) (alert, not enforceable)all year001
BOD, percent removal [total]monthly average minimum≥ 85 %all year001
E. colisingle readingreport only (#/100mL) (alert, not enforceable)all year001
Oil & grease, non-polar materialaveragereport only (mg/L) (alert, not enforceable)all year001
Solids, total dissolvedaveragereport only (mg/L) (alert, not enforceable)all year001
Coliform, fecal generalaveragereport only (#/100mL) (alert, not enforceable)all year001
Coliform, fecal generalmonthly geometric mean≤ 200 #/100mLall year001
Coliform, fecal generalweekly geometric mean≤ 400 #/100mLall year001
Flowaveragereport only (MGD) (alert, not enforceable)all year001
Flowmaximumreport only (MGD) (alert, not enforceable)all year001
Solids, suspended percent removalmonthly average minimum≥ 85 %all year001
BOD, 5-day, 20 deg. Caveragereport only (mg/L) (alert, not enforceable)all yearINF
BOD, 5-day, 20 deg. Cmaximumreport only (mg/L) (alert, not enforceable)all yearINF
BOD, 5-day, 20 deg. Caveragereport only (lb/d) (alert, not enforceable)all yearINF
BOD, 5-day, 20 deg. Cmaximumreport only (lb/d) (alert, not enforceable)all yearINF
Solids, total suspendedaveragereport only (mg/L) (alert, not enforceable)all yearINF
Solids, total suspendedmaximumreport only (mg/L) (alert, not enforceable)all yearINF
Solids, total suspendedaveragereport only (lb/d) (alert, not enforceable)all yearINF
Solids, total suspendedmaximumreport only (lb/d) (alert, not enforceable)all yearINF
Flowaveragereport only (MGD) (alert, not enforceable)all yearINF
Flowmaximumreport only (MGD) (alert, not enforceable)all yearINF

Cited limits by parameter: Washington's rules and the federal ones.

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Your permit document is the final word. As JSON: /api/v1/permits/WA0036986 · MCP: https://passage-data.com/mcp