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City of Vancouver

Sewage treatment plant, major discharger, Vancouver, Washington. NPDES permit WA0024350, in force until Jul 31, 2031. Last 12 months: no values over a limit, 47 required values missing, 6 of 46 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: outfall 001 form MM monthly (22 values), outfall INFL form MM monthly (10 values), outfall LGON form MM monthly (8 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 12 required values missing, 12 of 48 reports late

Limits in force (40)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. centigradeaveragereport only (deg C) (alert, not enforceable)all year001
Temperature, water deg. centigrademaximumreport only (deg C) (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≤ 7071 lb/dall year001
BOD, 5-day, 20 deg. Cweekly average≤ 10606 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≤ 7071 lb/dall year001
Solids, total suspendedweekly average≤ 10606 lb/dall year001
Nitrogen, ammonia total [as N]averagereport only (mg/L) (alert, not enforceable)all year001
BOD, percent removal [total]minimum≥ 85 %all year001
E. coliaveragereport only (#/100mL) (alert, not enforceable)all year001
E. colimaximumreport only (#/100mL) (alert, not enforceable)all year001
Net rate of additionof heataverage≤ 2780 kcal/dJun–Sep001
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 removalminimum≥ 85 %all year001
BOD, 5-day, 20 deg. Caveragereport only (mg/L) (alert, not enforceable)all yearINFL
BOD, 5-day, 20 deg. Cmaximumreport only (mg/L) (alert, not enforceable)all yearINFL
BOD, 5-day, 20 deg. Caveragereport only (lb/d) (alert, not enforceable)all yearINFL
BOD, 5-day, 20 deg. Cmaximumreport only (lb/d) (alert, not enforceable)all yearINFL
pHmaximumreport only (SU) (alert, not enforceable)all yearINFL
pHminimumreport only (SU) (alert, not enforceable)all yearINFL
Solids, total suspendedaveragereport only (mg/L) (alert, not enforceable)all yearINFL
Solids, total suspendedmaximumreport only (mg/L) (alert, not enforceable)all yearINFL
Solids, total suspendedaveragereport only (lb/d) (alert, not enforceable)all yearINFL
Solids, total suspendedmaximumreport only (lb/d) (alert, not enforceable)all yearINFL
BOD, 5-day, 20 deg. Caveragereport only (mg/L) (alert, not enforceable)all yearLGON
BOD, 5-day, 20 deg. Cweekly averagereport only (mg/L) (alert, not enforceable)all yearLGON
pHmaximumreport only (SU) (alert, not enforceable)all yearLGON
pHminimumreport only (SU) (alert, not enforceable)all yearLGON
Solids, total suspendedaveragereport only (mg/L) (alert, not enforceable)all yearLGON
Solids, total suspendedweekly averagereport only (mg/L) (alert, not enforceable)all yearLGON
Flowaveragereport only (MGD) (alert, not enforceable)all yearLGON
Flowmaximumreport only (MGD) (alert, not enforceable)all yearLGON

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

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