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City of Bellingham Public Works

Sewage treatment plant, major discharger, Bellingham, Washington. NPDES permit WA0023744 expired Jun 30, 2019; its limits still apply. Last 12 months: no values over a limit, 567 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: outfall 001 form MM monthly (23 values), outfall 002 form MM monthly (17 values), outfall 003 form MM monthly (3 values), outfall IN1 form MM monthly (10 values)
Last report on file
October 2025
Oct 2024 – Sep 2025
0 values over a limit, 442 required values missing, 2 of 48 reports late

Limits in force (53)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. centigradeaveragereport only (deg C)all year001
Temperature, water deg. centigrademaximumreport only (deg C)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≤ 8582 lb/dall year001
BOD, 5-day, 20 deg. Cweekly average≤ 12873 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≤ 8582 lb/dall year001
Solids, total suspendedweekly average≤ 12873 lb/dall year001
Nitrogen, ammonia total [as N]averagereport only (mg/L)all year001
Nitrogen, Kjeldahl, total [as N]averagereport only (mg/L)all year001
Nitrite + Nitrate total [as N]averagereport only (mg/L)all year001
Phosphorus, total [as P]averagereport only (mg/L)all year001
Phosphorus, dissolved reactive [drp as P]averagereport only (mg/L)all year001
Chlorine, total residualaverage≤ .198 mg/Lall year001
Coliform, fecal generalmonthly geometric mean≤ 200 #/100mLall year001
Coliform, fecal generalweekly geometric mean≤ 400 #/100mLall year001
Flowaveragereport only (MGD)all year001
Flowmaximumreport only (MGD)all year001
Solids, suspended percent removalmonthly average minimum≥ 85 %all year001
Temperature, water deg. centigradeaveragereport only (deg C)all year002
Temperature, water deg. centigrademaximumreport only (deg C)all year002
BOD, 5-day, 20 deg. Caverage≤ 30 mg/Lall year002
BOD, 5-day, 20 deg. Cweekly average≤ 45 mg/Lall year002
BOD, 5-day, 20 deg. Caverage≤ 8582 lb/dall year002
BOD, 5-day, 20 deg. Cweekly average≤ 12873 lb/dall year002
pHdaily minimum≥ 6 SUall year002
pHdaily maximum≤ 9 SUall year002
Solids, total suspendedaverage≤ 30 mg/Lall year002
Solids, total suspendedweekly average≤ 45 mg/Lall year002
Solids, total suspendedaverage≤ 8582 lb/dall year002
Solids, total suspendedweekly average≤ 12873 lb/dall year002
Chlorine, total residualaverage≤ .033 mg/Lall year002
Coliform, fecal generalmonthly geometric mean≤ 200 #/100mLall year002
Coliform, fecal generalweekly geometric mean≤ 400 #/100mLall year002
Flowsingle readingreport only (MGD)all year002
Solids, suspended percent removalmonthly average minimum≥ 85 %all year002
Rainfallmonthly totalreport only (in)all year003
Volume, totalmonthly totalreport only (Mgal)all year003
Flowaveragereport only (MGD)all year003
BOD, 5-day, 20 deg. Caveragereport only (mg/L)all yearIN1
BOD, 5-day, 20 deg. Cmaximumreport only (mg/L)all yearIN1
BOD, 5-day, 20 deg. Caveragereport only (lb/d)all yearIN1
BOD, 5-day, 20 deg. Cmaximumreport only (lb/d)all yearIN1
Solids, total suspendedaveragereport only (mg/L)all yearIN1
Solids, total suspendedmaximumreport only (mg/L)all yearIN1
Solids, total suspendedaveragereport only (lb/d)all yearIN1
Solids, total suspendedmaximumreport only (lb/d)all yearIN1
Flowaveragereport only (MGD)all yearIN1
Flowmaximumreport only (MGD)all yearIN1

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/WA0023744 · MCP: https://passage-data.com/mcp