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Fisherman Bay Sewer District

Sewage treatment plant, Lopez Island, Washington. NPDES permit WA0030589 expired Feb 28, 2022; its limits still apply. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: outfall 001 form MM monthly (18 values), outfall 001 form QQ quarterly (4 values), outfall IN1 form MM monthly (10 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 28 reports late

Limits in force (64)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. centigradeaveragereport only (deg C) (alert, not enforceable)all year001
Temperature, water deg. centigradeaveragereport only (deg C) (alert, not enforceable)all year001
pHdaily minimum≥ 6 SUall year001
pHdaily minimum≥ 6 SUall year001
pHdaily maximum≤ 9 SUall year001
pHdaily maximum≤ 9 SUall year001
Solids, total suspendedaverage≤ 30 mg/Lall year001
Solids, total suspendedaverage≤ 30 mg/Lall year001
Solids, total suspendedweekly average≤ 45 mg/Lall year001
Solids, total suspendedweekly average≤ 45 mg/Lall year001
Solids, total suspendedaverage≤ 13.3 lb/dall year001
Solids, total suspendedaverage≤ 13.3 lb/dall year001
Solids, total suspendedweekly average≤ 19.9 lb/dall year001
Solids, total suspendedweekly average≤ 19.9 lb/dall year001
Nitrogen, ammonia total [as N]averagereport only (mg/L) (alert, not enforceable)all year001
Nitrogen, ammonia total [as N]averagereport only (mg/L) (alert, not enforceable)all year001
Nitrogen, Kjeldahl, total [as N]averagereport only (mg/L) (alert, not enforceable)all year001
Nitrogen, Kjeldahl, total [as N]averagereport only (mg/L) (alert, not enforceable)all year001
Nitrite + Nitrate total [as N]averagereport only (mg/L) (alert, not enforceable)all year001
Nitrite + Nitrate total [as N]averagereport only (mg/L) (alert, not enforceable)all year001
Chlorine, total residualaverage≤ .5 mg/Lall year001
Chlorine, total residualaverage≤ .5 mg/Lall year001
Chlorine, total residualweekly maximum≤ .75 mg/Lall year001
Chlorine, total residualweekly maximum≤ .75 mg/Lall year001
Coliform, fecal generalmonthly geometric mean≤ 200 #/100mLall year001
Coliform, fecal generalmonthly geometric mean≤ 200 #/100mLall year001
Coliform, fecal generalweekly geometric mean≤ 400 #/100mLall year001
Coliform, fecal generalweekly geometric mean≤ 400 #/100mLall year001
Flowaveragereport only (MGD) (alert, not enforceable)all year001
Flowaveragereport only (MGD) (alert, not enforceable)all year001
Flowmaximumreport only (MGD) (alert, not enforceable)all year001
Flowmaximumreport only (MGD) (alert, not enforceable)all year001
BOD, carbonaceous [5 day, 20 C]average≤ 25 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]average≤ 25 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 40 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 40 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]average≤ 11.1 lb/dall year001
BOD, carbonaceous [5 day, 20 C]average≤ 11.1 lb/dall year001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 17.7 lb/dall year001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 17.7 lb/dall year001
Solids, suspended percent removalmonthly average minimum≥ 56 %all year001
Solids, suspended percent removalmonthly average minimum≥ 56 %all year001
Carbonaceous oxygen demand, % removalmonthly average minimum≥ 85 %all year001
Carbonaceous oxygen demand, % removalmonthly average minimum≥ 85 %all year001
Solids, total suspendedaveragereport only (mg/L) (alert, not enforceable)all yearIN1
Solids, total suspendedaveragereport only (mg/L) (alert, not enforceable)all yearIN1
Solids, total suspendedmaximumreport only (mg/L) (alert, not enforceable)all yearIN1
Solids, total suspendedmaximumreport only (mg/L) (alert, not enforceable)all yearIN1
Solids, total suspendedaveragereport only (lb/d) (alert, not enforceable)all yearIN1
Solids, total suspendedaveragereport only (lb/d) (alert, not enforceable)all yearIN1
Solids, total suspendedmaximumreport only (lb/d) (alert, not enforceable)all yearIN1
Solids, total suspendedmaximumreport only (lb/d) (alert, not enforceable)all yearIN1
Flowaveragereport only (MGD) (alert, not enforceable)all yearIN1
Flowaveragereport only (MGD) (alert, not enforceable)all yearIN1
Flowmaximumreport only (MGD) (alert, not enforceable)all yearIN1
Flowmaximumreport only (MGD) (alert, not enforceable)all yearIN1
BOD, carbonaceous [5 day, 20 C]averagereport only (mg/L) (alert, not enforceable)all yearIN1
BOD, carbonaceous [5 day, 20 C]averagereport only (mg/L) (alert, not enforceable)all yearIN1
BOD, carbonaceous [5 day, 20 C]maximumreport only (mg/L) (alert, not enforceable)all yearIN1
BOD, carbonaceous [5 day, 20 C]maximumreport only (mg/L) (alert, not enforceable)all yearIN1
BOD, carbonaceous [5 day, 20 C]averagereport only (lb/d) (alert, not enforceable)all yearIN1
BOD, carbonaceous [5 day, 20 C]averagereport only (lb/d) (alert, not enforceable)all yearIN1
BOD, carbonaceous [5 day, 20 C]maximumreport only (lb/d) (alert, not enforceable)all yearIN1
BOD, carbonaceous [5 day, 20 C]maximumreport only (lb/d) (alert, not enforceable)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/WA0030589 · MCP: https://passage-data.com/mcp