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City of Tacoma

Sewage treatment plant, major discharger, Tacoma, Washington. NPDES permit WA0037214 expired Jun 30, 2014; its limits still apply. Last 12 months: over a limit 2 times (last December 2025). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: outfall 001 form MM monthly (17 values), outfall INFL form MM monthly (13 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 24 reports late

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

Period endingParameterReportedLimitOver by
December 2025BOD, 5-day, 20 deg. C, weekly average2077≤ 1998 lb/d4%
December 2025Solids, total suspended, weekly average2989≤ 2557 lb/d17%

Limits in force (70)

ParameterStatisticLimitMonthsOutfall
BOD, 5-day, 20 deg. Caverage≤ 30 mg/Lall 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. Cweekly average≤ 45 mg/Lall year001
BOD, 5-day, 20 deg. Caverage≤ 1332 lb/dall year001
BOD, 5-day, 20 deg. Caverage≤ 1332 lb/dall year001
BOD, 5-day, 20 deg. Caverage≤ 1332 lb/dall year001
BOD, 5-day, 20 deg. Cweekly average≤ 1998 lb/dall year001
BOD, 5-day, 20 deg. Cweekly average≤ 1998 lb/dall year001
BOD, 5-day, 20 deg. Cweekly average≤ 1998 lb/dall 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≤ 1705 lb/dall year001
Solids, total suspendedaverage≤ 1705 lb/dall year001
Solids, total suspendedaverage≤ 1705 lb/dall year001
Solids, total suspendedweekly average≤ 2557 lb/dall year001
Solids, total suspendedweekly average≤ 2557 lb/dall year001
Solids, total suspendedweekly average≤ 2557 lb/dall year001
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L) (alert, not enforceable)all year001
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L) (alert, not enforceable)all year001
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L) (alert, not enforceable)all year001
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L) (alert, not enforceable)all year001
Nitrogen, inorganic totaldaily maximumreport only (mg/L) (alert, not enforceable)all year001
Nitrogen, inorganic totaldaily maximumreport only (mg/L) (alert, not enforceable)all year001
Phosphate, total [as PO4]daily maximumreport only (mg/L) (alert, not enforceable)all year001
Phosphate, total [as PO4]daily maximumreport only (mg/L) (alert, not enforceable)all year001
Phosphorus, total [as P]daily maximumreport only (mg/L) (alert, not enforceable)all year001
Chlorine, total residualaverage≤ .22 mg/Lall year001
Chlorine, total residualaverage≤ .22 mg/Lall year001
BOD, percent removal [total]monthly average minimum≥ 85 %all year001
pH, maximumdaily maximum≤ 9 SUall year001
pH, maximumdaily maximum≤ 9 SUall year001
pH, minimumdaily minimum≥ 6 SUall year001
pH, minimumdaily minimum≥ 6 SUall year001
Coliform, fecal generalgeometric mean≤ 200 #/100mLall year001
Coliform, fecal generalgeometric mean≤ 200 #/100mLall year001
Coliform, fecal generalweekly geometric mean≤ 400 #/100mLall year001
Coliform, fecal generalweekly geometric mean≤ 400 #/100mLall year001
Solids, suspended percent removalmonthly average minimum≥ 85 %all year001
BOD, 5-day, 20 deg. Caveragereport only (mg/L) (alert, not enforceable)all yearINFL
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. 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. Caveragereport only (lb/d) (alert, not enforceable)all yearINFL
BOD, 5-day, 20 deg. Cmaximumreport 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 suspendedaveragereport only (mg/L) (alert, not enforceable)all yearINFL
Solids, total suspendedmaximumreport 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 suspendedaveragereport only (lb/d) (alert, not enforceable)all yearINFL
Solids, total suspendedmaximumreport only (lb/d) (alert, not enforceable)all yearINFL
Solids, total suspendedmaximumreport only (lb/d) (alert, not enforceable)all yearINFL
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L) (alert, not enforceable)all yearINFL
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L) (alert, not enforceable)all yearINFL
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L) (alert, not enforceable)all yearINFL
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L) (alert, not enforceable)all yearINFL
Nitrogen, inorganic totaldaily maximumreport only (mg/L) (alert, not enforceable)all yearINFL
Nitrogen, inorganic totaldaily maximumreport only (mg/L) (alert, not enforceable)all yearINFL
Phosphate, total [as PO4]daily maximumreport only (mg/L) (alert, not enforceable)all yearINFL
Phosphate, total [as PO4]daily maximumreport only (mg/L) (alert, not enforceable)all yearINFL
Phosphorus, total [as P]daily maximumreport only (mg/L) (alert, not enforceable)all yearINFL
Flowaveragereport only (MGD) (alert, not enforceable)all yearINFL
Flowaveragereport only (MGD) (alert, not enforceable)all yearINFL

How strict are these limits?

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/WA0037214 · MCP: https://passage-data.com/mcp