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City of Newport

Sewage treatment plant, Newport, Washington. NPDES permit WA0022322 expired Apr 30, 2013; its limits still apply. Last 12 months: over a limit 12 times (last July 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: outfall 001 form MM monthly (13 values), outfall IN1 form MM monthly (4 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
3 values over a limit, 0 required values missing, 2 of 24 reports late

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

Period endingParameterReportedLimitOver by
October 2025BOD, 5-day, 20 deg. C, monthly average46.5≤ 30 mg/L55%
October 2025BOD, 5-day, 20 deg. C, weekly average46.5≤ 45 mg/L3%
October 2025BOD, percent removal [total], monthly average minimum80.18≥ 85 %32%
November 2025BOD, 5-day, 20 deg. C, monthly average> 44.9≤ 30 mg/L—
November 2025BOD, percent removal [total], monthly average minimum78.89≥ 85 %41%
December 2025Coliform, fecal general, monthly average> 162≤ 100 #/100mL—
December 2025Solids, total suspended, weekly average89.065≤ 45 mg/L98%
April 2026Coliform, fecal general, monthly average> 120.8≤ 100 #/100mL—
May 2026Coliform, fecal general, monthly average> 120.75≤ 100 #/100mL—
May 2026Coliform, fecal general, weekly average> 418≤ 200 #/100mL—
July 2026Coliform, fecal general, monthly average> 121.2≤ 100 #/100mL—
July 2026Coliform, fecal general, weekly average> 314≤ 200 #/100mL—

Limits in force (46)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. centigrademaximumreport 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. Cmonthly average≤ 30 mg/Lall year001
BOD, 5-day, 20 deg. Cmonthly average≤ 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. Cmonthly average≤ 125 lb/dall year001
BOD, 5-day, 20 deg. Cmonthly average≤ 125 lb/dall year001
BOD, 5-day, 20 deg. Cweekly average≤ 188 lb/dall year001
BOD, 5-day, 20 deg. Cweekly average≤ 188 lb/dall year001
pHdaily minimum≥ 6 SUall year001
pHdaily maximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 30 mg/Lall year001
Solids, total suspendedmonthly average≤ 30 mg/Lall year001
Solids, total suspendedweekly average≤ 45 mg/Lall year001
Solids, total suspendedweekly average≤ 45 mg/Lall year001
Solids, total suspendedmonthly average≤ 125 lb/dall year001
Solids, total suspendedmonthly average≤ 125 lb/dall year001
Solids, total suspendedmonthly average≤ 125 lb/dall year001
Solids, total suspendedweekly average≤ 188 lb/dall year001
Solids, total suspendedweekly average≤ 188 lb/dall year001
Solids, total suspendedweekly average≤ 188 lb/dall year001
Chlorine, total residualdaily maximum≤ .75 mg/Lall year001
Chlorine, total residualmonthly average≤ .5 mg/Lall year001
BOD, percent removal [total]monthly average minimum≥ 85 %all year001
BOD, percent removal [total]monthly average minimum≥ 85 %all year001
Coliform, fecal generalmonthly average≤ 100 #/100mLall year001
Coliform, fecal generalmonthly average≤ 100 #/100mLall year001
Coliform, fecal generalweekly average≤ 200 #/100mLall year001
Coliform, fecal generalweekly average≤ 200 #/100mLall year001
Solids, suspended percent removalmonthly average minimum≥ 85 %all year001
Solids, suspended percent removalmonthly average minimum≥ 85 %all year001
BOD, 5-day, 20 deg. Caveragereport only (lb/d) (alert, not enforceable)all yearIN1
BOD, 5-day, 20 deg. Caveragereport only (lb/d) (alert, not enforceable)all yearIN1
BOD, 5-day, 20 deg. Caveragereport only (lb/d) (alert, not enforceable)all yearIN1
BOD, 5-day, 20 deg. Cmaximumreport only (lb/d) (alert, not enforceable)all yearIN1
BOD, 5-day, 20 deg. Cmaximumreport only (lb/d) (alert, not enforceable)all yearIN1
BOD, 5-day, 20 deg. Cmaximumreport only (lb/d) (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 suspendedaveragereport only (lb/d) (alert, not enforceable)all yearIN1
Solids, total suspendedmaximumreport only (lb/d) (alert, not enforceable)all yearIN1
Flowaverage≤ .5 MGDall yearIN1
Flowaverage≤ .5 MGDall yearIN1
Flowmaximum≤ 1 MGDall yearIN1
Flowmaximum≤ 1 MGDall yearIN1

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/WA0022322 · MCP: https://passage-data.com/mcp