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Franklin County PWSD #3

Sewage treatment plant, Pacific, Missouri. NPDES permit MO0089656 expired Jun 30, 2026; its limits still apply. Last 12 months: over a limit once (last June 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form Q quarterly (18 values), outfall INF form IQ quarterly (2 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
1 value over a limit, 0 required values missing, 0 of 8 reports late

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

Period endingParameterReportedLimitOver by
June 2026E. coli, daily maximum200≤ 126 #/100mL59%

Limits in force (26)

ParameterStatisticLimitMonthsOutfall
BOD, 5-day, 20 deg. Cweekly average≤ 15 mg/Lall year001
BOD, 5-day, 20 deg. Cmonthly average≤ 10 mg/Lall year001
pHminimum≥ 6.5 SUall year001
pHmaximum≤ 9 SUall year001
Solids, total suspendedweekly average≤ 20 mg/Lall year001
Solids, total suspendedmonthly average≤ 15 mg/Lall year001
Oil and grease [soxhlet extr.] tot.daily maximum≤ 15 mg/Lall year001
Oil and grease [soxhlet extr.] tot.monthly average≤ 10 mg/Lall year001
Nitrogen, ammonia total [as N]daily maximum≤ 10.1 mg/LApr–Jun001
Nitrogen, ammonia total [as N]daily maximum≤ 12.1 mg/LJan–Mar001
Nitrogen, ammonia total [as N]daily maximum≤ 8.4 mg/LJul–Sep001
Nitrogen, ammonia total [as N]daily maximum≤ 8.4 mg/LOct–Dec001
Nitrogen, ammonia total [as N]monthly average≤ 1.5 mg/LApr–Jun001
Nitrogen, ammonia total [as N]monthly average≤ 3.1 mg/LJan–Mar001
Nitrogen, ammonia total [as N]monthly average≤ 1 mg/LJul–Sep001
Nitrogen, ammonia total [as N]monthly average≤ 2.2 mg/LOct–Dec001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Chlorine, total residualdaily maximum≤ 18 ug/Lall year001
Chlorine, total residualmonthly average≤ 9 ug/Lall year001
E. colidaily maximum≤ 126 #/100mLall year001
E. colimonthly averagereport only (#/100mL)all year001
BOD, 5-day, percent removalmonthly average minimum≥ 85 %all year001
Solids, suspended percent removalmonthly average minimum≥ 85 %all year001
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all yearINF
Solids, total suspendedmonthly averagereport only (mg/L)all yearINF

How strict are these limits?

Cited limits by parameter: Missouri'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/MO0089656 · MCP: https://passage-data.com/mcp