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Clinton Municipal WWTP

Sewage treatment plant, major discharger, Clinton, Indiana. NPDES permit IN0022608, in force until Sep 30, 2031. Last 12 months: over a limit once (last February 2026). Source: EPA ECHO, Oct 22, 2026.

Last report on file
September 2026
Oct 2024 – Sep 2025
2 values over a limit, 0 required values missing, 0 of 48 reports late

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

Period endingParameterReportedLimitOver by
February 2026Nitrogen, ammonia total [as N], maximum weekly average15.248 mg/L≤ 14.4 mg/L6%

Limits in force (44)

ParameterStatisticLimitMonthsOutfall
pHdaily minimum≥ 6 SUall year001
pHdaily maximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 30 mg/Lall year001
Solids, total suspendedmaximum weekly average≤ 45 mg/Lall year001
Solids, total suspendedmonthly average≤ 625.9 lb/dall year001
Solids, total suspendedmaximum weekly average≤ 938.8 lb/dall year001
Nitrogen, total [as N]monthly averagereport only (mg/L)all year001
Nitrogen, total [as N]monthly averagereport only (lb/d)all year001
Nitrogen, ammonia total [as N]monthly average≤ 9.6 mg/Lall year001
Nitrogen, ammonia total [as N]maximum weekly average≤ 14.4 mg/Lall year001
Nitrogen, ammonia total [as N]monthly average≤ 200.3 lb/dall year001
Nitrogen, ammonia total [as N]maximum weekly average≤ 300.4 lb/dall year001
Phosphorus, total [as P]monthly average≤ 1 mg/Lall year001
Phosphorus, total [as P]monthly averagereport only (lb/d)all year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Chlorine, total residualmonthly average< .06 mg/LApr–Oct001
Chlorine, total residualdaily maximum< .06 mg/LApr–Oct001
E. coli, colony forming units [CFU]monthly geometric mean≤ 125 CFU/100mLApr–Oct001
E. coli, colony forming units [CFU]daily maximum≤ 235 CFU/100mLApr–Oct001
Toxicity [acute], Ceriodaphnia dubiamaximum≤ 1 tox acuteApr001
Toxicity [acute], Ceriodaphnia dubiamaximum≤ 1 tox acuteMar001
Toxicity [acute], Pimephales promelas [Fathead Minnow]maximum≤ 1 tox acuteApr001
Toxicity [acute], Pimephales promelas [Fathead Minnow]maximum≤ 1 tox acuteMar001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 40 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 521.6 lb/dall year001
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 834.5 lb/dall year001
Flow, totalmonthly totalreport only (Mgal/mo)all year001
TU Static 48Hr Acute Daphnia magnamaximum≤ 1 tox acuteApr001
TU Static 48Hr Acute Daphnia magnamaximum≤ 1 tox acuteMar001
TU Static 48Hr Acute Daphnia pulexmaximum≤ 1 tox acuteApr001
TU Static 48Hr Acute Daphnia pulexmaximum≤ 1 tox acuteMar001
Durationmonthly totalreport only (hr/mo)all year002
Overflow volume [SS0 volume, CSO volume]monthly totalreport only (Mgal)all year002
Precipitation, monthly accumulationmonthly totalreport only (in/mo)all year002
Discharge event observation [Visual Monitoring]monthly totalreport only (#/mo)all year002
Durationmonthly totalreport only (hr/mo)all year005
Overflow volume [SS0 volume, CSO volume]monthly totalreport only (Mgal)all year005
Precipitation, monthly accumulationmonthly totalreport only (in/mo)all year005
Discharge event observation [Visual Monitoring]monthly totalreport only (#/mo)all year005
Durationmonthly totalreport only (hr/mo)all year006
Overflow volume [SS0 volume, CSO volume]monthly totalreport only (Mgal)all year006
Precipitation, monthly accumulationmonthly totalreport only (in/mo)all year006
Discharge event observation [Visual Monitoring]monthly totalreport only (#/mo)all year006

Cited limits by parameter: Indiana'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/IN0022608 · MCP: https://passage-data.com/mcp