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Wakarusa WWTP, Town of

Sewage treatment plant, Wakarusa, Indiana. NPDES permit IN0024775, in force until Apr 30, 2031. Last 12 months: over a limit 2 times (last October 2025). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form A monthly (17 values), outfall 002 form C monthly (4 values), outfall 004 form C monthly (4 values), outfall 005 form C monthly (4 values), outfall 006 form C monthly (4 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
3 values over a limit, 0 required values missing, 5 of 60 reports late

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

Period endingParameterReportedLimitOver by
October 2025E. coli, colony forming units [CFU], daily maximum318 CFU/100mL≤ 235 CFU/100mL35%
October 2025E. coli, colony forming units [CFU], monthly geometric mean144 CFU/100mL≤ 125 CFU/100mL15%

Limits in force (35)

ParameterStatisticLimitMonthsOutfall
Streamflowmonthly averagereport only (MGD)all year001
pHdaily minimum≥ 6 SUall year001
pHdaily maximumreport only (SU)all year001
Solids, total suspendedmonthly average≤ 70 mg/Lall year001
Solids, total suspendedmaximum weekly average≤ 105 mg/Lall year001
Nitrogen, ammonia total [as N]monthly average≤ 5 mg/LMay–Nov001
Nitrogen, ammonia total [as N]monthly average≤ 5.3 mg/LJan, Feb, Mar, Apr, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ 10 mg/LMay–Nov001
Nitrogen, ammonia total [as N]daily maximum≤ 11 mg/LJan, Feb, Mar, Apr, Dec001
Phosphorus, total [as P]monthly averagereport only (mg/L)all year001
Phosphorus, total [as P]monthly averagereport only (lb/d)all year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
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
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
Dilution factordaily maximum≤ .1 Ratioall year001
Flow, totalmonthly totalreport only (Mgal/mo)all year001
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 (occur/mo)all year002
Durationmonthly totalreport only (hr/mo)all year004
Overflow volume [SS0 volume, CSO volume]monthly totalreport only (Mgal)all year004
Precipitation, monthly accumulationmonthly totalreport only (in/mo)all year004
Discharge event observation [Visual Monitoring]monthly totalreport only (#/mo)all year004
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

How strict are these limits?

Cited limits by parameter: Indiana's rules and the federal ones.

Check this month's numbers Email me before each report is due

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/IN0024775 · MCP: https://passage-data.com/mcp