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Napoleon WWTP

Sewage treatment plant, Napoleon, Indiana. NPDES permit IN0023868, in force until Nov 30, 2026. Last 12 months: over a limit 8 times (last August 2026), 3 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (17 values)
Renewal application due
Jun 3, 2026 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
9 values over a limit, 0 required values missing, 2 of 12 reports late

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

Period endingParameterReportedLimitOver by
November 2025Nitrogen, ammonia total [as N], monthly average15.8 mg/L≤ 12.1 mg/L31%
February 2026BOD, carbonaceous [5 day, 20 C], monthly average28.2 mg/L≤ 25 mg/L13%
February 2026Nitrogen, ammonia total [as N], monthly average27.05 mg/L≤ 12.1 mg/L124%
February 2026Nitrogen, ammonia total [as N], maximum weekly average32.6 mg/L≤ 18.2 mg/L79%
March 2026BOD, carbonaceous [5 day, 20 C], monthly average26.6 mg/L≤ 25 mg/L6%
March 2026Nitrogen, ammonia total [as N], monthly average13.54 mg/L≤ 12.1 mg/L12%
March 2026Nitrogen, ammonia total [as N], maximum weekly average23.3 mg/L≤ 18.2 mg/L28%
August 2026E. coli, colony forming units [CFU], daily maximum574.8 CFU/100mL≤ 235 CFU/100mL145%

Limits in force (17)

ParameterStatisticLimitMonths
Streamflowmonthly averagereport only (MGD)all year
pHdaily minimum≥ 6 SUall year
pHdaily maximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 70 mg/Lall year
Solids, total suspendedmaximum weekly average≤ 105 mg/Lall year
Nitrogen, ammonia total [as N]monthly average≤ 12.1 mg/Lall year
Nitrogen, ammonia total [as N]maximum weekly average≤ 18.2 mg/Lall year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Chlorine, total residualmonthly average< .06 mg/Lall year
Chlorine, total residualdaily maximum< .06 mg/Lall year
E. coli, colony forming units [CFU]monthly geometric mean≤ 125 CFU/100mLApr–Oct
E. coli, colony forming units [CFU]daily maximum≤ 235 CFU/100mLApr–Oct
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/Lall year
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 40 mg/Lall year
Dilution factordaily maximum≤ .1 Ratioall year
Flow, totalmonthly totalreport only (Mgal/mo)all year

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/IN0023868 · MCP: https://passage-data.com/mcp