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Bainbridge Municipal WWTP

Sewage treatment plant, Bainbridge, Indiana. NPDES permit IN0040941, in force until May 31, 2028. Last 12 months: over a limit 11 times (last June 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (23 values)
Renewal application due
Dec 3, 2027 · 180 days before expiry; your permit may set another date
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 12 reports late

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

Period endingParameterReportedLimitOver by
March 2026Nitrogen, ammonia total [as N], monthly average10.8 lb/d≤ 7.46 lb/d45%
March 2026Nitrogen, ammonia total [as N], monthly average12.4 mg/L≤ 10.9 mg/L14%
March 2026Nitrogen, ammonia total [as N], maximum weekly average12.27 lb/d≤ 11.22 lb/d9%
April 2026Nitrogen, ammonia total [as N], monthly average15.4 mg/L≤ 10.9 mg/L41%
April 2026Nitrogen, ammonia total [as N], monthly average18.89 lb/d≤ 7.46 lb/d153%
April 2026Nitrogen, ammonia total [as N], maximum weekly average18.89 lb/d≤ 11.22 lb/d68%
May 2026Nitrogen, ammonia total [as N], monthly average12.33 lb/d≤ 5.41 lb/d128%
May 2026Nitrogen, ammonia total [as N], monthly average13.3 mg/L≤ 7.9 mg/L68%
May 2026Nitrogen, ammonia total [as N], maximum weekly average14.1 mg/L≤ 11.9 mg/L18%
May 2026Nitrogen, ammonia total [as N], maximum weekly average14.32 lb/d≤ 8.14 lb/d76%
June 2026Nitrogen, ammonia total [as N], monthly average7.068 lb/d≤ 5.41 lb/d31%

Limits in force (27)

ParameterStatisticLimitMonths
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
Solids, total suspendedmonthly average≤ 47.9 lb/dall year
Solids, total suspendedmaximum weekly average≤ 71.9 lb/dall year
Nitrogen, ammonia total [as N]monthly average≤ 7.9 mg/LMay–Nov
Nitrogen, ammonia total [as N]monthly average≤ 10.9 mg/LJan, Feb, Mar, Apr, Dec
Nitrogen, ammonia total [as N]maximum weekly average≤ 11.9 mg/LMay–Nov
Nitrogen, ammonia total [as N]maximum weekly average≤ 16.4 mg/LJan, Feb, Mar, Apr, Dec
Nitrogen, ammonia total [as N]monthly average≤ 5.41 lb/dMay–Nov
Nitrogen, ammonia total [as N]monthly average≤ 7.46 lb/dJan, Feb, Mar, Apr, Dec
Nitrogen, ammonia total [as N]maximum weekly average≤ 8.14 lb/dMay–Nov
Nitrogen, ammonia total [as N]maximum weekly average≤ 11.22 lb/dJan, Feb, Mar, Apr, Dec
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/LApr–Oct
Chlorine, total residualdaily maximum< .06 mg/LApr–Oct
Chlorine, total residualdaily minimum≥ .5 mg/LApr–Oct
Chlorine, total residualdaily maximumreport only (mg/L)Apr–Oct
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
BOD, carbonaceous [5 day, 20 C]monthly average≤ 17.1 lb/dall year
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 27.4 lb/dall year
Flow, totalmonthly totalreport only (Mgal/mo)all year

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/IN0040941 · MCP: https://passage-data.com/mcp