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Lakeville Wastewater Treatment Plant

Sewage treatment plant, Lakeville, Indiana. NPDES permit IN0023540, in force until Apr 30, 2029. Last 12 months: over a limit 3 times (last April 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form A monthly (18 values), outfall 005 form A monthly (21 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 24 reports late

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

Period endingParameterReportedLimitOver by
April 2026E. coli, colony forming units [CFU], daily maximum2420 CFU/100mL≤ 235 CFU/100mL930%
April 2026E. coli, colony forming units [CFU], monthly geometric mean2420 CFU/100mL≤ 125 CFU/100mL1836%
April 2026Nitrogen, ammonia total [as N], monthly average12 mg/L≤ 10.4 mg/L15%

Limits in force (43)

ParameterStatisticLimitMonthsOutfall
Streamflowmonthly averagereport only (MGD)all year001
Streamflowmaximum weekly averagereport only (MGD)all year001
pHdaily minimum≥ 6 SUall year001
pHdaily maximum≤ 9 SUall 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≤ 9.6 mg/LMay–Nov001
Nitrogen, ammonia total [as N]monthly average≤ 10.4 mg/LJan, Feb, Mar, Apr, Dec001
Nitrogen, ammonia total [as N]maximum weekly average≤ 14.4 mg/LMay–Nov001
Nitrogen, ammonia total [as N]maximum weekly average≤ 15.6 mg/LJan, Feb, Mar, Apr, Dec001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantmaximum weekly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantmaximum weekly 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
Streamflowmonthly averagereport only (MGD)all year005
Streamflowmaximum weekly averagereport only (MGD)all year005
pHdaily minimum≥ 6 SUall year005
pHdaily maximum≤ 9 SUall year005
Solids, total suspendedmonthly average≤ 70 mg/Lall year005
Solids, total suspendedmaximum weekly average≤ 105 mg/Lall year005
Nitrogen, ammonia total [as N]monthly average≤ 9.6 mg/LMay–Nov005
Nitrogen, ammonia total [as N]monthly average≤ 10.4 mg/LJan, Feb, Mar, Apr, Dec005
Nitrogen, ammonia total [as N]maximum weekly average≤ 14.4 mg/LMay–Nov005
Nitrogen, ammonia total [as N]maximum weekly average≤ 15.6 mg/LJan, Feb, Mar, Apr, Dec005
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year005
Flow, in conduit or thru treatment plantmaximum weekly averagereport only (MGD)all year005
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year005
Flow, in conduit or thru treatment plantmaximum weekly averagereport only (MGD)all year005
E. coli, colony forming units [CFU]monthly geometric mean≤ 125 CFU/100mLApr–Oct005
E. coli, colony forming units [CFU]daily maximum≤ 235 CFU/100mLApr–Oct005
E. coli, colony forming units [CFU]daily maximumreport only (CFU/100mL)Apr–Oct005
Number of Eventsmonthly totalreport only (# exceed)Apr–Oct005
Number of Eventsmonthly totalreport only (#)Apr–Oct005
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/Lall year005
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 40 mg/Lall year005
Dilution factordaily maximum≤ .1 Ratioall year005
Flow, totalmonthly totalreport only (Mgal/mo)all year005

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/IN0023540 · MCP: https://passage-data.com/mcp