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Oxford Municipal WWTP

Sewage treatment plant, Oxford, Indiana. NPDES permit IN0021342, in force until Jun 30, 2030. Last 12 months: over a limit 2 times (last August 2026), 1 required value missing, 2 of 22 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form A monthly (19 values), outfall 005 form C monthly (4 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 2 of 24 reports late

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

Period endingParameterReportedLimitOver by
June 2026E. coli, colony forming units [CFU], daily maximum365.4 CFU/100mL≤ 235 CFU/100mL55%
August 2026E. coli, colony forming units [CFU], daily maximum387.3 CFU/100mL≤ 235 CFU/100mL65%

Limits in force (27)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]daily average minimum≥ 6 mg/Lall year001
pHdaily minimum≥ 6 SUall year001
pHdaily maximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 12 mg/Lall year001
Solids, total suspendedmaximum weekly average≤ 18 mg/Lall year001
Solids, total suspendedmonthly average≤ 75 lb/dall year001
Solids, total suspendedmaximum weekly average≤ 110 lb/dall year001
Nitrogen, ammonia total [as N]monthly average≤ 1.1 mg/LMay–Nov001
Nitrogen, ammonia total [as N]monthly average≤ 1.6 mg/LJan, Feb, Mar, Apr, Dec001
Nitrogen, ammonia total [as N]maximum weekly average≤ 1.6 mg/LMay–Nov001
Nitrogen, ammonia total [as N]maximum weekly average≤ 2.4 mg/LJan, Feb, Mar, Apr, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 6.9 lb/dMay–Nov001
Nitrogen, ammonia total [as N]monthly average≤ 10 lb/dJan, Feb, Mar, Apr, Dec001
Nitrogen, ammonia total [as N]maximum weekly average≤ 10 lb/dMay–Nov001
Nitrogen, ammonia total [as N]maximum weekly average≤ 15 lb/dJan, Feb, Mar, Apr, Dec001
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≤ 10 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 15 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 63 lb/dall year001
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 94 lb/dall year001
Flow, totalmonthly totalreport only (Mgal/mo)all year001
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

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/IN0021342 · MCP: https://passage-data.com/mcp