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Sewerage Systems, Athens, Ohio. NPDES permit OH0107841, in force until Aug 31, 2029. Last 12 months: over a limit 10 times (last June 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: outfall 001 form A monthly (4 values), outfall 002 form A monthly (4 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
1 value over a limit, 0 required values missing, 0 of 25 reports late

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

Period endingOutfallParameterReportedLimitOver by
December 2025001Nitrogen, ammonia total [as N], monthly average.048≤ .019 kg/d153%
December 2025001Nitrogen, ammonia total [as N], monthly average16≤ 2 mg/L700%
December 2025001Nitrogen, ammonia total [as N], weekly maximum.048≤ .0284 kg/d69%
December 2025001Nitrogen, ammonia total [as N], weekly maximum16≤ 3 mg/L433%
December 2025002Nitrogen, ammonia total [as N], monthly average15.8≤ 5 mg/L216%
December 2025002Nitrogen, ammonia total [as N], weekly maximum15.8≤ 7.5 mg/L111%
June 2026001E. coli, MTEC-MF, monthly geometric mean1047≤ 126 MPN/100mL731%
June 2026001E. coli, MTEC-MF, weekly geometric mean1047≤ 284 MPN/100mL269%
June 2026002E. coli, MTEC-MF, monthly geometric mean614≤ 126 MPN/100mL387%
June 2026002E. coli, MTEC-MF, weekly geometric mean614≤ 284 MPN/100mL116%

Limits in force (50)

ParameterStatisticLimitMonthsOutfall
Flow ratemonthly averagereport only (gal/d)all year001
Flow ratedaily maximumreport only (gal/d)all year001
Oxygen, dissolved [DO]daily minimum≥ 5 mg/LMar, Jun, Aug, Dec001
pHdaily minimum≥ 6.5 SUMar, Jun, Aug, Dec001
pHdaily maximum≤ 9 SUMar, Jun, Aug, Dec001
Solids, total suspendedmonthly average≤ 12 mg/LMar, Jun, Aug, Dec001
Solids, total suspendedweekly maximum≤ 18 mg/LMar, Jun, Aug, Dec001
Solids, total suspendedmonthly average≤ .114 kg/dMar, Jun, Aug, Dec001
Solids, total suspendedweekly maximum≤ .171 kg/dMar, Jun, Aug, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 2 mg/LMar, Jun, Aug, Dec001
Nitrogen, ammonia total [as N]weekly maximum≤ 3 mg/LMar, Jun, Aug, Dec001
Nitrogen, ammonia total [as N]monthly average≤ .019 kg/dMar, Jun, Aug, Dec001
Nitrogen, ammonia total [as N]weekly maximum≤ .0284 kg/dMar, Jun, Aug, Dec001
Turbidity [severity]monthly averagereport only (severity)all year001
Turbidity [severity]daily maximumreport only (severity)all year001
E. coli, MTEC-MFmonthly geometric mean≤ 126 MPN/100mLJun, Aug001
E. coli, MTEC-MFweekly geometric mean≤ 284 MPN/100mLJun, Aug001
Chlorine, total residualdaily maximum≤ .019 mg/LJun, Aug001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 10 mg/LMar, Jun, Aug, Dec001
BOD, carbonaceous [5 day, 20 C]weekly maximum≤ 15 mg/LMar, Jun, Aug, Dec001
BOD, carbonaceous [5 day, 20 C]monthly average≤ .0947 kg/dMar, Jun, Aug, Dec001
BOD, carbonaceous [5 day, 20 C]weekly maximum≤ .142 kg/dMar, Jun, Aug, Dec001
Flow ratemonthly averagereport only (gal/d)all year002
Flow ratedaily maximumreport only (gal/d)all year002
Oxygen, dissolved [DO]daily minimum≥ 6 mg/LMar, Jun, Aug, Dec002
pHdaily minimum≥ 6.5 SUMar, Jun, Aug, Dec002
pHdaily maximum≤ 9 SUMar, Jun, Aug, Dec002
Solids, total suspendedmonthly average≤ 12 mg/LMar, Jun, Aug, Dec002
Solids, total suspendedweekly maximum≤ 18 mg/LMar, Jun, Aug, Dec002
Solids, total suspendedmonthly average≤ .182 kg/dMar, Jun, Aug, Dec002
Solids, total suspendedweekly maximum≤ .273 kg/dMar, Jun, Aug, Dec002
Nitrogen, ammonia total [as N]monthly average≤ 1.5 mg/LJun, Aug002
Nitrogen, ammonia total [as N]monthly average≤ 5 mg/LMar, Dec002
Nitrogen, ammonia total [as N]weekly maximum≤ 2.3 mg/LJun, Aug002
Nitrogen, ammonia total [as N]weekly maximum≤ 7.5 mg/LMar, Dec002
Nitrogen, ammonia total [as N]monthly average≤ .0228 kg/dJun, Aug002
Nitrogen, ammonia total [as N]monthly average≤ .0757 kg/dMar, Dec002
Nitrogen, ammonia total [as N]weekly maximum≤ .0349 kg/dJun, Aug002
Nitrogen, ammonia total [as N]weekly maximum≤ .114 kg/dMar, Dec002
Turbidity [severity]monthly averagereport only (severity)all year002
Turbidity [severity]daily maximumreport only (severity)all year002
E. coli, MTEC-MFmonthly geometric mean≤ 126 MPN/100mLJun, Aug002
E. coli, MTEC-MFweekly geometric mean≤ 284 MPN/100mLJun, Aug002
Chlorine, total residualdaily maximum≤ .019 mg/LJun, Aug002
BOD, carbonaceous [5 day, 20 C]monthly average≤ 10 mg/LMar, Jun, Aug, Dec002
BOD, carbonaceous [5 day, 20 C]weekly maximum≤ 15 mg/LMar, Jun, Aug, Dec002
BOD, carbonaceous [5 day, 20 C]monthly average≤ .152 kg/dMar, Jun, Aug, Dec002
BOD, carbonaceous [5 day, 20 C]weekly maximum≤ .228 kg/dMar, Jun, Aug, Dec002
Sludge waste from secondary clarifiersmonthly averagereport only (gal)Dec588
Sludge waste from secondary clarifiersdaily maximumreport only (gal)Dec588

How strict are these limits?

Cited limits by parameter: Ohio'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/OH0107841 · MCP: https://passage-data.com/mcp