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Northtown Community LLc

Sewerage Systems, Greenville, Ohio. NPDES permit OH0141500, in force until Feb 28, 2030. Last 12 months: over a limit 22 times (last September 2026), 2 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: form A monthly (23 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
7 values over a limit, 4 required values missing, 0 of 13 reports late

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

All 22 values over a limit
Period endingParameterReportedLimitOver by
May 2026E. coli, MTEC-MF, monthly geometric mean561≤ 126 MPN/100mL345%
May 2026E. coli, MTEC-MF, weekly geometric mean561≤ 284 MPN/100mL98%
May 2026Nitrogen, ammonia total [as N], monthly average.13≤ .0265 kg/d391%
May 2026Nitrogen, ammonia total [as N], monthly average3.1≤ 1 mg/L210%
May 2026Nitrogen, ammonia total [as N], weekly maximum.13≤ .0398 kg/d227%
May 2026Nitrogen, ammonia total [as N], weekly maximum3.1≤ 1.5 mg/L107%
June 2026E. coli, MTEC-MF, monthly geometric mean645≤ 126 MPN/100mL412%
June 2026E. coli, MTEC-MF, weekly geometric mean645≤ 284 MPN/100mL127%
June 2026Nitrogen, ammonia total [as N], monthly average.086≤ .0265 kg/d225%
June 2026Nitrogen, ammonia total [as N], monthly average3.9≤ 1 mg/L290%
June 2026Nitrogen, ammonia total [as N], weekly maximum.086≤ .0398 kg/d116%
June 2026Nitrogen, ammonia total [as N], weekly maximum3.9≤ 1.5 mg/L160%
July 2026BOD, carbonaceous [5 day, 20 C], monthly average.44≤ .265 kg/d66%
July 2026BOD, carbonaceous [5 day, 20 C], monthly average20≤ 10 mg/L100%
July 2026BOD, carbonaceous [5 day, 20 C], weekly maximum.44≤ .398 kg/d11%
July 2026BOD, carbonaceous [5 day, 20 C], weekly maximum20≤ 15 mg/L33%
July 2026E. coli, MTEC-MF, monthly geometric mean310≤ 126 MPN/100mL146%
July 2026E. coli, MTEC-MF, weekly geometric mean377≤ 284 MPN/100mL33%
September 2026Nitrogen, ammonia total [as N], monthly average.064≤ .0265 kg/d142%
September 2026Nitrogen, ammonia total [as N], monthly average5.8≤ 1 mg/L480%
September 2026Nitrogen, ammonia total [as N], weekly maximum.064≤ .0398 kg/d61%
September 2026Nitrogen, ammonia total [as N], weekly maximum5.8≤ 1.5 mg/L287%

Limits in force (31)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. centigrademonthly averagereport only (deg C)all year001
Temperature, water deg. centigradedaily maximumreport only (deg C)all year001
Flow ratemonthly averagereport only (gal/d)all year001
Flow ratedaily maximumreport only (gal/d)all year001
Oxygen, dissolved [DO]daily minimum≥ 6 mg/Lall year001
pHdaily minimum≥ 6.5 SUall year001
pHdaily maximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 12 mg/Lall year001
Solids, total suspendedweekly maximum≤ 18 mg/Lall year001
Solids, total suspendedmonthly average≤ .318 kg/dall year001
Solids, total suspendedweekly maximum≤ .477 kg/dall year001
Nitrogen, ammonia total [as N]monthly average≤ 1 mg/LMay–Oct001
Nitrogen, ammonia total [as N]monthly average≤ 2.5 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]weekly maximum≤ 1.5 mg/LMay–Oct001
Nitrogen, ammonia total [as N]weekly maximum≤ 3.75 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ .0265 kg/dMay–Oct001
Nitrogen, ammonia total [as N]monthly average≤ .0663 kg/dJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]weekly maximum≤ .0398 kg/dMay–Oct001
Nitrogen, ammonia total [as N]weekly maximum≤ .0994 kg/dJan, Feb, Mar, Apr, Nov, Dec001
Phosphorus, total [as P]monthly averagereport only (mg/L)Mar, Jun, Aug, Dec001
Phosphorus, total [as P]daily maximumreport only (mg/L)Mar, 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/100mLMay–Oct001
E. coli, MTEC-MFweekly geometric mean≤ 284 MPN/100mLMay–Oct001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 10 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]weekly maximum≤ 15 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ .265 kg/dall year001
BOD, carbonaceous [5 day, 20 C]weekly maximum≤ .398 kg/dall year001
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/OH0141500 · MCP: https://passage-data.com/mcp