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The Middle Bass Club

Civic And Social Associations, Middle Bass Island, Ohio. NPDES permit OH0138410, in force until Aug 31, 2028. Last 12 months: over a limit 6 times (last August 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: form A monthly (4 values)
Renewal application due
Mar 4, 2028 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 8 reports late

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

Period endingParameterReportedLimitOver by
June 2026Nitrogen, ammonia total [as N], monthly average.058≤ .02 kg/d190%
June 2026Nitrogen, ammonia total [as N], monthly average7.6≤ 1 mg/L660%
June 2026Nitrogen, ammonia total [as N], weekly maximum.058≤ .03 kg/d93%
June 2026Nitrogen, ammonia total [as N], weekly maximum7.6≤ 1.5 mg/L407%
August 2026E. coli, MTEC-MF, monthly geometric mean602≤ 126 MPN/100mL378%
August 2026E. coli, MTEC-MF, weekly geometric mean602≤ 284 MPN/100mL112%

Limits in force (26)

ParameterStatisticLimitMonthsOutfall
Flow ratemonthly averagereport only (gal/d)May–Oct001
Flow ratedaily maximumreport only (gal/d)May–Oct001
Oxygen, dissolved [DO]daily minimum≥ 6 mg/LJun, Aug001
pHdaily minimum≥ 6.5 SUJun, Aug001
pHdaily maximum≤ 9 SUJun, Aug001
Solids, total suspendedmonthly average≤ 12 mg/LJun, Aug001
Solids, total suspendedweekly maximum≤ 18 mg/LJun, Aug001
Solids, total suspendedmonthly average≤ .23 kg/dJun, Aug001
Solids, total suspendedweekly maximum≤ .34 kg/dJun, Aug001
Nitrogen, ammonia total [as N]monthly average≤ 1 mg/LJun, Aug001
Nitrogen, ammonia total [as N]weekly maximum≤ 1.5 mg/LJun, Aug001
Nitrogen, ammonia total [as N]monthly average≤ .02 kg/dJun, Aug001
Nitrogen, ammonia total [as N]weekly maximum≤ .03 kg/dJun, Aug001
Turbidity [severity]monthly averagereport only (severity)May–Oct001
Turbidity [severity]daily maximumreport only (severity)May–Oct001
E. coli, MTEC-MFmonthly geometric mean≤ 126 MPN/100mLJun, Aug001
E. coli, MTEC-MFweekly geometric mean≤ 284 MPN/100mLJun, Aug001
Chlorine, total residualdaily maximum≤ .038 mg/LJun, Aug001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 10 mg/LJun, Aug001
BOD, carbonaceous [5 day, 20 C]weekly maximum≤ 15 mg/LJun, Aug001
BOD, carbonaceous [5 day, 20 C]monthly average≤ .19 kg/dJun, Aug001
BOD, carbonaceous [5 day, 20 C]weekly maximum≤ .28 kg/dJun, Aug001
Biosolids weight indluding admixturesmonthly averagereport only (dry ton)Oct586
Biosolids weight indluding admixturesdaily maximumreport only (dry ton)Oct586
Sludge waste from secondary clarifiersmonthly averagereport only (gal)Oct588
Sludge waste from secondary clarifiersdaily maximumreport only (gal)Oct588

How strict are these limits?

Cited limits by parameter: Ohio's rules and the federal ones.

Same industry: the 56 Membership Organizations permits in Ohio.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/OH0138410 · MCP: https://passage-data.com/mcp