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Haydenville Wastewater Treatment Plant

Sewage treatment plant, Haydenville, Ohio. NPDES permit OH0107735, in force until May 31, 2030. Last 12 months: over a limit 11 times (last July 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: outfall 001 form A monthly (24 values), outfall 300 form A monthly (2 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
15 values over a limit, 0 required values missing, 0 of 25 reports late

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

Period endingParameterReportedLimitOver by
November 2025Solids, total suspended, monthly average3.3≤ 2.56 kg/d29%
November 2025Solids, total suspended, monthly average42≤ 30 mg/L40%
November 2025Solids, total suspended, weekly maximum4.3≤ 3.84 kg/d12%
January 2026BOD, carbonaceous [5 day, 20 C], monthly average32≤ 25 mg/L28%
January 2026Solids, total suspended, monthly average34≤ 30 mg/L13%
February 2026BOD, carbonaceous [5 day, 20 C], monthly average2.4≤ 2.13 kg/d13%
March 2026BOD, carbonaceous [5 day, 20 C], monthly average3.3≤ 2.13 kg/d55%
March 2026Solids, total suspended, monthly average4.5≤ 2.56 kg/d76%
March 2026Solids, total suspended, weekly maximum4.5≤ 3.84 kg/d17%
May 2026Solids, total suspended, monthly average2.8≤ 2.56 kg/d9%
July 2026BOD, carbonaceous [5 day, 20 C], monthly average27≤ 25 mg/L8%

Limits in force (34)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. centigrademonthly averagereport only (deg C)all year001
Temperature, water deg. centigradedaily maximumreport only (deg C)all year001
Oxygen, dissolved [DO]daily minimum≥ 5 mg/Lall year001
pHdaily minimum≥ 6.5 SUall year001
pHdaily maximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 30 mg/Lall year001
Solids, total suspendedweekly maximum≤ 45 mg/Lall year001
Solids, total suspendedmonthly average≤ 2.56 kg/dall year001
Solids, total suspendedweekly maximum≤ 3.84 kg/dall year001
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)all year001
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year001
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)Mar, Jun, Aug, Dec001
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)Mar, Jun, Aug, Dec001
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)Mar, Jun, Aug, Dec001
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)Mar, Jun, Aug, 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
Rainfallmonthly averagereport only (in)all year001
Rainfalldaily maximumreport only (in)all year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Chlorine, total residualdaily maximum≤ .019 mg/LMay–Oct001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]weekly maximum≤ 40 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 2.13 kg/dall year001
BOD, carbonaceous [5 day, 20 C]weekly maximum≤ 3.41 kg/dall year001
Overflowsmonthly averagereport only (occur/mo)all year300
Overflowsdaily maximumreport only (occur/mo)all year300
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/OH0107735 · MCP: https://passage-data.com/mcp