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Molnar Inc

Sewage treatment plant, Chillicothe, Ohio. NPDES permit OH0125148, in force until Dec 31, 2027. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: form A monthly (6 values)
Renewal application due
Jul 4, 2027 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
2 values over a limit, 0 required values missing, 0 of 13 reports late

Limits in force (33)

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/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 suspendeddaily maximum≤ 18 mg/LMar, Jun, Aug, Dec001
Solids, total suspendedmonthly average≤ 1.64 kg/dMar, Jun, Aug, Dec001
Solids, total suspendeddaily maximum≤ 2.46 kg/dMar, Jun, Aug, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 3 mg/LMar, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 1 mg/LJun, Aug001
Nitrogen, ammonia total [as N]daily maximum≤ 4.5 mg/LMar, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ 1.5 mg/LJun, Aug001
Nitrogen, ammonia total [as N]monthly average≤ .409 kg/dMar, Dec001
Nitrogen, ammonia total [as N]monthly average≤ .137 kg/dJun, Aug001
Nitrogen, ammonia total [as N]daily maximum≤ .614 kg/dMar, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ .205 kg/dJun, Aug001
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/100mLJun, Aug001
E. coli, MTEC-MFweekly geometric mean≤ 284 MPN/100mLJun, Aug001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 10 mg/LMar, Jun, Aug, Dec001
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 15 mg/LMar, Jun, Aug, Dec001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 1.37 kg/dMar, Jun, Aug, Dec001
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 2.05 kg/dMar, Jun, Aug, Dec001
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.

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/OH0125148 · MCP: https://passage-data.com/mcp