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Ohio State Highway Patrol

Police Protection, Southington, Ohio. NPDES permit OH0149390, in force until Jun 30, 2029. Last 12 months: over a limit 20 times (last August 2026). Source: EPA ECHO, Oct 22, 2026.

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

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

All 20 values over a limit
Period endingParameterReportedLimitOver by
December 2025Nitrogen, ammonia total [as N], monthly average.0191≤ .0041 kg/d366%
December 2025Nitrogen, ammonia total [as N], monthly average20.2≤ 3 mg/L573%
December 2025Nitrogen, ammonia total [as N], weekly maximum.0191≤ .0061 kg/d213%
December 2025Nitrogen, ammonia total [as N], weekly maximum20.2≤ 4.5 mg/L349%
March 2026Solids, total suspended, weekly maximum19.5≤ 18 mg/L8%
June 2026E. coli, MTEC-MF, monthly geometric mean2400≤ 126 MPN/100mL1805%
June 2026E. coli, MTEC-MF, weekly geometric mean2400≤ 284 MPN/100mL745%
June 2026Nitrogen, ammonia total [as N], monthly average.0292≤ .0014 kg/d1986%
June 2026Nitrogen, ammonia total [as N], monthly average30.9≤ 1 mg/L2990%
June 2026Nitrogen, ammonia total [as N], weekly maximum.0292≤ .0021 kg/d1290%
June 2026Nitrogen, ammonia total [as N], weekly maximum30.9≤ 1.5 mg/L1960%
August 2026E. coli, MTEC-MF, monthly geometric mean9000≤ 126 MPN/100mL7043%
August 2026E. coli, MTEC-MF, weekly geometric mean9000≤ 284 MPN/100mL3069%
August 2026Nitrogen, ammonia total [as N], monthly average.0194≤ .0014 kg/d1286%
August 2026Nitrogen, ammonia total [as N], monthly average20.5≤ 1 mg/L1950%
August 2026Nitrogen, ammonia total [as N], weekly maximum.0194≤ .0021 kg/d824%
August 2026Nitrogen, ammonia total [as N], weekly maximum20.5≤ 1.5 mg/L1267%
August 2026Solids, total suspended, monthly average.0194≤ .016 kg/d21%
August 2026Solids, total suspended, monthly average20.5≤ 12 mg/L71%
August 2026Solids, total suspended, weekly maximum20.5≤ 18 mg/L14%

Limits in force (28)

ParameterStatisticLimitMonthsOutfall
Flow ratemonthly averagereport only (gal/d)all year001
Flow ratedaily maximumreport only (gal/d)all year001
Oxygen, dissolved [DO]daily minimum≥ 6 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≤ .016 kg/dMar, Jun, Aug, Dec001
Solids, total suspendedweekly maximum≤ .025 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]weekly maximum≤ 4.5 mg/LMar, Dec001
Nitrogen, ammonia total [as N]weekly maximum≤ 1.5 mg/LJun, Aug001
Nitrogen, ammonia total [as N]monthly average≤ .0041 kg/dMar, Dec001
Nitrogen, ammonia total [as N]monthly average≤ .0014 kg/dJun, Aug001
Nitrogen, ammonia total [as N]weekly maximum≤ .0061 kg/dMar, Dec001
Nitrogen, ammonia total [as N]weekly maximum≤ .0021 kg/dJun, Aug001
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≤ .014 kg/dMar, Jun, Aug, Dec001
BOD, carbonaceous [5 day, 20 C]weekly maximum≤ .021 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.

Same industry: the 7 Justice, Public Order and Safety permits in Ohio.

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Your permit document is the final word. As JSON: /api/v1/permits/OH0149390 · MCP: https://passage-data.com/mcp