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HighCo Inc

Vocational Schools, Hillsboro, Ohio. NPDES permit OH0151246 expired Aug 31, 2026; its limits still apply. 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)
Last report on file
August 2026
Oct 2024 – Sep 2025
3 values over a limit, 0 required values missing, 0 of 14 reports late

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

Period endingParameterReportedLimitOver by
June 2026BOD, carbonaceous [5 day, 20 C], monthly average12≤ 10 mg/L20%
June 2026E. coli, MTEC-MF, monthly geometric mean5480≤ 126 #/100mL4249%
June 2026E. coli, MTEC-MF, weekly geometric mean5480≤ 284 #/100mL1830%
June 2026Nitrogen, ammonia total [as N], monthly average1.3≤ 1 mg/L30%
August 2026E. coli, MTEC-MF, monthly geometric mean9800≤ 126 #/100mL7678%
August 2026E. coli, MTEC-MF, weekly geometric mean9800≤ 284 #/100mL3351%

Limits in force (29)

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≤ .0318 kg/dMar, Jun, Aug, Dec001
Solids, total suspendedweekly maximum≤ .0477 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≤ .00795 kg/dMar, Dec001
Nitrogen, ammonia total [as N]monthly average≤ .00265 kg/dJun, Aug001
Nitrogen, ammonia total [as N]weekly maximum≤ .012 kg/dMar, Dec001
Nitrogen, ammonia total [as N]weekly maximum≤ .00398 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 #/100mLJun, Aug001
E. coli, MTEC-MFweekly geometric mean≤ 284 #/100mLJun, 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≤ .0265 kg/dMar, Jun, Aug, Dec001
BOD, carbonaceous [5 day, 20 C]weekly maximum≤ .0398 kg/dMar, Jun, Aug, Dec001
Biosolids weight indluding admixturesmonthly averagereport only (dry ton)Dec586
Biosolids weight indluding admixturesdaily maximumreport only (dry ton)Dec586
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 102 Educational Services 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/OH0151246 · MCP: https://passage-data.com/mcp