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University School

Elementary And Secondary Schools, Hunting Valley, Ohio. NPDES permit OH0129224, in force until Sep 30, 2027. Last 12 months: over a limit 4 times (last August 2026), 1 of 18 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: form A monthly (5 values)
Renewal application due
Apr 3, 2027 · 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, 3 of 19 reports late

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

Period endingParameterReportedLimitOver by
March 2026BOD, carbonaceous [5 day, 20 C], monthly average.5944≤ .455 kg/d31%
March 2026Nitrogen, ammonia total [as N], monthly average.13≤ .122 kg/d7%
August 2026E. coli, MTEC-MF, monthly geometric meanT≤ 161 MPN/100mL—
August 2026E. coli, MTEC-MF, weekly geometric meanT≤ 362 MPN/100mL—

Limits in force (38)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]daily minimumreport only (mg/L)Feb, Apr, Jun, Aug, Oct, Dec001
pHdaily minimumreport only (SU)Feb, Apr, Jun, Aug, Oct, Dec001
pHdaily maximumreport only (SU)Feb, Apr, Jun, Aug, Oct, Dec001
Solids, total suspendedmonthly averagereport only (mg/L)Feb, Apr, Jun, Aug, Oct, Dec001
Solids, total suspendeddaily maximumreport only (mg/L)Feb, Apr, Jun, Aug, Oct, Dec001
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)Feb, Apr, Jun, Aug, Oct, Dec001
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)Feb, Apr, Jun, Aug, Oct, Dec001
Chlorine, total residualdaily maximum≤ .019 mg/LFeb, Apr, Jun, Aug, Oct, Dec001
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)Feb, Apr, Jun, Aug, Oct, Dec001
BOD, carbonaceous [5 day, 20 C]daily maximumreport only (mg/L)Feb, Apr, Jun, Aug, Oct, Dec001
Sludge waste from secondary clarifiersmonthly averagereport only (gal)Dec588
Sludge waste from secondary clarifiersdaily maximumreport only (gal)Dec588
Flow ratemonthly averagereport only (gal/d)all year602
Flow ratedaily maximumreport only (gal/d)all year602
Oxygen, dissolved [DO]daily minimum≥ 5 mg/LMar, Jun, Aug, Dec602
pHdaily minimum≥ 6.5 SUMar, Jun, Aug, Dec602
pHdaily maximum≤ 9 SUMar, Jun, Aug, Dec602
Solids, total suspendedmonthly average≤ 30 mg/LMar, Jun, Aug, Dec602
Solids, total suspendedweekly maximum≤ 45 mg/LMar, Jun, Aug, Dec602
Solids, total suspendedmonthly average≤ .91 kg/dMar, Jun, Aug, Dec602
Solids, total suspendedweekly maximum≤ 1.37 kg/dMar, Jun, Aug, Dec602
Nitrogen, ammonia total [as N]monthly average≤ 4 mg/LMar, Dec602
Nitrogen, ammonia total [as N]monthly average≤ 2 mg/LJun, Aug602
Nitrogen, ammonia total [as N]weekly maximum≤ 6 mg/LMar, Dec602
Nitrogen, ammonia total [as N]weekly maximum≤ 3 mg/LJun, Aug602
Nitrogen, ammonia total [as N]monthly average≤ .122 kg/dMar, Dec602
Nitrogen, ammonia total [as N]monthly average≤ .061 kg/dJun, Aug602
Nitrogen, ammonia total [as N]weekly maximum≤ .182 kg/dMar, Dec602
Nitrogen, ammonia total [as N]weekly maximum≤ .091 kg/dJun, Aug602
Turbidity [severity]monthly averagereport only (severity)all year602
Turbidity [severity]daily maximumreport only (severity)all year602
E. coli, MTEC-MFmonthly geometric mean≤ 161 MPN/100mLJun, Aug602
E. coli, MTEC-MFweekly geometric mean≤ 362 MPN/100mLJun, Aug602
Chlorine, total residualdaily maximumreport only (mg/L)May–Oct602
BOD, carbonaceous [5 day, 20 C]monthly average≤ 15 mg/LMar, Jun, Aug, Dec602
BOD, carbonaceous [5 day, 20 C]weekly maximum≤ 22.5 mg/LMar, Jun, Aug, Dec602
BOD, carbonaceous [5 day, 20 C]monthly average≤ .455 kg/dMar, Jun, Aug, Dec602
BOD, carbonaceous [5 day, 20 C]weekly maximum≤ .682 kg/dMar, Jun, Aug, Dec602

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/OH0129224 · MCP: https://passage-data.com/mcp