University School

NPDES permit OH0129224 · Minor NON-POTW · effective, expires 2027-09-30 · EPA's file as of 2026-09-19

Check this month's numbers before you file
Watch this permit — $79 a month. Every Monday, from EPA's newest files: the next report due and when, whether EPA's file holds your last one, any change to this permit's limits or status, and the renewal date.

EPA's record, 2025-09-01 to 2026-08-31

2values over a limit
0required values missing, on 0 form(s)
1of 17 forms filed late

Last period with anything received: 2026-07-31. Most often over: BOD, carbonaceous [5 day, 20 C] (1), Nitrogen, ammonia total [as N] (1).

Reporting

Reports are due about 20 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (38)

OutfallParameterStatisticLimitMonths
001Oxygen, dissolved [DO]DAILY MN report only Feb, Apr, Jun, Aug, Oct, Dec
001pHDAILY MN report only Feb, Apr, Jun, Aug, Oct, Dec
001pHDAILY MX report only Feb, Apr, Jun, Aug, Oct, Dec
001Solids, total suspendedMO AVG report only Feb, Apr, Jun, Aug, Oct, Dec
001Solids, total suspendedDAILY MX report only Feb, Apr, Jun, Aug, Oct, Dec
001Nitrogen, ammonia total [as N]MO AVG report only Feb, Apr, Jun, Aug, Oct, Dec
001Nitrogen, ammonia total [as N]DAILY MX report only Feb, Apr, Jun, Aug, Oct, Dec
001Chlorine, total residualDAILY MX <= .019 mg/L Feb, Apr, Jun, Aug, Oct, Dec
001BOD, carbonaceous [5 day, 20 C]MO AVG report only Feb, Apr, Jun, Aug, Oct, Dec
001BOD, carbonaceous [5 day, 20 C]DAILY MX report only Feb, Apr, Jun, Aug, Oct, Dec
588Sludge waste from secondary clarifiersMO AVG report only Dec
588Sludge waste from secondary clarifiersDAILY MX report only Dec
602Flow rateMO AVG report only all year
602Flow rateDAILY MX report only all year
602Oxygen, dissolved [DO]DAILY MN >= 5 mg/L Mar, Jun, Aug, Dec
602pHDAILY MN >= 6.5 SU Mar, Jun, Aug, Dec
602pHDAILY MX <= 9 SU Mar, Jun, Aug, Dec
602Solids, total suspendedMO AVG <= 30 mg/L Mar, Jun, Aug, Dec
602Solids, total suspendedWKLY MAX <= 45 mg/L Mar, Jun, Aug, Dec
602Solids, total suspendedMO AVG <= .91 kg/d Mar, Jun, Aug, Dec
602Solids, total suspendedWKLY MAX <= 1.37 kg/d Mar, Jun, Aug, Dec
602Nitrogen, ammonia total [as N]MO AVG <= 4 mg/L Mar, Dec
602Nitrogen, ammonia total [as N]MO AVG <= 2 mg/L Jun, Aug
602Nitrogen, ammonia total [as N]WKLY MAX <= 6 mg/L Mar, Dec
602Nitrogen, ammonia total [as N]WKLY MAX <= 3 mg/L Jun, Aug
602Nitrogen, ammonia total [as N]MO AVG <= .122 kg/d Mar, Dec
602Nitrogen, ammonia total [as N]MO AVG <= .061 kg/d Jun, Aug
602Nitrogen, ammonia total [as N]WKLY MAX <= .182 kg/d Mar, Dec
602Nitrogen, ammonia total [as N]WKLY MAX <= .091 kg/d Jun, Aug
602Turbidity [severity]MO AVG report only all year
602Turbidity [severity]DAILY MX report only all year
602E. coli, MTEC-MFMO GEOMN <= 161 MPN/100mL Jun, Aug
602E. coli, MTEC-MFWK GEOMN <= 362 MPN/100mL Jun, Aug
602Chlorine, total residualDAILY MX report only May, Jun, Jul, Aug, Sep, Oct
602BOD, carbonaceous [5 day, 20 C]MO AVG <= 15 mg/L Mar, Jun, Aug, Dec
602BOD, carbonaceous [5 day, 20 C]WKLY MAX <= 22.5 mg/L Mar, Jun, Aug, Dec
602BOD, carbonaceous [5 day, 20 C]MO AVG <= .455 kg/d Mar, Jun, Aug, Dec
602BOD, carbonaceous [5 day, 20 C]WKLY MAX <= .682 kg/d Mar, Jun, Aug, Dec

Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states