Rock Creek WWTP

NPDES permit OH0107204 · Minor POTW · effective, expires 2028-06-30 · EPA's file as of 2026-09-19

Check this month's numbers before you file

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

6values over a limit
22required values missing, on 11 form(s)
0of 24 forms filed late

Last period with anything received: 2026-07-31. Most often over: E. coli, MTEC-MF (4), pH (1), BOD, carbonaceous [5 day, 20 C] (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 (49)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigradeMO AVG report only all year
001Temperature, water deg. centigradeDAILY MX report only all year
001Oxygen, dissolved [DO]DAILY MN >= 5 mg/L Jan, Feb, Mar, Apr, Nov, Dec
001Oxygen, dissolved [DO]DAILY MN >= 7 mg/L May, Jun, Jul, Aug, Sep, Oct
001pHDAILY MN >= 6.5 SU all year
001pHDAILY MX <= 9 SU all year
001Solids, total suspendedMO AVG <= 12 mg/L May, Jun, Jul, Aug, Sep, Oct
001Solids, total suspendedMO AVG <= 30 mg/L Jan, Feb, Mar, Apr, Nov, Dec
001Solids, total suspendedWKLY MAX <= 18 mg/L May, Jun, Jul, Aug, Sep, Oct
001Solids, total suspendedWKLY MAX <= 45 mg/L Jan, Feb, Mar, Apr, Nov, Dec
001Solids, total suspendedMO AVG <= 3.2 kg/d May, Jun, Jul, Aug, Sep, Oct
001Solids, total suspendedMO AVG <= 8 kg/d Jan, Feb, Mar, Apr, Nov, Dec
001Solids, total suspendedWKLY MAX <= 4.8 kg/d May, Jun, Jul, Aug, Sep, Oct
001Solids, total suspendedWKLY MAX <= 12 kg/d Jan, Feb, Mar, Apr, Nov, Dec
001Nitrogen, ammonia total [as N]MO AVG <= 1.5 mg/L May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]MO AVG report only Jan, Feb, Mar, Apr, Nov, Dec
001Nitrogen, ammonia total [as N]WKLY MAX <= 2.3 mg/L May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]DAILY MX report only Jan, Feb, Mar, Apr, Nov, Dec
001Nitrogen, ammonia total [as N]MO AVG <= .4 kg/d May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]WKLY MAX <= .61 kg/d May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, Kjeldahl, total [as N]MO AVG report only Jan, Mar, May, Jul, Sep, Nov
001Nitrogen, Kjeldahl, total [as N]DAILY MX report only Jan, Mar, May, Jul, Sep, Nov
001Nitrite + Nitrate total [as N]MO AVG report only Jan, Mar, May, Jul, Sep, Nov
001Nitrite + Nitrate total [as N]DAILY MX report only Jan, Mar, May, Jul, Sep, Nov
001Phosphorus, total [as P]MO AVG report only all year
001Phosphorus, total [as P]DAILY MX report only all year
001Turbidity [severity]MO AVG report only all year
001Turbidity [severity]DAILY MX report only all year
001E. coli, MTEC-MFMO GEOMN <= 126 MPN/100mL May, Jun, Jul, Aug, Sep, Oct
001E. coli, MTEC-MFWK GEOMN <= 284 MPN/100mL May, Jun, Jul, Aug, Sep, Oct
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Chlorine, total residualDAILY MX <= .038 mg/L May, Jun, Jul, Aug, Sep, Oct
001Solids, total dissolved- 180 deg. CMO AVG report only Jan, Mar, May, Jul, Sep, Nov
001Solids, total dissolved- 180 deg. CDAILY MX report only Jan, Mar, May, Jul, Sep, Nov
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 10 mg/L May, Jun, Jul, Aug, Sep, Oct
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 25 mg/L Jan, Feb, Mar, Apr, Nov, Dec
001BOD, carbonaceous [5 day, 20 C]WKLY MAX <= 15 mg/L May, Jun, Jul, Aug, Sep, Oct
001BOD, carbonaceous [5 day, 20 C]WKLY MAX <= 40 mg/L Jan, Feb, Mar, Apr, Nov, Dec
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 2.7 kg/d May, Jun, Jul, Aug, Sep, Oct
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 6.6 kg/d Jan, Feb, Mar, Apr, Nov, Dec
001BOD, carbonaceous [5 day, 20 C]WKLY MAX <= 4 kg/d May, Jun, Jul, Aug, Sep, Oct
001BOD, carbonaceous [5 day, 20 C]WKLY MAX <= 11 kg/d Jan, Feb, Mar, Apr, Nov, Dec
300OverflowsMO AVG report only all year
300OverflowsDAILY MX report only all year
586Biosolids weight indluding admixturesMO AVG report only Dec
586Biosolids weight indluding admixturesDAILY MX report only Dec
588Sludge waste from secondary clarifiersMO AVG report only Dec
588Sludge waste from secondary clarifiersDAILY MX report only 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