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ODNR Division of Parks and Recreation

Sewage treatment plant, College Corner, Ohio. NPDES permit OH0037541, in force until Jan 31, 2029. Last 12 months: over a limit once (last March 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: outfall 001 form A monthly (29 values), outfall 300 form A monthly (2 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
1 value over a limit, 0 required values missing, 2 of 25 reports late

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

Period endingParameterReportedLimitOver by
March 2026Solids, total suspended, weekly maximum5.7≤ 3.74 kg/d52%

Limits in force (37)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. centigrademonthly averagereport only (deg C)all year001
Temperature, water deg. centigradedaily maximumreport only (deg C)all year001
Oxygen, dissolved [DO]daily minimum≥ 6 mg/Lall year001
pHdaily minimum≥ 6.5 SUall year001
pHdaily maximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 12 mg/Lall year001
Solids, total suspendedweekly maximum≤ 18 mg/Lall year001
Solids, total suspendedmonthly average≤ 2.49 kg/dall year001
Solids, total suspendedweekly maximum≤ 3.74 kg/dall year001
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)Jan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 2 mg/LMay–Oct001
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)Jan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]weekly maximum≤ 3 mg/LMay–Oct001
Nitrogen, ammonia total [as N]monthly average≤ .41 kg/dMay–Oct001
Nitrogen, ammonia total [as N]weekly maximum≤ .62 kg/dMay–Oct001
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)Jan, Mar, May, Jul, Sep, Nov001
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)Jan, Mar, May, Jul, Sep, Nov001
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)Jan, Mar, May, Jul, Sep, Nov001
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)Jan, Mar, May, Jul, Sep, Nov001
Phosphorus, total [as P]monthly averagereport only (mg/L)all year001
Phosphorus, total [as P]daily maximumreport only (mg/L)all year001
Turbidity [severity]monthly averagereport only (severity)all year001
Turbidity [severity]daily maximumreport only (severity)all year001
E. coli, MTEC-MFmonthly geometric mean≤ 126 MPN/100mLMay–Oct001
E. coli, MTEC-MFweekly geometric mean≤ 284 MPN/100mLMay–Oct001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Solids, total dissolved- 180 deg. Cmonthly averagereport only (mg/L)Jun, Dec001
Solids, total dissolved- 180 deg. Cdaily maximumreport only (mg/L)Jun, Dec001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 10 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]weekly maximum≤ 15 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 2.09 kg/dall year001
BOD, carbonaceous [5 day, 20 C]weekly maximum≤ 3.12 kg/dall year001
Overflowsmonthly averagereport only (occur/mo)all year300
Overflowsdaily maximumreport only (occur/mo)all year300
Biosolids weight indluding admixturesmonthly averagereport only (dry ton)Dec586
Biosolids weight indluding admixturesdaily maximumreport only (dry ton)Dec586

How strict are these limits?

Cited limits by parameter: Ohio's rules and the federal ones.

Check this month's numbers Email me before each report is due

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/OH0037541 · MCP: https://passage-data.com/mcp