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Old Fort Local School

Elementary And Secondary Schools, Old Fort, Ohio. NPDES permit OH0137863, in force until Sep 30, 2030. Last 12 months: over a limit 20 times (last May 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: form A monthly (23 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
3 values over a limit, 50 required values missing, 0 of 13 reports late

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

All 20 values over a limit
Period endingParameterReportedLimitOver by
October 2025E. coli, MTEC-MF, weekly geometric mean6870≤ 284 MPN/100mL2319%
January 2026Nitrogen, ammonia total [as N], monthly average.644≤ .171 kg/d277%
January 2026Nitrogen, ammonia total [as N], monthly average18.9≤ 3 mg/L530%
January 2026Nitrogen, ammonia total [as N], weekly maximum.644≤ .256 kg/d152%
January 2026Nitrogen, ammonia total [as N], weekly maximum18.9≤ 4.5 mg/L320%
February 2026Nitrogen, ammonia total [as N], monthly average2.36≤ .171 kg/d1280%
February 2026Nitrogen, ammonia total [as N], monthly average69.3≤ 3 mg/L2210%
February 2026Nitrogen, ammonia total [as N], weekly maximum2.36≤ .256 kg/d822%
February 2026Nitrogen, ammonia total [as N], weekly maximum69.3≤ 4.5 mg/L1440%
February 2026Solids, total suspended, monthly average.72≤ .682 kg/d6%
February 2026Solids, total suspended, monthly average21≤ 12 mg/L75%
February 2026Solids, total suspended, weekly maximum21≤ 18 mg/L17%
April 2026Solids, total suspended, monthly average1.2≤ .682 kg/d76%
April 2026Solids, total suspended, monthly average36≤ 12 mg/L200%
April 2026Solids, total suspended, weekly maximum1.2≤ 1.03 kg/d17%
April 2026Solids, total suspended, weekly maximum36≤ 18 mg/L100%
May 2026E. coli, MTEC-MF, monthly geometric mean1160≤ 126 MPN/100mL821%
May 2026E. coli, MTEC-MF, weekly geometric mean1160≤ 284 MPN/100mL308%
May 2026Nitrogen, ammonia total [as N], monthly average2.1≤ 1 mg/L110%
May 2026Nitrogen, ammonia total [as N], weekly maximum2.1≤ 1.5 mg/L40%

Limits in force (33)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. centigrademonthly averagereport only (deg C)all year001
Temperature, water deg. centigradedaily maximumreport only (deg C)all year001
Flow ratemonthly averagereport only (gal/d)all year001
Flow ratedaily maximumreport only (gal/d)all year001
Oxygen, dissolved [DO]daily minimum≥ 5 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≤ .682 kg/dall year001
Solids, total suspendedweekly maximum≤ 1.03 kg/dall year001
Nitrogen, ammonia total [as N]monthly average≤ 1 mg/LMay–Oct001
Nitrogen, ammonia total [as N]monthly average≤ 3 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]weekly maximum≤ 1.5 mg/LMay–Oct001
Nitrogen, ammonia total [as N]weekly maximum≤ 4.5 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ .0568 kg/dMay–Oct001
Nitrogen, ammonia total [as N]monthly average≤ .171 kg/dJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]weekly maximum≤ .0852 kg/dMay–Oct001
Nitrogen, ammonia total [as N]weekly maximum≤ .256 kg/dJan, Feb, Mar, Apr, Nov, Dec001
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)Mar, Jun, Aug, Dec001
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)Mar, Jun, Aug, Dec001
Phosphorus, total [as P]monthly averagereport only (mg/L)Mar, Jun, Aug, Dec001
Phosphorus, total [as P]daily maximumreport only (mg/L)Mar, Jun, Aug, Dec001
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
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≤ .568 kg/dall year001
BOD, carbonaceous [5 day, 20 C]weekly maximum≤ .852 kg/dall year001
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/OH0137863 · MCP: https://passage-data.com/mcp