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Coalton, Village of

Sewage treatment plant, Coalton, Ohio. NPDES permit OH0050776, in force until Dec 31, 2027. Last 12 months: over a limit 3 times (last August 2026), 5 of 23 reports late. 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)
Renewal application due
Jul 4, 2027 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
6 values over a limit, 0 required values missing, 0 of 25 reports late

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

Period endingParameterReportedLimitOver by
November 2025Nitrogen, ammonia total [as N], monthly average3.52≤ 3 mg/L17%
November 2025Nitrogen, ammonia total [as N], weekly maximum5.74≤ 4.5 mg/L28%
August 2026BOD, carbonaceous [5 day, 20 C], weekly maximum20≤ 15 mg/L33%

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≤ 4.54 kg/dall year001
Solids, total suspendedweekly maximum≤ 6.81 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≤ .38 kg/dMay–Oct001
Nitrogen, ammonia total [as N]monthly average≤ 1.13 kg/dJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]weekly maximum≤ .57 kg/dMay–Oct001
Nitrogen, ammonia total [as N]weekly maximum≤ 1.7 kg/dJan, Feb, Mar, Apr, Nov, Dec001
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
E. coli, MTEC-MFmonthly geometric mean≤ 126 MPN/100mLMay–Oct001
E. coli, MTEC-MFweekly geometric mean≤ 284 MPN/100mLMay–Oct001
Rainfallmonthly averagereport only (in)all year001
Rainfalldaily maximumreport only (in)all year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
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≤ 3.78 kg/dall year001
BOD, carbonaceous [5 day, 20 C]weekly maximum≤ 5.68 kg/dall year001
Overflowsmonthly averagereport only (occur/mo)all year300
Overflowsdaily maximumreport only (occur/mo)all year300
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.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/OH0050776 · MCP: https://passage-data.com/mcp