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South Webster, Village of

Sewage treatment plant, South Webster, Ohio. NPDES permit OH0041416, in force until Sep 30, 2027. Last 12 months: over a limit 20 times (last July 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), outfall 601 form A monthly (4 values), outfall 801 form A monthly (2 values)
Renewal application due
Apr 3, 2027 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
49 values over a limit, 0 required values missing, 0 of 49 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 mean400≤ 284 MPN/100mL41%
December 2025Nitrogen, ammonia total [as N], monthly average5.6≤ 3 mg/L87%
December 2025Nitrogen, ammonia total [as N], weekly maximum8.4≤ 4.5 mg/L87%
January 2026Nitrogen, ammonia total [as N], monthly average3.7≤ 3 mg/L23%
January 2026Nitrogen, ammonia total [as N], weekly maximum5.1≤ 4.5 mg/L13%
February 2026Nitrogen, ammonia total [as N], monthly average5.3≤ 3 mg/L77%
February 2026Nitrogen, ammonia total [as N], weekly maximum8.6≤ 4.5 mg/L91%
March 2026Nitrogen, ammonia total [as N], monthly average5.2≤ 3 mg/L73%
March 2026Nitrogen, ammonia total [as N], weekly maximum9.2≤ 4.5 mg/L104%
April 2026Nitrogen, ammonia total [as N], monthly average10≤ 3 mg/L233%
April 2026Nitrogen, ammonia total [as N], weekly maximum10≤ 4.5 mg/L122%
May 2026Nitrogen, ammonia total [as N], monthly average1.7≤ 1 mg/L70%
May 2026Nitrogen, ammonia total [as N], weekly maximum2.6≤ 1.5 mg/L73%
June 2026Nitrogen, ammonia total [as N], monthly average1≤ .568 kg/d76%
June 2026Nitrogen, ammonia total [as N], monthly average2.5≤ 1 mg/L150%
June 2026Nitrogen, ammonia total [as N], weekly maximum2.9≤ .852 kg/d240%
June 2026Nitrogen, ammonia total [as N], weekly maximum6.3≤ 1.5 mg/L320%
July 2026Nitrogen, ammonia total [as N], monthly average1.4≤ 1 mg/L40%
July 2026Nitrogen, ammonia total [as N], weekly maximum1.4≤ .852 kg/d64%
July 2026Nitrogen, ammonia total [as N], weekly maximum6.6≤ 1.5 mg/L340%

Limits in force (64)

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≤ 6.8 kg/dall year001
Solids, total suspendedweekly maximum≤ 10.2 kg/dall year001
Oil and grease, hexane extr methoddaily maximum≤ 10 mg/LMar, Jun, Aug, Dec001
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≤ .568 kg/dMay–Oct001
Nitrogen, ammonia total [as N]monthly average≤ 1.71 kg/dJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]weekly maximum≤ .852 kg/dMay–Oct001
Nitrogen, ammonia total [as N]weekly maximum≤ 2.56 kg/dJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)all year001
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)all year001
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)all year001
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)all year001
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
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Mercury, total low levelmonthly averagereport only (ng/L)Sep001
Mercury, total low leveldaily maximumreport only (ng/L)Sep001
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≤ 5.7 kg/dall year001
BOD, carbonaceous [5 day, 20 C]weekly maximum≤ 8.5 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
Solids, total suspendedmonthly averagereport only (mg/L)all year601
Solids, total suspendeddaily maximumreport only (mg/L)all year601
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)all year601
BOD, carbonaceous [5 day, 20 C]daily maximumreport only (mg/L)all year601
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)Mar, Jun, Aug, Dec801
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)Mar, Jun, Aug, Dec801
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)Mar, Jun, Aug, Dec801
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)Mar, Jun, Aug, Dec801
Phosphorus, total [as P]monthly averagereport only (mg/L)Mar, Jun, Aug, Dec801
Phosphorus, total [as P]daily maximumreport only (mg/L)Mar, Jun, Aug, Dec801
E. coli, MTEC-MFmonthly geometric meanreport only (MPN/100mL)May–Oct801
E. coli, MTEC-MFdaily maximumreport only (MPN/100mL)May–Oct801
Temperature, water deg. centigrademonthly averagereport only (deg C)Mar, Jun, Aug, Dec901
Temperature, water deg. centigradedaily maximumreport only (deg C)Mar, Jun, Aug, Dec901
pHdaily minimumreport only (SU)Mar, Jun, Aug, Dec901
pHdaily maximumreport only (SU)Mar, Jun, Aug, Dec901
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)Mar, Jun, Aug, Dec901
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)Mar, Jun, Aug, Dec901
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)Mar, Jun, Aug, Dec901
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)Mar, Jun, Aug, Dec901
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)Mar, Jun, Aug, Dec901
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)Mar, Jun, Aug, Dec901
Phosphorus, total [as P]monthly averagereport only (mg/L)Mar, Jun, Aug, Dec901
Phosphorus, total [as P]daily maximumreport only (mg/L)Mar, Jun, Aug, Dec901
E. coli, MTEC-MFmonthly geometric meanreport only (MPN/100mL)Jun, Aug901
E. coli, MTEC-MFdaily maximumreport only (MPN/100mL)Jun, Aug901

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/OH0041416 · MCP: https://passage-data.com/mcp