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Village of Lyons WWTP

Sewage treatment plant, Lyons, Ohio. NPDES permit OH0029408, in force until Jul 31, 2031. Last 12 months: over a limit once (last August 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: outfall 001 form A monthly (17 values), outfall 300 form A monthly (2 values), outfall 801 form A monthly (2 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
1 value over a limit, 0 required values missing, 0 of 36 reports late

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

Period endingParameterReportedLimit
August 2026pH, daily maximum9.4≤ 9 SU

Limits in force (22)

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≤ 65 mg/Lall year001
Solids, total suspendedweekly maximum≤ 90 mg/Lall year001
Oil and grease, hexane extr methoddaily maximum≤ 10 mg/LMar, Jun, Aug, Dec001
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)all year001
Nitrogen, ammonia 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 meanreport only (MPN/100mL)May–Oct001
E. coli, MTEC-MFdaily maximumreport only (MPN/100mL)May–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
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]weekly maximum≤ 40 mg/Lall year001
Overflowsmonthly averagereport only (occur/mo)all year300
Overflowsdaily maximumreport only (occur/mo)all year300
Streamflowmonthly averagereport only (cfs)all year801
Streamflowdaily maximumreport only (cfs)all year801

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/OH0029408 · MCP: https://passage-data.com/mcp