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South Solon, Village of

Sewage treatment plant, South Solon, Ohio. NPDES permit OH0021458, in force until Jun 30, 2028. Last 12 months: over a limit 30 times (last August 2026), 194 required values missing, 4 of 24 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: outfall 001 form A monthly (23 values), outfall 300 form A monthly (2 values)
Renewal application due
Jan 2, 2028 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
29 values over a limit, 198 required values missing, 10 of 26 reports late

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

All 30 values over a limit
Period endingParameterReportedLimitOver by
May 2026BOD, carbonaceous [5 day, 20 C], weekly maximum16≤ 15 mg/L7%
May 2026BOD, carbonaceous [5 day, 20 C], weekly maximum16≤ 15 mg/L7%
May 2026Nitrogen, ammonia total [as N], monthly average17.6≤ 1 mg/L1660%
May 2026Nitrogen, ammonia total [as N], monthly average17.6≤ 1 mg/L1660%
May 2026Nitrogen, ammonia total [as N], monthly average2.88≤ .4 kg/d620%
May 2026Nitrogen, ammonia total [as N], monthly average2.88≤ .4 kg/d620%
May 2026Nitrogen, ammonia total [as N], weekly maximum19.1≤ 1.5 mg/L1173%
May 2026Nitrogen, ammonia total [as N], weekly maximum19.1≤ 1.5 mg/L1173%
May 2026Nitrogen, ammonia total [as N], weekly maximum3.92≤ .6 kg/d553%
May 2026Nitrogen, ammonia total [as N], weekly maximum3.92≤ .6 kg/d553%
June 2026BOD, carbonaceous [5 day, 20 C], monthly average36≤ 10 mg/L260%
June 2026BOD, carbonaceous [5 day, 20 C], monthly average5.4≤ 3.7 kg/d46%
June 2026BOD, carbonaceous [5 day, 20 C], weekly maximum14≤ 5.6 kg/d150%
June 2026BOD, carbonaceous [5 day, 20 C], weekly maximum85≤ 15 mg/L467%
June 2026E. coli, MTEC-MF, monthly geometric mean520≤ 126 MPN/100mL313%
June 2026E. coli, MTEC-MF, weekly geometric mean520≤ 284 MPN/100mL83%
June 2026Nitrogen, ammonia total [as N], monthly average21.8≤ 1 mg/L2080%
June 2026Nitrogen, ammonia total [as N], monthly average3.07≤ .4 kg/d668%
June 2026Nitrogen, ammonia total [as N], weekly maximum28.1≤ 1.5 mg/L1773%
June 2026Nitrogen, ammonia total [as N], weekly maximum4.36≤ .6 kg/d627%
June 2026Solids, total suspended, monthly average38≤ 12 mg/L217%
June 2026Solids, total suspended, monthly average6.1≤ 4.5 kg/d36%
June 2026Solids, total suspended, weekly maximum140≤ 18 mg/L678%
June 2026Solids, total suspended, weekly maximum23≤ 6.7 kg/d243%
July 2026Nitrogen, ammonia total [as N], monthly average10≤ 1 mg/L900%
July 2026Nitrogen, ammonia total [as N], monthly average3.76≤ .4 kg/d840%
July 2026Nitrogen, ammonia total [as N], weekly maximum19.8≤ 1.5 mg/L1220%
July 2026Nitrogen, ammonia total [as N], weekly maximum7.49≤ .6 kg/d1148%
August 2026Nitrogen, ammonia total [as N], monthly average1.6≤ 1 mg/L60%
August 2026Nitrogen, ammonia total [as N], weekly maximum4.4≤ 1.5 mg/L193%

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
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≤ 4.5 kg/dall year001
Solids, total suspendedweekly maximum≤ 6.7 kg/dall year001
Nitrogen, ammonia total [as N]monthly average≤ 1 mg/LMay–Oct001
Nitrogen, ammonia total [as N]monthly average≤ 1.9 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≤ 2.8 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ .4 kg/dMay–Oct001
Nitrogen, ammonia total [as N]monthly average≤ .7 kg/dJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]weekly maximum≤ .6 kg/dMay–Oct001
Nitrogen, ammonia total [as N]weekly maximum≤ 1 kg/dJan, Feb, Mar, Apr, Nov, 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
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≤ 3.7 kg/dall year001
BOD, carbonaceous [5 day, 20 C]weekly maximum≤ 5.6 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
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/OH0021458 · MCP: https://passage-data.com/mcp