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Green Meadows MHP

Sewerage Systems, London, Ohio. NPDES permit OH0054526, in force until Feb 28, 2031. Last 12 months: over a limit 43 times (last August 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: form A monthly (29 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
50 values over a limit, 0 required values missing, 0 of 13 reports late

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

All 43 values over a limit
Period endingParameterReportedLimitOver by
October 2025Phosphorus, total [as P], monthly average.366≤ .31 kg/d18%
October 2025Phosphorus, total [as P], monthly average1.78≤ 1 mg/L78%
October 2025Phosphorus, total [as P], weekly maximum2.06≤ 1.5 mg/L37%
November 2025BOD, carbonaceous [5 day, 20 C], weekly maximum21≤ 15 mg/L40%
November 2025Phosphorus, total [as P], monthly average1.55≤ 1 mg/L55%
November 2025Phosphorus, total [as P], weekly maximum2.37≤ 1.5 mg/L58%
November 2025Solids, total suspended, monthly average14≤ 12 mg/L17%
November 2025Solids, total suspended, weekly maximum33≤ 18 mg/L83%
December 2025Phosphorus, total [as P], monthly average.35≤ .31 kg/d13%
December 2025Phosphorus, total [as P], monthly average1.44≤ 1 mg/L44%
January 2026Phosphorus, total [as P], monthly average1.12≤ 1 mg/L12%
February 2026Phosphorus, total [as P], monthly average.32≤ .31 kg/d3%
March 2026Phosphorus, total [as P], monthly average.778≤ .31 kg/d151%
March 2026Phosphorus, total [as P], monthly average1.14≤ 1 mg/L14%
March 2026Phosphorus, total [as P], weekly maximum.919≤ .46 kg/d100%
April 2026Phosphorus, total [as P], monthly average.713≤ .31 kg/d130%
April 2026Phosphorus, total [as P], monthly average1.32≤ 1 mg/L32%
April 2026Phosphorus, total [as P], weekly maximum.989≤ .46 kg/d115%
May 2026Nitrogen, ammonia total [as N], weekly maximum3.36≤ 3 mg/L12%
May 2026Phosphorus, total [as P], monthly average.439≤ .31 kg/d42%
May 2026Phosphorus, total [as P], monthly average1.49≤ 1 mg/L49%
May 2026Phosphorus, total [as P], weekly maximum.563≤ .46 kg/d22%
May 2026Phosphorus, total [as P], weekly maximum1.54≤ 1.5 mg/L3%
June 2026E. coli, MTEC-MF, monthly geometric meanT≤ 126 MPN/100mL—
June 2026E. coli, MTEC-MF, weekly geometric meanT≤ 284 MPN/100mL—
June 2026Phosphorus, total [as P], monthly average.453≤ .31 kg/d46%
June 2026Phosphorus, total [as P], monthly average1.04≤ 1 mg/L4%
June 2026Phosphorus, total [as P], weekly maximum.557≤ .46 kg/d21%
July 2026E. coli, MTEC-MF, monthly geometric mean512≤ 126 MPN/100mL306%
July 2026E. coli, MTEC-MF, weekly geometric mean512≤ 284 MPN/100mL80%
July 2026Nitrogen, ammonia total [as N], monthly average1.26≤ .61 kg/d107%
July 2026Nitrogen, ammonia total [as N], monthly average5.32≤ 2 mg/L166%
July 2026Nitrogen, ammonia total [as N], weekly maximum1.79≤ .92 kg/d95%
July 2026Nitrogen, ammonia total [as N], weekly maximum7.5≤ 3 mg/L150%
July 2026Phosphorus, total [as P], monthly average.393≤ .31 kg/d27%
July 2026Phosphorus, total [as P], monthly average1.68≤ 1 mg/L68%
July 2026Phosphorus, total [as P], weekly maximum1.8≤ 1.5 mg/L20%
August 2026E. coli, MTEC-MF, monthly geometric mean399≤ 126 MPN/100mL217%
August 2026E. coli, MTEC-MF, weekly geometric mean399≤ 284 MPN/100mL40%
August 2026Phosphorus, total [as P], monthly average.765≤ .31 kg/d147%
August 2026Phosphorus, total [as P], monthly average1.58≤ 1 mg/L58%
August 2026Phosphorus, total [as P], weekly maximum.779≤ .46 kg/d69%
August 2026Phosphorus, total [as P], weekly maximum2.42≤ 1.5 mg/L61%

Limits in force (39)

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≤ 3.68 kg/dall year001
Solids, total suspendedweekly maximum≤ 5.53 kg/dall year001
Nitrogen, ammonia total [as N]monthly average≤ 2 mg/LMay–Oct001
Nitrogen, ammonia total [as N]monthly average≤ 9.33 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]weekly maximum≤ 3 mg/LMay–Oct001
Nitrogen, ammonia total [as N]weekly maximum≤ 13.99 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ .61 kg/dMay–Oct001
Nitrogen, ammonia total [as N]monthly average≤ 2.86 kg/dJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]weekly maximum≤ .92 kg/dMay–Oct001
Nitrogen, ammonia total [as N]weekly maximum≤ 4.29 kg/dJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)Feb, Apr, Jun, Aug, Oct, Dec001
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)Feb, Apr, Jun, Aug, Oct, Dec001
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 average≤ 1 mg/Lall year001
Phosphorus, total [as P]weekly maximum≤ 1.5 mg/Lall year001
Phosphorus, total [as P]monthly average≤ .31 kg/dall year001
Phosphorus, total [as P]weekly maximum≤ .46 kg/dall year001
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
Solids, total dissolved- 180 deg. Cmonthly averagereport only (mg/L)Jun, Dec001
Solids, total dissolved- 180 deg. Cdaily maximumreport only (mg/L)Jun, Dec001
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≤ 3.07 kg/dall year001
BOD, carbonaceous [5 day, 20 C]weekly maximum≤ 4.6 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.

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