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The Suburbans MHP

Sewerage Systems, Plain City, Ohio. NPDES permit OH0054259, in force until Jun 30, 2028. Last 12 months: over a limit 23 times (last August 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: form A monthly (23 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
10 values over a limit, 2 required values missing, 6 of 14 reports late

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

All 23 values over a limit
Period endingParameterReportedLimitOver by
October 2025Oxygen, dissolved [DO], daily minimum2.4≥ 6 mg/L60%
December 2025BOD, carbonaceous [5 day, 20 C], weekly maximum19.2≤ 15 mg/L28%
December 2025BOD, carbonaceous [5 day, 20 C], weekly maximum3.2≤ 2.5 kg/d28%
December 2025Oxygen, dissolved [DO], daily minimum2.6≥ 6 mg/L57%
January 2026BOD, carbonaceous [5 day, 20 C], weekly maximum3.3≤ 2.5 kg/d32%
January 2026Oxygen, dissolved [DO], daily minimum5.2≥ 6 mg/L13%
February 2026Oxygen, dissolved [DO], daily minimum2.2≥ 6 mg/L63%
March 2026BOD, carbonaceous [5 day, 20 C], monthly average24.4≤ 10 mg/L144%
March 2026BOD, carbonaceous [5 day, 20 C], monthly average3.31≤ 1.7 kg/d95%
March 2026BOD, carbonaceous [5 day, 20 C], weekly maximum12.6≤ 2.5 kg/d404%
March 2026BOD, carbonaceous [5 day, 20 C], weekly maximum48≤ 15 mg/L220%
March 2026Nitrogen, ammonia total [as N], monthly average7.6≤ 6.8 mg/L12%
March 2026Nitrogen, ammonia total [as N], weekly maximum14.4≤ 10.2 mg/L41%
March 2026Oxygen, dissolved [DO], daily minimum2.68≥ 6 mg/L55%
March 2026Solids, total suspended, weekly maximum4.3≤ 3 kg/d43%
April 2026Oxygen, dissolved [DO], daily minimum2.7≥ 6 mg/L55%
May 2026Oxygen, dissolved [DO], daily minimum1.9≥ 6 mg/L68%
June 2026Oxygen, dissolved [DO], daily minimum4.3≥ 6 mg/L28%
July 2026E. coli, MTEC-MF, monthly geometric mean831≤ 126 MPN/100mL560%
July 2026E. coli, MTEC-MF, weekly geometric mean2140≤ 284 MPN/100mL654%
July 2026Oxygen, dissolved [DO], daily minimum3.9≥ 6 mg/L35%
August 2026E. coli, MTEC-MF, weekly geometric mean605≤ 284 MPN/100mL113%
August 2026Oxygen, dissolved [DO], daily minimum3.8≥ 6 mg/L37%

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≤ 2 kg/dall year001
Solids, total suspendedweekly maximum≤ 3 kg/dall year001
Nitrogen, ammonia total [as N]monthly average≤ 3.27 mg/LMay–Oct001
Nitrogen, ammonia total [as N]monthly average≤ 6.8 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]weekly maximum≤ 4.9 mg/LMay–Oct001
Nitrogen, ammonia total [as N]weekly maximum≤ 10.2 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ .55 kg/dMay–Oct001
Nitrogen, ammonia total [as N]monthly average≤ 1.1 kg/dJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]weekly maximum≤ .82 kg/dMay–Oct001
Nitrogen, ammonia total [as N]weekly maximum≤ 1.7 kg/dJan, Feb, Mar, Apr, Nov, Dec001
Phosphorus, total [as P]monthly averagereport only (mg/L)Mar, Jun, Aug, Dec001
Phosphorus, total [as P]daily maximumreport only (mg/L)Mar, Jun, Aug, 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≤ 1.7 kg/dall year001
BOD, carbonaceous [5 day, 20 C]weekly maximum≤ 2.5 kg/dall year001
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/OH0054259 · MCP: https://passage-data.com/mcp