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Par Mar Oil Co

Gasoline Service Stations, Little Hocking, Ohio. NPDES permit OH0149187 expired Jun 30, 2026; its limits still apply. Last 12 months: over a limit 29 times (last August 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: form A monthly (16 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
25 values over a limit, 0 required values missing, 0 of 13 reports late

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

All 29 values over a limit
Period endingParameterReportedLimitOver by
October 2025BOD, carbonaceous [5 day, 20 C], monthly average24≤ 10 mg/L140%
October 2025BOD, carbonaceous [5 day, 20 C], weekly maximum24≤ 15 mg/L60%
October 2025Solids, total suspended, monthly average310≤ 12 mg/L2483%
October 2025Solids, total suspended, weekly maximum310≤ 18 mg/L1622%
January 2026Nitrogen, ammonia total [as N], monthly average3.2≤ 3 mg/L7%
February 2026BOD, carbonaceous [5 day, 20 C], monthly average19≤ 10 mg/L90%
February 2026BOD, carbonaceous [5 day, 20 C], weekly maximum19≤ 15 mg/L27%
February 2026Solids, total suspended, monthly average65≤ 12 mg/L442%
February 2026Solids, total suspended, weekly maximum65≤ 18 mg/L261%
April 2026BOD, carbonaceous [5 day, 20 C], monthly average86≤ 10 mg/L760%
April 2026BOD, carbonaceous [5 day, 20 C], weekly maximum86≤ 15 mg/L473%
April 2026Nitrogen, ammonia total [as N], monthly average4≤ 3 mg/L33%
April 2026Solids, total suspended, monthly average144≤ 12 mg/L1100%
April 2026Solids, total suspended, weekly maximum144≤ 18 mg/L700%
May 2026Nitrogen, ammonia total [as N], monthly average1.7≤ 1 mg/L70%
May 2026Nitrogen, ammonia total [as N], weekly maximum1.7≤ 1.5 mg/L13%
May 2026Solids, total suspended, monthly average26≤ 12 mg/L117%
May 2026Solids, total suspended, weekly maximum26≤ 18 mg/L44%
June 2026BOD, carbonaceous [5 day, 20 C], monthly average16≤ 10 mg/L60%
June 2026BOD, carbonaceous [5 day, 20 C], weekly maximum16≤ 15 mg/L7%
June 2026Nitrogen, ammonia total [as N], monthly average13.9≤ 1 mg/L1290%
June 2026Nitrogen, ammonia total [as N], weekly maximum13.9≤ 1.5 mg/L827%
June 2026Solids, total suspended, monthly average27≤ 12 mg/L125%
June 2026Solids, total suspended, weekly maximum27≤ 18 mg/L50%
July 2026E. coli, MTEC-MF, monthly geometric mean213≤ 126 MPN/100mL69%
July 2026Nitrogen, ammonia total [as N], monthly average1.2≤ 1 mg/L20%
August 2026E. coli, MTEC-MF, monthly geometric mean248≤ 126 MPN/100mL97%
August 2026Nitrogen, ammonia total [as N], monthly average5.7≤ 1 mg/L470%
August 2026Nitrogen, ammonia total [as N], weekly maximum5.7≤ 1.5 mg/L280%

Limits in force (20)

ParameterStatisticLimitMonthsOutfall
Flow ratemonthly averagereport only (gal/d)all year001
Flow ratedaily maximumreport only (gal/d)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
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
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
Chlorine, total residualdaily maximum≤ .019 mg/LMay–Oct001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 10 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]weekly maximum≤ 15 mg/Lall 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.

Same industry: the 42 Automotive Dealers and Gasoline Service Stations permits in Ohio.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/OH0149187 · MCP: https://passage-data.com/mcp