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Trumbull Co Brd of Comm

Sewage treatment plant, Cortland, Ohio. NPDES permit OH0092550, in force until Sep 30, 2027. Last 12 months: over a limit 20 times (last August 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: outfall 001 form A monthly (33 values), outfall 300 form A monthly (2 values)
Renewal application due
Apr 3, 2027 · 180 days before expiry; your permit may set another date
Last report on file
September 2026
Oct 2024 – Sep 2025
13 values over a limit, 0 required values missing, 0 of 25 reports late

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

All 20 values over a limit
Period endingParameterReportedLimitOver by
October 2025Phosphorus, total [as P], monthly average.522≤ .32 kg/d63%
October 2025Phosphorus, total [as P], monthly average7.15≤ 1 mg/L615%
October 2025Phosphorus, total [as P], weekly maximum.522≤ .48 kg/d9%
October 2025Phosphorus, total [as P], weekly maximum7.15≤ 1.5 mg/L377%
November 2025Phosphorus, total [as P], monthly average2.78≤ 1 mg/L178%
November 2025Phosphorus, total [as P], weekly maximum2.78≤ 1.5 mg/L85%
December 2025Phosphorus, total [as P], monthly average.542≤ .32 kg/d69%
December 2025Phosphorus, total [as P], monthly average2.41≤ 1 mg/L141%
December 2025Phosphorus, total [as P], weekly maximum.542≤ .48 kg/d13%
December 2025Phosphorus, total [as P], weekly maximum2.41≤ 1.5 mg/L61%
January 2026Phosphorus, total [as P], monthly average1.62≤ 1 mg/L62%
January 2026Phosphorus, total [as P], weekly maximum1.62≤ 1.5 mg/L8%
February 2026Phosphorus, total [as P], monthly average1.91≤ 1 mg/L91%
February 2026Phosphorus, total [as P], weekly maximum1.91≤ 1.5 mg/L27%
March 2026Phosphorus, total [as P], monthly average1.44≤ 1 mg/L44%
June 2026Phosphorus, total [as P], monthly average1.15≤ 1 mg/L15%
June 2026Phosphorus, total [as P], weekly maximum1.56≤ 1.5 mg/L4%
August 2026Phosphorus, total [as P], monthly average1.14≤ 1 mg/L14%
August 2026Phosphorus, total [as P], weekly maximum.481≤ .48 kg/d0%
August 2026Phosphorus, total [as P], weekly maximum1.59≤ 1.5 mg/L6%

Limits in force (41)

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≤ 3.8 kg/dall year001
Solids, total suspendedweekly maximum≤ 5.7 kg/dall year001
Nitrogen, ammonia total [as N]monthly average≤ 1.48 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≤ 2.21 mg/LMay–Oct001
Nitrogen, ammonia total [as N]weekly maximum≤ 4.5 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ .47 kg/dMay–Oct001
Nitrogen, ammonia total [as N]monthly average≤ .96 kg/dJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]weekly maximum≤ .7 kg/dMay–Oct001
Nitrogen, ammonia total [as N]weekly maximum≤ 1.4 kg/dJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)Jan, Mar, May, Jul, Sep, Nov001
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)Jan, Mar, May, Jul, Sep, Nov001
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)Jan, Mar, May, Jul, Sep, Nov001
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)Jan, Mar, May, Jul, Sep, Nov001
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≤ .32 kg/dall year001
Phosphorus, total [as P]weekly maximum≤ .48 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)Jan, Mar, May, Jul, Sep, Nov001
Solids, total dissolved- 180 deg. Cdaily maximumreport only (mg/L)Jan, Mar, May, Jul, Sep, Nov001
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≤ 3.2 kg/dall year001
BOD, carbonaceous [5 day, 20 C]weekly maximum≤ 4.8 kg/dall year001
Overflowsmonthly averagereport only (occur/mo)all year300
Overflowsdaily maximumreport only (occur/mo)all year300
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/OH0092550 · MCP: https://passage-data.com/mcp