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Ashtabula Co Brd of Comm/Co Water Dept

Sewage treatment plant, Austinburg Twp, Ohio. NPDES permit OH0098469, in force until Jan 31, 2027. Last 12 months: over a limit 13 times (last July 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: outfall 001 form A monthly (43 values), outfall 300 form A monthly (2 values), outfall 601 form A monthly (10 values), outfall 801 form A monthly (13 values), outfall 901 form A monthly (17 values)
Renewal application due
Aug 4, 2026 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
17 values over a limit, 0 required values missing, 0 of 52 reports late

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

All 13 values over a limit
Period endingParameterReportedLimitOver by
October 2025Phosphorus, total [as P], monthly average.88≤ .67 mg/L31%
October 2025Phosphorus, total [as P], weekly maximum1.04≤ 1 mg/L4%
December 2025pH, daily minimum5.8≥ 6.5 SU—
May 2026BOD, carbonaceous [5 day, 20 C], monthly average14.6≤ 6.7 mg/L118%
May 2026BOD, carbonaceous [5 day, 20 C], monthly average6.29≤ 5.68 kg/d11%
May 2026BOD, carbonaceous [5 day, 20 C], weekly maximum20.8≤ 8.52 kg/d144%
May 2026BOD, carbonaceous [5 day, 20 C], weekly maximum49.3≤ 10 mg/L393%
June 2026Nitrogen, ammonia total [as N], weekly maximum1.33≤ 1.2 mg/L11%
June 2026Solids, total suspended, monthly average28.5≤ 6.81 kg/d319%
June 2026Solids, total suspended, monthly average64.7≤ 8 mg/L709%
June 2026Solids, total suspended, weekly maximum113≤ 10.2 kg/d1008%
June 2026Solids, total suspended, weekly maximum256≤ 12 mg/L2033%
July 2026BOD, carbonaceous [5 day, 20 C], weekly maximum11.3≤ 10 mg/L13%

Limits in force (108)

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≤ 8 mg/Lall year001
Solids, total suspendedweekly maximum≤ 12 mg/Lall year001
Solids, total suspendedmonthly average≤ 6.81 kg/dall year001
Solids, total suspendedweekly maximum≤ 10.2 kg/dall year001
Oil and grease, hexane extr methoddaily maximum≤ 10 mg/LMar, Jun, Aug, Dec001
Nitrogen, ammonia total [as N]monthly average≤ .8 mg/LMay–Oct001
Nitrogen, ammonia total [as N]monthly average≤ 2 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]weekly maximum≤ 1.2 mg/LMay–Oct001
Nitrogen, ammonia total [as N]weekly maximum≤ 3 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ .682 kg/dMay–Oct001
Nitrogen, ammonia total [as N]monthly average≤ 1.7 kg/dJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]weekly maximum≤ 1.03 kg/dMay–Oct001
Nitrogen, ammonia total [as N]weekly maximum≤ 2.56 kg/dJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)all year001
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)all year001
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≤ .67 mg/Lall year001
Phosphorus, total [as P]weekly maximum≤ 1 mg/Lall year001
Phosphorus, total [as P]monthly average≤ .568 kg/dall year001
Phosphorus, total [as P]weekly maximum≤ .852 kg/dall year001
Nickel, total recoverablemonthly averagereport only (ug/L)Jun, Dec001
Nickel, total recoverabledaily maximumreport only (ug/L)Jun, Dec001
Zinc, total recoverablemonthly average≤ 160 ug/Lall year001
Zinc, total recoverableweekly maximum≤ 160 ug/Lall year001
Zinc, total recoverablemonthly average≤ .136 kg/dall year001
Zinc, total recoverableweekly maximum≤ .136 kg/dall year001
Cadmium, total recoverablemonthly averagereport only (ug/L)Jun, Dec001
Cadmium, total recoverabledaily maximumreport only (ug/L)Jun, Dec001
Lead, total recoverablemonthly averagereport only (ug/L)Jun, Dec001
Lead, total recoverabledaily maximumreport only (ug/L)Jun, Dec001
Chromium, total recoverablemonthly averagereport only (ug/L)Jun, Dec001
Chromium, total recoverabledaily maximumreport only (ug/L)Jun, Dec001
Copper, total recoverablemonthly average≤ 12 ug/Lall year001
Copper, total recoverabledaily maximum≤ 20 ug/Lall year001
Copper, total recoverablemonthly average≤ .01 kg/dall year001
Copper, total recoverabledaily maximum≤ .017 kg/dall year001
Chromium, hexavalent dissolved [as Cr]monthly averagereport only (ug/L)Jun, Dec001
Chromium, hexavalent dissolved [as Cr]daily maximumreport only (ug/L)Jun, Dec001
E. coli, MTEC-MFmonthly geometric mean≤ 126 MPN/100mLall year001
E. coli, MTEC-MFweekly geometric mean≤ 284 MPN/100mLall year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Mercury, total low levelmonthly average≤ 8 ng/Lall year001
Mercury, total low leveldaily maximum≤ 1133 ng/Lall year001
Mercury, total low levelmonthly average≤ .000007 kg/dall year001
Mercury, total low leveldaily maximum≤ .000965 kg/dall year001
Cyanide, free availablemonthly averagereport only (ug/L)Jun, Dec001
Cyanide, free availabledaily maximumreport only (ug/L)Jun, Dec001
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≤ 6.7 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]weekly maximum≤ 10 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 5.68 kg/dall year001
BOD, carbonaceous [5 day, 20 C]weekly maximum≤ 8.52 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 weight, drymonthly averagereport only (dry ton)Dec588
Sludge weight, drydaily maximumreport only (dry ton)Dec588
pHdaily minimumreport only (SU)all year601
pHdaily maximumreport only (SU)all year601
Solids, total suspendedmonthly averagereport only (mg/L)all year601
Solids, total suspendeddaily maximumreport only (mg/L)all year601
Copper, total recoverablemonthly averagereport only (ug/L)all year601
Copper, total recoverabledaily maximumreport only (ug/L)all year601
Mercury, total low levelmonthly averagereport only (ng/L)all year601
Mercury, total low leveldaily maximumreport only (ng/L)all year601
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)all year601
BOD, carbonaceous [5 day, 20 C]daily maximumreport only (mg/L)all year601
Temperature, water deg. centigrademonthly averagereport only (deg C)Mar, Jun, Sep, Dec801
Temperature, water deg. centigradedaily maximumreport only (deg C)Mar, Jun, Sep, Dec801
Oxygen, dissolved [DO]daily minimumreport only (mg/L)Mar, Jun, Sep, Dec801
pHdaily minimumreport only (SU)Mar, Jun, Sep, Dec801
pHdaily maximumreport only (SU)Mar, Jun, Sep, Dec801
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)Mar, Jun, Sep, Dec801
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)Mar, Jun, Sep, Dec801
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)Mar, Jun, Sep, Dec801
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)Mar, Jun, Sep, Dec801
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)Mar, Jun, Sep, Dec801
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)Mar, Jun, Sep, Dec801
Phosphorus, total [as P]monthly averagereport only (mg/L)Mar, Jun, Sep, Dec801
Phosphorus, total [as P]daily maximumreport only (mg/L)Mar, Jun, Sep, Dec801
E. coli, MTEC-MFmonthly geometric meanreport only (MPN/100mL)Jun–Aug801
E. coli, MTEC-MFdaily maximumreport only (MPN/100mL)Jun–Aug801
Temperature, water deg. centigrademonthly averagereport only (deg C)Mar, Jun, Sep, Dec901
Temperature, water deg. centigradedaily maximumreport only (deg C)Mar, Jun, Sep, Dec901
Oxygen, dissolved [DO]daily minimumreport only (mg/L)Mar, Jun, Sep, Dec901
pHdaily minimumreport only (SU)Mar, Jun, Sep, Dec901
pHdaily maximumreport only (SU)Mar, Jun, Sep, Dec901
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)Mar, Jun, Sep, Dec901
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)Mar, Jun, Sep, Dec901
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)Mar, Jun, Sep, Dec901
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)Mar, Jun, Sep, Dec901
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)Mar, Jun, Sep, Dec901
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)Mar, Jun, Sep, Dec901
Phosphorus, total [as P]monthly averagereport only (mg/L)Mar, Jun, Sep, Dec901
Phosphorus, total [as P]daily maximumreport only (mg/L)Mar, Jun, Sep, Dec901
Hardness, total [as CaCO3]monthly averagereport only (mg/L)Mar, Jun, Sep, Dec901
Hardness, total [as CaCO3]daily maximumreport only (mg/L)Mar, Jun, Sep, Dec901
E. coli, MTEC-MFmonthly geometric meanreport only (MPN/100mL)May–Oct901
E. coli, MTEC-MFdaily maximumreport only (MPN/100mL)May–Oct901

How strict are these limits?

Cited limits by parameter: Ohio's rules and the federal ones.

Check this month's numbers Email me before each report is due

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