Passage Data · Check a report · Use it from your AI

EMC Ashtabula, Inc

Industrial Inorganic Chemicals, Ashtabula, Ohio. NPDES permit OH0000027, in force until Jul 31, 2029. Last 12 months: over a limit 10 times (last August 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: outfall 001 form A monthly (18 values), outfall 002 form A monthly (16 values), outfall 003 form A monthly (14 values), outfall 004 form A monthly (10 values), outfall 601 form A monthly (18 values), outfall 602 form A monthly (29 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
4 values over a limit, 16 required values missing, 0 of 66 reports late

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

Period endingOutfallParameterReportedLimitOver by
January 2026601BOD, carbonaceous [5 day, 20 C], daily maximum53≤ 40 mg/L33%
April 2026602Chlorine, total residual, daily maximum.08≤ .038 mg/L111%
April 2026602Mercury, total low level, monthly average.0000005≤ .00000011 kg/d355%
April 2026602Mercury, total low level, monthly average5.14≤ 1.3 ng/L295%
May 2026601Chlorine, total residual, daily maximum.16≤ .038 mg/L321%
May 2026601Solids, total suspended, daily maximum73.6≤ 45 mg/L64%
June 2026601Chlorine, total residual, daily maximum.09≤ .038 mg/L137%
June 2026602Mercury, total low level, monthly average1.4≤ 1.3 ng/L8%
August 2026602Mercury, total low level, monthly average.0000002≤ .00000011 kg/d82%
August 2026602Mercury, total low level, monthly average4≤ 1.3 ng/L208%

Limits in force (111)

ParameterStatisticLimitMonthsOutfall
pHdaily minimum≥ 6.5 SUall year001
pHdaily maximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 31 kg/dall year001
Solids, total suspendeddaily maximum≤ 68 kg/dall year001
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)Mar, Jun, Sep, Dec001
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)Mar, Jun, Sep, Dec001
Boron, total recoverablemonthly averagereport only (ug/L)Mar, Jun, Sep, Dec001
Boron, total recoverabledaily maximumreport only (ug/L)Mar, Jun, Sep, Dec001
Aluminum, total recoverablemonthly averagereport only (ug/L)Mar, Jun, Sep, Dec001
Aluminum, total recoverabledaily maximumreport only (ug/L)Mar, Jun, Sep, Dec001
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 averagereport only (ng/L)all year001
Mercury, total low leveldaily maximumreport only (ng/L)all year001
Toxicity [acute], Ceriodaphnia dubiamonthly averagereport only (tox acute)Sep001
Toxicity [acute], Ceriodaphnia dubiadaily maximumreport only (tox acute)Sep001
Solids, total dissolved- 180 deg. Cmonthly averagereport only (mg/L)all year001
Solids, total dissolved- 180 deg. Cdaily maximumreport only (mg/L)all year001
Temperature, water deg. centigrademonthly averagereport only (deg C)all year002
Temperature, water deg. centigradedaily maximumreport only (deg C)all year002
pHdaily minimum≥ 6.5 SUall year002
pHdaily maximum≤ 9 SUall year002
Solids, total suspendedmonthly averagereport only (mg/L)all year002
Solids, total suspendeddaily maximumreport only (mg/L)all year002
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)Mar, Jun, Sep, Dec002
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)Mar, Jun, Sep, Dec002
Aluminum, total recoverablemonthly averagereport only (ug/L)Mar, Jun, Sep, Dec002
Aluminum, total recoverabledaily maximumreport only (ug/L)Mar, Jun, Sep, Dec002
Copper, total recoverablemonthly averagereport only (ug/L)Mar, Jun, Sep, Dec002
Copper, total recoverabledaily maximumreport only (ug/L)Mar, Jun, Sep, Dec002
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year002
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year002
Mercury, total low levelmonthly averagereport only (ng/L)Mar, Jun, Sep, Dec002
Mercury, total low leveldaily maximumreport only (ng/L)Mar, Jun, Sep, Dec002
Cyanide, free availablemonthly averagereport only (ug/L)Jun, Dec002
Cyanide, free availabledaily maximumreport only (ug/L)Jun, Dec002
pHdaily minimum≥ 6.5 SUall year003
pHdaily maximum≤ 9 SUall year003
Solids, total suspendedmonthly averagereport only (mg/L)all year003
Solids, total suspendeddaily maximumreport only (mg/L)all year003
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)Mar, Jun, Sep, Dec003
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)Mar, Jun, Sep, Dec003
Boron, total recoverablemonthly averagereport only (ug/L)Mar, Jun, Sep, Dec003
Boron, total recoverabledaily maximumreport only (ug/L)Mar, Jun, Sep, Dec003
Aluminum, total recoverablemonthly averagereport only (ug/L)Mar, Jun, Sep, Dec003
Aluminum, total recoverabledaily maximumreport only (ug/L)Mar, Jun, Sep, Dec003
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year003
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year003
Mercury, total low levelmonthly averagereport only (ng/L)all year003
Mercury, total low leveldaily maximumreport only (ng/L)all year003
pHdaily minimum≥ 6.5 SUMar, Jun, Sep, Dec004
pHdaily maximum≤ 9 SUMar, Jun, Sep, Dec004
Solids, total suspendedmonthly averagereport only (mg/L)Mar, Jun, Sep, Dec004
Solids, total suspendeddaily maximumreport only (mg/L)Mar, Jun, Sep, Dec004
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)Mar, Jun, Sep, Dec004
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)Mar, Jun, Sep, Dec004
Aluminum, total recoverablemonthly averagereport only (ug/L)Mar, Jun, Sep, Dec004
Aluminum, total recoverabledaily maximumreport only (ug/L)Mar, Jun, Sep, Dec004
Mercury, total low levelmonthly averagereport only (ng/L)Mar, Jun, Sep, Dec004
Mercury, total low leveldaily maximumreport only (ng/L)Mar, Jun, Sep, Dec004
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
Oxygen, dissolved [DO]daily minimumreport only (mg/L)all year601
pHdaily minimumreport only (SU)all year601
pHdaily maximumreport only (SU)all year601
Solids, total suspendedmonthly average≤ 30 mg/Lall year601
Solids, total suspendeddaily maximum≤ 45 mg/Lall year601
Solids, total suspendedmonthly average≤ 5.68 kg/dall year601
Solids, total suspendeddaily maximum≤ 8.52 kg/dall year601
Turbidity [severity]monthly averagereport only (severity)all year601
Turbidity [severity]daily maximumreport only (severity)all year601
E. coli, MTEC-MFmonthly geometric mean≤ 126 MPN/100mLMay–Oct601
E. coli, MTEC-MFweekly geometric mean≤ 284 MPN/100mLMay–Oct601
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year601
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year601
Chlorine, total residualdaily maximum≤ .038 mg/LMay–Oct601
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/Lall year601
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 40 mg/Lall year601
BOD, carbonaceous [5 day, 20 C]monthly average≤ 4.74 kg/dall year601
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 7.57 kg/dall year601
pHdaily minimum≥ 6.5 SUall year602
pHdaily maximum≤ 9 SUall year602
Solids, total suspendedmonthly average≤ 3.2 mg/Lall year602
Solids, total suspendeddaily maximum≤ 7 mg/Lall year602
Solids, total suspendedmonthly average≤ .27 kg/dall year602
Solids, total suspendeddaily maximum≤ .59 kg/dall year602
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)all year602
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year602
Arsenic, total recoverablemonthly averagereport only (ug/L)all year602
Arsenic, total recoverabledaily maximumreport only (ug/L)all year602
Iron, total recoverablemonthly averagereport only (ug/L)all year602
Iron, total recoverabledaily maximumreport only (ug/L)all year602
Manganese, total recoverablemonthly average≤ 500 ug/Lall year602
Manganese, total recoverablemonthly average≤ .042 kg/dall year602
Phenolmonthly average≤ 11 ug/Lall year602
Phenoldaily maximum≤ 9400 ug/Lall year602
Phenolmonthly average≤ .00093 kg/dall year602
Phenoldaily maximum≤ .791 kg/dall year602
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year602
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year602
Chlorine, total residualdaily maximum≤ .038 mg/Lall year602
Mercury, total low levelmonthly average≤ 1.3 ng/Lall year602
Mercury, total low leveldaily maximum≤ 3400 ng/Lall year602
Mercury, total low levelmonthly average≤ .00000011 kg/dall year602
Mercury, total low leveldaily maximum≤ .00029 kg/dall year602
Toxicity [acute], Ceriodaphnia dubiamonthly averagereport only (tox acute)Sep602
Toxicity [acute], Ceriodaphnia dubiadaily maximumreport only (tox acute)Sep602
Solids, total dissolved- 180 deg. Cmonthly averagereport only (mg/L)all year602
Solids, total dissolved- 180 deg. Cdaily maximumreport only (mg/L)all year602

How strict are these limits?

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

Same industry: the 68 Chemicals and Allied Products permits in Ohio.

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

· Save this facility as a site · Superfund sites nearby · Your permits on one board

On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/OH0000027 · MCP: https://passage-data.com/mcp