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USALCO Ashtabula Plant LLC

Industrial Inorganic Chemicals, Ashtabula, Ohio. NPDES permit OH0128899, in force until Oct 31, 2028. Last 12 months: over a limit 2 times (last May 2026), 3 of 36 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: outfall 001 form A monthly (10 values), outfall 002 form A monthly (10 values), outfall 003 form A monthly (10 values)
Renewal application due
May 4, 2028 · 180 days before expiry; your permit may set another date
Last report on file
September 2026
Oct 2024 – Sep 2025
3 values over a limit, 0 required values missing, 0 of 36 reports late

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

Period endingOutfallParameterReportedLimit
December 2025001pH, daily maximum9.14≤ 9 SU
May 2026002pH, daily maximum9.04≤ 9 SU

Limits in force (30)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. centigrademonthly averagereport only (deg C)all year001
Temperature, water deg. centigradedaily maximumreport only (deg C)all year001
Flow ratemonthly averagereport only (gal/d)all year001
Flow ratedaily maximumreport only (gal/d)all year001
pHdaily minimum≥ 6.5 SUall year001
pHdaily maximum≤ 9 SUall 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
Aluminum, total recoverablemonthly averagereport only (ug/L)Mar, Jun, Sep, Dec001
Aluminum, total recoverabledaily maximumreport only (ug/L)Mar, Jun, Sep, Dec001
Temperature, water deg. centigrademonthly averagereport only (deg C)all year002
Temperature, water deg. centigradedaily maximumreport only (deg C)all year002
Flow ratemonthly averagereport only (gal/d)all year002
Flow ratedaily maximumreport only (gal/d)all year002
pHdaily minimum≥ 6.5 SUall year002
pHdaily maximum≤ 9 SUall 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
Temperature, water deg. centigrademonthly averagereport only (deg C)all year003
Temperature, water deg. centigradedaily maximumreport only (deg C)all year003
Flow ratemonthly averagereport only (gal/d)all year003
Flow ratedaily maximumreport only (gal/d)all year003
pHdaily minimum≥ 6.5 SUall year003
pHdaily maximum≤ 9 SUall 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
Aluminum, total recoverablemonthly averagereport only (ug/L)Mar, Jun, Sep, Dec003
Aluminum, total recoverabledaily maximumreport only (ug/L)Mar, Jun, Sep, Dec003

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

Same industry: the 68 Chemicals and Allied Products 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/OH0128899 · MCP: https://passage-data.com/mcp