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Guardian Lima, LLC

Industrial Organic Chemicals, Lima, Ohio. NPDES permit OH0143367, in force until Aug 31, 2030. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: form A monthly (20 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
1 value over a limit, 0 required values missing, 1 of 12 reports late

Limits in force (20)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]daily minimumreport only (mg/L)all year
Oxygen demand, chem. [low level] [COD]monthly averagereport only (mg/L)all year
Oxygen demand, chem. [low level] [COD]daily maximumreport only (mg/L)all year
pHdaily minimum≥ 6.5 SUall year
pHdaily maximum≤ 9 SUall year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Solids, total suspendeddaily maximumreport only (mg/L)all year
Oil and grease, hexane extr methodmonthly averagereport only (mg/L)all year
Oil and grease, hexane extr methoddaily maximumreport only (mg/L)all year
Iron, total recoverablemonthly averagereport only (ug/L)all year
Iron, total recoverabledaily maximumreport only (ug/L)all year
Oxidants, total residualmonthly averagereport only (mg/L)all year
Oxidants, total residualdaily maximumreport only (mg/L)all year
Rainfallmonthly averagereport only (in)all year
Rainfalldaily maximumreport only (in)all year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Chlorine, total residualdaily maximumreport only (mg/L)all year
Solids, total dissolved- 180 deg. Cmonthly averagereport only (mg/L)all year
Solids, total dissolved- 180 deg. Cdaily maximumreport only (mg/L)all year

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/OH0143367 · MCP: https://passage-data.com/mcp