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Olin Corporation

Industrial Inorganic Chemicals, Augusta, Georgia. NPDES permit GA0003719 expired Mar 31, 2025; its limits still apply. Last 12 months: over a limit 3 times (last September 2026), 1 of 12 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: form A1 monthly (18 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
8 values over a limit, 0 required values missing, 0 of 12 reports late

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

Period endingParameterReportedLimit
October 2025pH, maximum9.1 SU≤ 9 SU
December 2025pH, maximum10.2 SU≤ 9 SU
September 2026pH, minimum2.2 SU≥ 6 SU

Limits in force (18)

ParameterStatisticLimitMonths
Temperature, water deg. fahrenheitdaily averagereport only (deg F)all year
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendeddaily average≤ 110 mg/Lall year
Solids, total suspendeddaily maximum≤ 110 mg/Lall year
Phosphorus, total [as P]daily averagereport only (mg/L)all year
Phosphorus, total [as P]daily maximumreport only (mg/L)all year
Chloridedaily averagereport only (lb/d)all year
Chloridedaily maximumreport only (lb/d)all year
Flow, in conduit or thru treatment plantdaily minimumreport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Chlorine, total residualdaily average≤ 1.2 lb/dall year
Chlorine, total residualdaily maximum≤ 2 lb/dall year
Mercury, total [as Hg]daily average≤ .002 mg/Lall year
Mercury, total [as Hg]daily maximum≤ .009 mg/Lall year
Mercury, total [as Hg]daily average≤ .16 lb/dall year
Mercury, total [as Hg]daily maximum≤ .09 lb/dall year

How strict are these limits?

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

Same industry: the 15 Chemicals and Allied Products permits in Georgia.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/GA0003719 · MCP: https://passage-data.com/mcp