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

Olin Corp

Alkalies And Chlorine, major discharger, Niagara Falls, New York. NPDES permit NY0001635 expired Dec 31, 2018; its limits still apply. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 004 form M monthly (13 values), outfall 006 form M monthly (5 values), outfall 007 form M monthly (5 values), outfall 008 form M monthly (9 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 48 reports late

Limits in force (36)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. fahrenheitdaily maximum≤ 90 deg Fall year004
pHminimum≥ 6 SUall year004
pHmaximum≤ 9 SUall year004
Vinyl chloridemonthly averagereport only (ug/L)all year004
Vinyl chloridedaily maximumreport only (ug/L)all year004
Vinyl chloridemonthly averagereport only (lb/d)all year004
Vinyl chloridedaily maximumreport only (lb/d)all year004
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year004
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year004
Volatile organics detectedmonthly averagereport only (ug/L)all year004
Volatile organics detectedmonthly average≤ 1 mg/Lall year004
Volatile organics detecteddaily maximumreport only (ug/L)all year004
Volatile organics detecteddaily maximum≤ 2 mg/Lall year004
Volatile organics detectedmonthly average≤ 1 lb/dall year004
Volatile organics detectedmonthly averagereport only (lb/d)all year004
Volatile organics detecteddaily maximum≤ 2 lb/dall year004
Volatile organics detecteddaily maximumreport only (lb/d)all year004
Temperature, water deg. fahrenheitdaily maximum≤ 90 deg Fall year006
pHminimum≥ 6 SUall year006
pHmaximum≤ 9 SUall year006
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year006
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year006
Temperature, water deg. fahrenheitdaily maximum≤ 90 deg Fall year007
pHminimum≥ 6 SUall year007
pHmaximum≤ 9 SUall year007
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year007
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year007
Temperature, water deg. fahrenheitdaily maximum≤ 95 deg Fall year008
Oxygen demand, chem. [high level] [COD]monthly averagereport only (mg/L)all year008
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year008
pHminimum≥ 6 SUall year008
pHmaximum≤ 9 SUall year008
Solids, total suspendedmonthly averagereport only (mg/L)all year008
Solids, total suspendeddaily maximumreport only (mg/L)all year008
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year008
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year008

How strict are these limits?

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

Same industry: the 31 Chemicals and Allied Products permits in New York.

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/NY0001635 · MCP: https://passage-data.com/mcp