OLIN CORP

NPDES permit NY0001635 · Major NON-POTW · administratively continued, expires 2018-12-31 · EPA's file as of 2026-09-19

Check this month's numbers before you file
Watch this permit — $79 a month. Every Monday, from EPA's newest files: the next report due and when, whether EPA's file holds your last one, any change to this permit's limits or status, and the renewal date.

This permit expired on 2018-12-31 and is administratively continued: its last limits keep applying until a new permit is issued, and EPA still expects the reports.

EPA's record, 2025-09-01 to 2026-08-31

0values over a limit
0required values missing, on 0 form(s)
0of 44 forms filed late

Last period with anything received: 2026-07-31.

Reporting

Reports are due about 28 days after each monitoring period ends (the most common figure among NY permits in EPA's filings — check your permit).

Limits in force (36)

OutfallParameterStatisticLimitMonths
004Temperature, water deg. fahrenheitDAILY MX <= 90 deg F all year
004pHMINIMUM >= 6 SU all year
004pHMAXIMUM <= 9 SU all year
004Vinyl chlorideMO AVG report only all year
004Vinyl chlorideDAILY MX report only all year
004Vinyl chlorideMO AVG report only all year
004Vinyl chlorideDAILY MX report only all year
004Flow, in conduit or thru treatment plantMO AVG report only all year
004Flow, in conduit or thru treatment plantDAILY MX report only all year
004Volatile organics detectedMO AVG report only all year
004Volatile organics detectedMO AVG <= 1 mg/L all year
004Volatile organics detectedDAILY MX report only all year
004Volatile organics detectedDAILY MX <= 2 mg/L all year
004Volatile organics detectedMO AVG <= 1 lb/d all year
004Volatile organics detectedMO AVG report only all year
004Volatile organics detectedDAILY MX <= 2 lb/d all year
004Volatile organics detectedDAILY MX report only all year
006Temperature, water deg. fahrenheitDAILY MX <= 90 deg F all year
006pHMINIMUM >= 6 SU all year
006pHMAXIMUM <= 9 SU all year
006Flow, in conduit or thru treatment plantMO AVG report only all year
006Flow, in conduit or thru treatment plantDAILY MX report only all year
007Temperature, water deg. fahrenheitDAILY MX <= 90 deg F all year
007pHMINIMUM >= 6 SU all year
007pHMAXIMUM <= 9 SU all year
007Flow, in conduit or thru treatment plantMO AVG report only all year
007Flow, in conduit or thru treatment plantDAILY MX report only all year
008Temperature, water deg. fahrenheitDAILY MX <= 95 deg F all year
008Oxygen demand, chem. [high level] [COD]MO AVG report only all year
008Oxygen demand, chem. [high level] [COD]DAILY MX report only all year
008pHMINIMUM >= 6 SU all year
008pHMAXIMUM <= 9 SU all year
008Solids, total suspendedMO AVG report only all year
008Solids, total suspendedDAILY MX report only all year
008Flow, in conduit or thru treatment plantMO AVG report only all year
008Flow, in conduit or thru treatment plantDAILY MX report only all year

Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states