Ohio Tier II Reporting: Deadline, Filing Method & Fees

Facilities in Ohio storing hazardous chemicals above EPA reporting thresholds file an annual Tier II report through Ohio EPA SERC. Email .t2s file (with a signed certification letter attached) to SERC@epa.ohio.gov and the LEPC; a paper copy plus site map goes to the local fire department.

Quick facts
Email .t2s file
Filing deadline
Mar 1 (federal baseline)
Accepts .t2s file
Yes
Filing fee
CORRECTED 2026-07: was hasFee=false, which is wrong. Ohio EPA mails a pre-printed SERC filing fee worksheet with an assigned Receivable ID each January; if none is received, email SERC@epa.ohio.gov with subject "INVOICE NEEDED". Pay via Ohio EPA's eBusiness Center portal or by check mailed to Ohio EPA, P.O. Box 77005, Cleveland, OH 44194-7005.
Portal
SERC email
LEPC copy required?
Email .t2s (or PDF) to your county LEPC, same submission as the SERC copy
Fire dept copy required?
Deliver a paper copy generated from Tier2 Submit, plus a site map, to the local fire department
Routing data independently sourced and verified — check Ohio’s current guidance before submitting, as requirements can change.
Get an email before Ohio's Tier II deadline
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Related reading
Do I need to file Tier II? A simple facility checklistUnderstanding Tier II reporting thresholdsManaging Tier II for multiple clients? See our founding consultant program
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