State sheet · OH
Tier II reporting requirements in Ohio
- Deadline
- 1 March, yearly
- Takes our file
- Yes
- Own thresholds
- Yes — see below
- Fee
- $150 + $20 a chemical
- Filing route read
- 2026-09-06
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How Ohio takes it
Ohio prefers the Tier2 Submit file, emailed to SERC@epa.ohio.gov, and paper is still allowed.
The file we build is the one this state works from.
The filing is due 1 March each year and covers the calendar year before it. Ohio does not pass it on for you — we checked. Filing closes the state’s copy only; your local committee and fire department each need their own from you.
Before you send it — what else Ohio asks for
Ohio wants the file sent to the SERC and to your LEPC — those are two separate sends — and a paper copy to your fire department. A site map goes inside the file on the attachment tab, a certification letter comes with it, and the fee worksheet and payment are mailed on their own.
Does Ohio set its own limits?
Ohio sets the threshold itself lower than the federal one. That changes the answer for a smaller facility.
Ohio matches the federal 10,000 lb test for ordinary hazardous chemicals. For an extremely hazardous substance, its rule reads “five hundred pounds (or fifty-five gallons)”. We apply both, so a light liquid can count at 55 gallons before it reaches 500 pounds. Ohio’s own compliance manual gives only 500 pounds or the planning quantity. If the 55 gallon line is the only thing putting you over, ask the Ohio SERC. Ohio also drops the threshold to zero for a specific chemical when the commission or committee asks for it. It exempts agricultural producers who already comply with EPCRA section 302.
The words we read
Ohio Admin. Code 3750-30-27(A)(1): hazardous chemicals “in amounts equal to or exceeding ten thousand pounds, or that are extremely hazardous substances present at the facility in an amount equal to or exceeding five hundred pounds (or fifty-five gallons) or the threshold planning quantity, whichever is less.” 3750-30-27(A)(2) sets retail gas station thresholds of 75,000 gallons of gasoline and 100,000 gallons of diesel, which do not apply if the tanks are “not entirely underground” or were out of compliance with the underground storage tank rules. 3750-30-27(C): on a facility-specific, chemical-specific request the reporting threshold “shall be zero.” 3750-30-01(A) limits the rule to facilities that must keep an SDS under OSHA; 3750-30-01(B) exempts agricultural producers who have complied with EPCRA § 302. Ohio SERC, “Emergency Planning and Community Right-to-Know — Facility Reporting Compliance Manual” (epa.ohio.gov/serc, SERC_Manual.pdf, read 2026-10-12): “The TQ for extremely hazardous substances is 500 pounds or the listed threshold planning quantity (TPQ), whichever is less.” The manual does not mention a 55 gallon test. The federal rule, 40 CFR 370.10(a)(1), writes the same figure as “500 pounds (227 kg—approximately 55 gallons)”.
OAC 3750-30-27, effective 2021-07-06 (read 2026-09-05)
Where we read this
- Ohio SERC, “Facility Reporting Compliance Manual — Electronic Reporting Preferred”, revised 1/2026 (read directly 2026-09-06): “The Ohio SERC continues to endorse the U.S. EPA Tier 2 Submit software program”; “Facilities opting to file with Tier2 Submit may submit their March 1, 2026, report either on flash drive or preferred email attachment to both the SERC and the LEPC. The required site map (PDF) can be uploaded within the Tier 2 Submit (see attachment tab). A certification letter must be…”. Thresholds on the same page: “10,000 pounds or more”, and extremely hazardous substances “in quantities of 500 pounds or less”.Checked 2026-09-06
- Ohio Admin. Code 3750-30-27(A)(1): hazardous chemicals “in amounts equal to or exceeding ten thousand pounds, or that are extremely hazardous substances present at the facility in an amount equal to or exceeding five hundred pounds (or fifty-five gallons) or the threshold planning quantity, whichever is less.” 3750-30-27(A)(2) sets retail gas station thresholds of 75,000 gallons of gasoline and 100,000 gallons of diesel, which do not apply if the tanks are “not entirely underground” or were out of compliance with the underground storage tank rules. 3750-30-27(C): on a facility-specific, chemical-specific request the reporting threshold “shall be zero.” 3750-30-01(A) limits the rule to facilities that must keep an SDS under OSHA; 3750-30-01(B) exempts agricultural producers who have complied with EPCRA § 302.Ohio SERC, “Emergency Planning and Community Right-to-Know — Facility Reporting Compliance Manual” (epa.ohio.gov/serc, SERC_Manual.pdf, read 2026-10-12): “The TQ for extremely hazardous substances is 500 pounds or the listed threshold planning quantity (TPQ), whichever is less.” The manual does not mention a 55 gallon test. The federal rule, 40 CFR 370.10(a)(1), writes the same figure as “500 pounds (227 kg—approximately 55 gallons)”.The state’s own code · OAC 3750-30-27, effective 2021-07-06 (read 2026-09-05)
- Ohio’s own Tier II pageWe can be right today and the state can change tomorrow. This link does not go stale.
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