How is construction stormwater permit coverage obtained in Ohio?

NOI via Ohio EPA eBusiness Center; coverage only after the approval letter (Part I)

Is there a state fee for construction stormwater coverage in Ohio?

Per ORC 3745.11 (amount not listed in the permit)

Who may do the SWPPP inspections in Ohio?

Qualified inspection personnel (Part III.G.2.i)

How often are construction stormwater inspections required in Ohio?

Every 7 calendar days and after 0.5 in rain; monthly for dormant sites (Part III.G.2.i)

Does Ohio have state SWPPP forms or templates?

Ohio EPA SWP3 template published

Ohio SWPPP: Ohio EPA Construction General Permit (OHC000006) SWP3

General information; your permit text controls. Not legal advice and not engineering judgment. We make no promise of permit coverage, agency acceptance or compliance.

Checked October 20, 2026 against the permit text published by Ohio EPA, Division of Surface Water. Sources and sections are listed at the end of this page.

In Ohio, construction stormwater coverage comes from NPDES Construction General Permit (permit no. OHC000006), issued by Ohio EPA, Division of Surface Water. It took effect April 23, 2023 and expires April 22, 2028.

Scope note. Post-construction BMP sizing (water quality volume) in the SWP3 comes from your design professional. Big Darby and Olentangy watersheds have separate permits.

At a glance

Item	What the permit says
How coverage is obtained	NOI via Ohio EPA eBusiness Center; coverage only after the approval letter (Part I)
Agency fee	Per ORC 3745.11 (amount not listed in the permit)
Who may prepare the plan	No license or seal found
Who inspects	Qualified inspection personnel (Part III.G.2.i)
Inspection frequency	Every 7 calendar days and after 0.5 in rain; monthly for dormant sites (Part III.G.2.i)
State forms and templates	Ohio EPA SWP3 template published

Points that are easy to miss

Post-construction BMP sizing required.
Big Darby/Olentangy: SWP3 submitted with NOI.

What a SWPPP Desk plan covers here

We prepare a site-specific plan written to OHC000006, with each section mapped to the permit part it answers. You, the operator, review and sign it and keep it on site.

Checkout open in Ohio. State ruling: Sell. The site check on the plan page applies these conditions before payment. See coverage.

Small site: $449 Large site: $749

What we do not do

Our plans are not sealed or stamped. BMPs that need design calculations, such as sediment basins and post-construction practices, come from your design professional.
The operator signs the plan and is responsible for it.
We do not visit or inspect sites.
We do not file the NOI or any permit application for you. We tell you which form and portal the permit names.

Sources

Permit text: edocpub.epa.ohio.gov (Part I (coverage), Part III.G.2.e (post-construction), Part III.G.2.i (inspections)). Checked 2026-10-20.

SWPPP Desk is not affiliated with Ohio EPA, Division of Surface Water. If a rule here has changed, write to [email protected] and we will correct this page.