Michigan does not use a Notice of Intent. Construction stormwater runs on permit-by-rule, and sites disturbing five acres or more file a Notice of Coverage in MiEnviro with a copy of the county soil erosion permit, a site map and a one-time $400 fee. Coverage begins when that application is administratively complete.
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How do you file a Michigan Notice of Coverage?
- Get the Part 91 Soil Erosion and Sedimentation Control (SESC) permit from your County Enforcement Agency, or the Municipal Enforcement Agency where one is designated. This comes first and everything else depends on it.
- Make sure the SESC permit is in the landowner’s name. The construction permittee must be the landowner or the recorded easement holder, so a permit issued to a contractor has to be transferred.
- Prepare the SWPPP and the site location map.
- Submit the Notice of Coverage through MiEnviro, EGLE’s online permitting system, with the completed NOC form, the site map and a copy of the SESC permit.
- Pay the $400 one-time permit fee.
EGLE is explicit that authorization to discharge does not begin until the administratively complete NOC application, the one-time fee, the copy of the SESC permit and the site map have all been received. Three of those four and you have nothing.
Does your project need an NOC at all?
Only if you are disturbing five acres or more. Below that, permit-by-rule gives you coverage automatically — no NOC application and no state fee.
This is where Michigan differs from almost every other state, and where out-of-state contractors get confused. Federally, permit coverage attaches at one acre, or less than an acre within a larger common plan; see when a SWPPP is required. In Michigan that coverage still applies at one acre, it just arrives by rule rather than by application. The five-acre line is the paperwork line, not the compliance line.
What does not change below five acres: you still need the county SESC permit, you still need erosion and sediment controls, and you still need inspections.
Why does the county SESC permit come first?
Because permit-by-rule is built on top of it. EGLE describes Part 91 coverage as the thing the streamlined process depends on, and the NOC application requires a copy of the SESC permit as an attachment. There is no sequence in which you file the state NOC first and sort out the county later.
Michigan’s enforcement agencies are county-level, which means the specific plan requirements, review times and fees vary by county. Budget for that variation in the schedule. A county that reviews in two weeks and one that reviews in six weeks produce very different start dates for the same project.
Get your Michigan SWPPP prepared by a CPESC so the plan clears county review and the NOC in one pass.
When does coverage actually start?
Immediately on submittal of an administratively complete NOC application — which is unusually fast, and the one genuine advantage of Michigan’s system. There is no 14-day wait as in Georgia, no 60-day application and public notice period as in Washington.
The catch is the word complete. An NOC missing the SESC permit copy, the site map or the fee is not complete, so coverage has not started, and any land disturbance in the meantime is an unpermitted discharge. The speed is real but it is conditional on having assembled everything first.
What does Michigan require once you are covered?
Site inspections once per week and within 24 hours of a precipitation event, performed by a Certified Stormwater Operator. The certified-operator requirement is the part contractors skip, and it is not optional — an inspection signed by someone without the credential is not an inspection as far as the file is concerned. See SWPPP certification requirements for how state credentials compare.
Controls must be maintained, the SWPPP updated as site conditions change, and records kept. How SWPPP inspections work covers the documentation side.
What goes wrong on Michigan filings?
Filing the NOC in the contractor’s name. The permittee must be the landowner or recorded easement holder. This surfaces late and stops the application.
Assuming under five acres means nothing to do. It means no NOC. It does not mean no SESC permit, no plan, no controls and no inspections.
Starting work on an incomplete NOC. Coverage begins at completeness, not at submission.
Treating the county permit as a formality. It is the foundation of the state coverage and its review time drives your schedule.
Pro SWPPP writes the plan, files the permit, performs the inspections and keeps the records. Your crews install and maintain the controls; we document that they were there and that they worked. Get a Michigan SWPPP estimate.
Frequently asked questions about Michigan stormwater coverage
How do I file a Notice of Coverage in Michigan?
Through MiEnviro, EGLE’s online permitting system. Submit the completed NOC form, a site location map, a copy of your county SESC permit and the $400 one-time fee.
What size project needs a Notice of Coverage in Michigan?
Five acres or more of land disturbance. Sites between one and five acres are covered automatically under permit-by-rule with no NOC application and no state fee.
Does Michigan use a Notice of Intent?
No. Michigan uses permit-by-rule under Rule 323.2190 rather than an NOI. The Notice of Coverage is the application, and only sites of five acres or more file one.
Do I need a county SESC permit as well?
Yes, and it comes first. The Part 91 Soil Erosion and Sedimentation Control permit is issued by the County Enforcement Agency, and a copy of it is required with the NOC application.
When does Michigan stormwater coverage begin?
Permit-by-rule begins immediately upon submittal of an administratively complete NOC application. Authorization does not begin until the form, fee, SESC permit copy and site map have all been received.
Who can perform inspections in Michigan?
A Certified Stormwater Operator. Inspections are required once per week and within 24 hours of a precipitation event.
Ready to get started? Order your SWPPP now or schedule a free consultation.
By Derek E. Chinners, CPESC — Founder & Stormwater Consultant, Pro SWPPP, LLC