Compare Regulations
Compare state-level permit requirements side-by-side (up to 4 states)
MI(3 more)
Rows with an amber indicator differ across selected states.
| Field | MI Michigan |
|---|---|
| NPDES Program | State-Delegated |
| Permitting Agency | Michigan Department of Environment, Great Lakes, and Energy (EGLE) |
| Permit Name | NPDES General Permit for Stormwater Discharges from Construction Activities (Permit No. MIG010000) |
| Construction Threshold | ≥ 1 acre of land disturbance (or < 1 acre if part of a larger common plan of development or sale); Michigan also requires permit coverage for any activity that discharges to a water of the state with potential to cause or contribute to a water quality violation |
| NOI Lead Time | Notice of Intent (NOI) must be submitted to EGLE and authorization must be received before any land disturbance begins; EGLE provides authorization automatically upon receipt of a complete, valid NOI (the general permit is self-implementing after NOI submittal); applicants are advised to submit at least 14 days before construction start |
| Application Method | Online via Michigan EGLE's MiWaters online permitting system (miwaters.deq.michigan.gov); this is EGLE's primary electronic permitting platform for all NPDES permits; paper NOI forms are available as an alternative |
| Permit Fee | $400 for projects disturbing 1–4.99 acres; $600 for 5–9.99 acres; $800 for 10–24.99 acres; $1,000 for ≥ 25 acres; fees are paid electronically through MiWaters at time of NOI submission |
| SWPPP Required | Yes |
| PE Certification Required | No |
| SWPPP Template Available | Yes |
| Inspection Frequency | Every 7 days and within 24 hours after any storm event that produces ≥ 0.5 inches of rainfall in a 24-hour period; reduced to every 14 days for areas that have achieved temporary or permanent stabilization; post-storm inspections must document discharge points and BMPs |
| Inspector Qualification | Michigan requires that construction site inspections be performed by a Qualified Operator — defined as a person who has operational responsibility for stormwater discharges at the site and who has completed EGLE's construction stormwater training or equivalent; EGLE offers online training modules; no state professional license is required, but the Michigan SESC Act (Part 91) requires local Soil Erosion and Sedimentation Control (SESC) permits, and local inspectors (often county drain commissioners) enforce SESC separately |
| Post-Construction Required | Yes |
| Turbidity Standard | No numeric NTU limit specified in the construction general permit MIG010000; narrative standard requires discharges not to cause or contribute to violations of Michigan's Water Quality Standards (Part 4, Act 451) |