Compare Regulations
Compare state-level permit requirements side-by-side (up to 4 states)
AL(3 more)
Rows with an amber indicator differ across selected states.
| Field | AL Alabama |
|---|---|
| NPDES Program | State-Delegated |
| Permitting Agency | Alabama Department of Environmental Management (ADEM) |
| Permit Name | NPDES General Permit ALR100000 (Construction General Permit) |
| Construction Threshold | ≥ 1 acre of land disturbance, or < 1 acre if part of a larger common plan of development or sale |
| NOI Lead Time | NOI must be submitted and permit coverage obtained at least 2 days before construction activity begins |
| Application Method | Paper NOI submission to ADEM Water Division; online submission available through ADEM e-Portal for some permit types |
| Permit Fee | $0 — Alabama does not charge a permit fee for the construction general permit NOI |
| SWPPP Required | Yes |
| PE Certification Required | No |
| SWPPP Template Available | Yes |
| Inspection Frequency | At least every 14 calendar days and within 24 hours of a storm event that produces 0.5 inches or more of rainfall at the site |
| Inspector Qualification | Inspections must be performed by a qualified person with construction stormwater knowledge; Alabama does not have a state-specific inspector certification program, but the inspector must be familiar with BMPs and the SWPPP |
| Post-Construction Required | Yes |
| Turbidity Standard | No numeric NTU limit in the construction general permit; narrative water quality standard applies |