Compare Regulations
Compare state-level permit requirements side-by-side (up to 4 states)
SD(3 more)
Rows with an amber indicator differ across selected states.
| Field | SD South Dakota |
|---|---|
| NPDES Program | State-Delegated |
| Permitting Agency | South Dakota Department of Agriculture and Natural Resources (DANR) |
| Permit Name | NPDES General Permit for Stormwater Discharges Associated with Construction Activity (Permit No. SDR10) |
| Construction Threshold | ≥ 1 acre of land disturbance (or < 1 acre if part of a larger common plan of development or sale that will ultimately disturb ≥ 1 acre); sites disturbing ≥ 5 acres that discharge to waters of the state require a Notice of Intent |
| NOI Lead Time | NOI must be submitted to DANR at least 7 calendar days before the commencement of construction activity; authorization is granted upon receipt unless DANR requests additional information |
| Application Method | Paper NOI submitted by mail or in person to DANR; South Dakota does not currently offer a fully online NOI submission portal — paper forms are the standard method; applicants may contact DANR's Water Quality Program for current submission procedures |
| Permit Fee | No permit application fee for the SDR10 general permit NOI at the state level; South Dakota does not charge a fee for construction stormwater general permit coverage |
| SWPPP Required | Yes |
| PE Certification Required | No |
| SWPPP Template Available | Yes |
| Inspection Frequency | At least once every 14 calendar days during active construction, and within 24 hours after any storm event producing ≥ 0.5 inches of rainfall in a 24-hour period; during periods of inactivity (no land disturbance), inspections may be performed at least once per month |
| Inspector Qualification | No specific state certification is mandated by the SDR10 permit; inspections must be performed by a 'qualified inspector' who is knowledgeable in the principles of stormwater pollution prevention; DANR recommends training consistent with programs such as CPESC, but does not require a specific license or credential |
| Post-Construction Required | Yes |
| Turbidity Standard | No numeric NTU turbidity limit in SDR10; narrative water quality standards apply |