Environmental Rules in South Dakota (2026)
18 rules on the books across South Dakota, 4 cities and counties. Select a rule to read the full details.
Severity: Few Restrictions · Light Restrictions · Some Restrictions · Significant Restrictions · Heavy Restrictions
Stormwater Management
Requirements for managing rainwater runoff on your property, including retention basins, permeable surfaces, and drainage plans.
South Dakota: statewide
StatewideSome RestrictionsSouth Dakota administers a delegated NPDES stormwater program under SDCL Chapter 34A-2 (Water Pollution Control)…
Read full rule →Lincoln County
Some RestrictionsEvery new subdivision in unincorporated Lincoln County, South Dakota must submit a drainage plan covering detention…
Read full rule →Minnehaha County
Some RestrictionsAny new subdivision in unincorporated Minnehaha County must include a drainage plan under Ordinance MC23-93, Section…
Read full rule →Rapid City
Some RestrictionsAnyone disturbing earth in Rapid City needs an erosion and sediment control permit before grading, with fees scaled by…
Read full rule →Sioux Falls
Some RestrictionsSioux Falls requires owners of privately built stormwater best management practices, like detention ponds and filters…
Read full rule →Erosion Control
Rules to prevent soil erosion during construction and landscaping, including required sediment barriers and ground cover standards.
South Dakota: statewide
StatewideSome RestrictionsSouth Dakota does not impose a uniform statewide residential grading or drainage code. Grading, lot drainage, and…
Read full rule →Lincoln County
Some RestrictionsDevelopment sites in unincorporated Lincoln County, South Dakota must control erosion to the standards of the county's…
Read full rule →Minnehaha County
Some RestrictionsMinnehaha County requires an erosion control plan for every subdivision development site under Ordinance MC23-93…
Read full rule →Rapid City
Some RestrictionsRapid City Municipal Code § 8.34.040 requires every site, including construction sites, vacant lots and homes without…
Read full rule →Sioux Falls
Some RestrictionsSioux Falls requires a grading permit from the city engineer before any excavation or fill, separate from a building…
Read full rule →Flood Zones
Building requirements for properties in FEMA flood zones, including elevation standards, flood insurance mandates, and construction limits.
Sioux Falls
Significant RestrictionsAny development, filling, or grading inside a Sioux Falls special flood hazard area requires a floodplain development…
Read full rule →Lincoln County
Some RestrictionsAnyone developing in a flood hazard area of unincorporated Lincoln County, South Dakota needs a permit from the county…
Read full rule →Rapid City
Some RestrictionsAnyone developing land inside a mapped special flood hazard area in Rapid City must get a floodplain development permit…
Read full rule →Boat Dock Permits
Permits required to build or modify boat docks, lifts, and davits on waterfront properties, including size limits, setbacks, and environmental reviews.
Flood Elevation Requirements
FEMA NFIP minimum base flood elevation (BFE) construction standards for properties in mapped flood zones, including freeboard requirements above BFE.
Lincoln County
Some RestrictionsNew and substantially improved residential structures in Lincoln County, South Dakota's flood hazard areas must have…
Read full rule →Minnehaha County
Some RestrictionsIn flood hazard areas of unincorporated Minnehaha County, builders must document the as-built elevation of a…
Read full rule →Rapid City
Some RestrictionsNew homes and additions in Rapid City's mapped A1-30, AE and AH flood zones must set their lowest floor, including any…
Read full rule →Sioux Falls
Some RestrictionsNew and substantially improved buildings in Sioux Falls flood hazard areas must have the lowest floor elevated two feet…
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