You may need to submit an Erosion Control Permit to the Engineering Department and the Dane County Land Conservation Department for commercial, industrial and residential dwelling projects larger than 2-family construction.
When an Erosion Control Permit is Required
- Disturbing 4,000 square feet or more of land
- Disturbance takes place on a 12% or greater slope
- Disturbing more than 100 LF of ditch, grass waterway, or other land where surface drainage flows
- Excavation results in the removal or filling of 400 cubic yards
- Where 125 feet of new public or private street is constructed
- When land disturbance occurs adjacent to or draining to a sensitive area
When a Stormwater Permit is Required
- Any development after August 22, 2001 results in the cumulative addition of 20,000 square feet of impervious surface to the site
- Any development that requires a subdivision plat
- Any development that requires a certified survey map for property intended for commercial or industrial use
- Any redevelopment as defined by Section 15.30.050 of the Stormwater Management Ordinance
- Any land development that the city determines may significantly increase downstream runoff volumes, flooding, soil erosion, water pollution, or property damage, or significantly impact a stream, creek, wetland area, or body of water
- Agricultural development that creates new impervious surface area exceeding 20,000 square feet on the site
