Seal of Dane County County of Dane
Dane County Land & Water Resources Department

Stormwater Management

Uncontrolled stormwater runoff can have adverse impacts on land and water. To reduce these impacts, Dane County Ordinance Chapter 14 (PDF) requires a permit for specific land disturbing activities that occur in Dane County. Use the links below to 1) determine if you need a permit, 2) link to permit application materials and tools, and 3) find out more information about the permit


Permit ApplicationĀ and Tools

  • Stormwater Management (PDF)
  • Online Map Webpage (button below) links to the Land & Water Viewer online mapping application and tutorial videos. The viewer can be used to create a map(s) to submit with your permit application.
  • Thermal Areas Webpage (button below) links to the Thermally Sensitive Areas & Thermal Model webpage which has information on how you can determine if your site it located within a thermally sensitive area.

Checks should be made out to "Dane County Treasurer"


Permit Information

Stormwater Management Permit is required for any of the following:

  • Any development after August 22, 2001 that results in the cumulative addition of 20,000 square feet of impervious surface to the site
  • Recording a subdivision plat
  • Recording a certified survey map intended for commercial or industrial use
  • Redeveloping more than 4,000 square feet of an existing commercial, industrial, institutional or multifamily-use site
  • Other land development activities that the local approval authority determines may significantly increase runoff, flooding, soil erosion, water pollution or property damage, or significantly impact a lake, stream, or wetland area