https://danecountystormwatermanual.com/ 2026-04-11T22:57:53+00:00 https://danecountystormwatermanual.com/ https://danecountystormwatermanual.com/lib/exe/fetch.php?media=wiki:logo.png text/html 2026-02-11T20:03:31+00:00 admin (admin@undisclosed.example.com) https://danecountystormwatermanual.com/doku.php?id=soil_loss_and_sediment_discharge&rev=1770840211&do=diff Soil Loss and Sediment Discharge Permittees can demonstrate compliance with the sediment discharge standard of 5.0 tons/ac/year in Chapter 14.11(3)(b) by using the Soil Loss & Sediment Discharge Calculation Tool. This Excel spreadsheet projects soil loss and sediment discharge from a site using the Universal Soil Loss Equation (USLE), based on the timing of land disturbance, restoration, and the implementation of erosion control BMPs. text/html 2026-02-09T15:39:07+00:00 megan_duffy (megan_duffy@undisclosed.example.com) https://danecountystormwatermanual.com/doku.php?id=site_and_regional_planning&rev=1770651547&do=diff Site and Regional Planning Techniques to Minimize Stormwater Runoff Decisions about lot layout, building density, location of public rights-of-way, protection of sensitive areas, and preservation of open space all have an impact on the quality and quantity of stormwater runoff. Good stormwater management does not begin with site disturbance and construction. To encourage early consideration of these issues, the Dane County Erosion Control and Stormwater Management Ordinance includes a volunta… text/html 2025-12-02T15:35:03+00:00 megan_duffy (megan_duffy@undisclosed.example.com) https://danecountystormwatermanual.com/doku.php?id=recreational_trails&rev=1764689703&do=diff Stormwater Performance Standards for Recreational Trails Recreational trails provide opportunities to enjoy Dane County’s many scenic areas, however, their construction may impact water quality and be subject to county stormwater standards. Depending on characteristics of the trail and surrounding land area, there are stormwater treatment options that provide flexibility when planning work on a trail. The prescribed options discussed in this guidance will assist municipal or state trail designe… text/html 2025-11-25T18:21:14+00:00 megan_duffy (megan_duffy@undisclosed.example.com) https://danecountystormwatermanual.com/doku.php?image=wiki%3Aflyers%3Ainfiltration_trench_flyer.pdf&ns=wiki%3Aflyers&rev=1764094874&tab_details=history&media_do=diff&do=media <img src="https://danecountystormwatermanual.com/lib/images/fileicons/svg/pdf.svg" alt="infiltration_trench_flyer.pdf" loading="lazy" width="500" height="500" /> text/html 2025-11-25T16:57:41+00:00 megan_duffy (megan_duffy@undisclosed.example.com) https://danecountystormwatermanual.com/doku.php?id=stormwater_resources&rev=1764089861&do=diff Stormwater Resources These stormwater flyers were developed to assist property owners and individuals responsible for maintenance of stormwater management practices. * [ Stormwater 101 Flyer] Guidance Documents * [ Inspecting Stormwater Management Practices] * [ Vegetation Management Flyer] BMP Specific Documents * [ Bioretention Basins] * [ Filter Strips] * [ Infiltration Basins] * text/html 2025-11-06T21:03:30+00:00 admin (admin@undisclosed.example.com) https://danecountystormwatermanual.com/doku.php?id=infiltration_exemptions&rev=1762463010&do=diff Infiltration Exemptions The following activities are exempt from the 90% infiltration standard: * Sites (or areas) that meet the definition of redevelopment * New development with less than 10% connected impervious and a cumulative impervious area less than one acre * Agricultural development related to the production of food and fiber text/html 2025-11-06T20:32:17+00:00 megan_duffy (megan_duffy@undisclosed.example.com) https://danecountystormwatermanual.com/doku.php?image=staff_map.pdf&ns=0&rev=1762461137&tab_details=history&media_do=diff&do=media <img src="https://danecountystormwatermanual.com/lib/images/fileicons/svg/pdf.svg" alt="staff_map.pdf" loading="lazy" width="500" height="500" /> text/html 2025-11-06T20:30:48+00:00 megan_duffy (megan_duffy@undisclosed.example.com) https://danecountystormwatermanual.com/doku.php?image=0%3Astaff_map.pdf&ns=0&rev=1762461048&tab_details=history&media_do=diff&do=media <img src="https://danecountystormwatermanual.com/lib/images/fileicons/svg/pdf.svg" alt="staff_map.pdf" loading="lazy" width="500" height="500" /> text/html 2025-10-30T20:15:48+00:00 theresa_nelson (theresa_nelson@undisclosed.example.com) https://danecountystormwatermanual.com/doku.php?id=filter_strip&rev=1761855348&do=diff Filter Strip Filter strips are densely vegetated areas that collect and slow runoff, thereby filtering out sediments and infiltrating insoluble pollutants. Filter strips are typically used to treat runoff from impervious areas that generate significant pollutants, such as parking lots. They should be uniformly graded at shallow slopes to encourage sheet flow through their full flow length and are best used in conjunction with other management practices, as they do not significantly reduce peak … text/html 2025-09-30T19:18:15+00:00 admin (admin@undisclosed.example.com) https://danecountystormwatermanual.com/doku.php?id=stone_outlet_protection&rev=1759259895&do=diff Stone Outlet Protection (Riprap) Stone outlet protection, or riprap, is designed to release water from management practices at non-erosive velocities. An apron of angular stone is placed at the outlet to prevent erosion by dissipating the energy of water as it flows over.$$ L=1.7*(\frac{Q}{{D_o}^\frac{3}{2}})+8D_o $$$$ W=3*D_o $$$$ T=D_{50}*2 $$ text/html 2025-09-30T19:17:19+00:00 admin (admin@undisclosed.example.com) https://danecountystormwatermanual.com/doku.php?image=wiki%3Aimages%3Apoorly_installed_riprap.jpeg&ns=wiki%3Aimages&rev=1759259839&tab_details=history&media_do=diff&do=media <img src="https://danecountystormwatermanual.com/lib/exe/fetch.php?w=500&amp;h=500&amp;tok=2396c3&amp;media=wiki:images:poorly_installed_riprap.jpeg" alt="poorly_installed_riprap.jpeg" loading="lazy" width="500" height="500" /> text/html 2025-09-30T19:00:04+00:00 admin (admin@undisclosed.example.com) https://danecountystormwatermanual.com/doku.php?image=wiki%3Aimages%3Acorrect_riprap.jpeg&ns=wiki%3Aimages&rev=1759258804&tab_details=history&media_do=diff&do=media <img src="https://danecountystormwatermanual.com/lib/exe/fetch.php?w=500&amp;h=500&amp;tok=6a4108&amp;media=wiki:images:correct_riprap.jpeg" alt="correct_riprap.jpeg" loading="lazy" width="500" height="500" /> text/html 2025-09-30T18:49:03+00:00 admin (admin@undisclosed.example.com) https://danecountystormwatermanual.com/doku.php?id=bioretention_device&rev=1759258143&do=diff Bioretention Device :!: The current version of WinSLAMM (10.5.0) overestimates evapotranspiration (ET) volume. Until a fix is implemented, ET may not be turned on in the model. :!: Bioretention devices are infiltration devices used for the treatment and infiltration of stormwater runoff. A bioretention basin is made up of several layers, which treat stormwater as it is filtered. These basins remove pollutants and reduce runoff volume and temperature. Bioretention basins can be used as a sta… text/html 2025-09-30T18:48:54+00:00 admin (admin@undisclosed.example.com) https://danecountystormwatermanual.com/doku.php?id=infiltration_basin&rev=1759258134&do=diff Infiltration Basin :!: The current version of WinSLAMM (10.5.0) overestimates evapotranspiration (ET) volume. Until a fix is implemented, ET may not be turned on in the model. :!: Infiltration basins are depressions that collect and store stormwater until it can infiltrate into the subsoil. Sediment settles out in the device, and nutrients, metals, and organic material are adsorbed by the soil as the water infiltrates. Infiltration basins may also be designed to reduce peak flows from a site… text/html 2025-09-30T18:48:40+00:00 admin (admin@undisclosed.example.com) https://danecountystormwatermanual.com/doku.php?id=infiltration_modeling&rev=1759258120&do=diff Infiltration Modeling :!: The current version of WinSLAMM (10.5.0) overestimates evapotranspiration (ET) volume. Until a fix is implemented, ET may not be turned on in the model. :!: Regulatory Approach to Infiltration The Dane County infiltration standard is modeled after the Wisconsin Department of Natural Resources (DNR) standard. The standard is based upon requiring a percentage of precipitation infiltrated in the predevelopment condition (also known as predevelopment infiltration) to be… text/html 2025-07-15T13:50:37+00:00 admin (admin@undisclosed.example.com) https://danecountystormwatermanual.com/doku.php?image=simplified_erosion_control_permit_application.pdf&ns=0&rev=1752587437&tab_details=history&media_do=diff&do=media <img src="https://danecountystormwatermanual.com/lib/images/fileicons/svg/pdf.svg" alt="simplified_erosion_control_permit_application.pdf" loading="lazy" width="500" height="500" /> text/html 2025-07-15T13:50:06+00:00 admin (admin@undisclosed.example.com) https://danecountystormwatermanual.com/doku.php?image=erosion_control_application_simplified_02-27-25.pdf&ns=0&rev=1752587406&tab_details=history&media_do=diff&do=media <img src="https://danecountystormwatermanual.com/lib/images/fileicons/svg/pdf.svg" alt="erosion_control_application_simplified_02-27-25.pdf" loading="lazy" width="500" height="500" /> text/html 2025-05-07T14:38:16+00:00 admin (admin@undisclosed.example.com) https://danecountystormwatermanual.com/doku.php?image=wiki%3Aimages%3Astaff_map.jpg&ns=wiki%3Aimages&rev=1746628696&tab_details=history&media_do=diff&do=media <img src="https://danecountystormwatermanual.com/lib/exe/fetch.php?w=500&amp;h=500&amp;tok=5a7ee2&amp;media=wiki:images:staff_map.jpg" alt="staff_map.jpg" loading="lazy" width="500" height="500" />