Greentree/McKenna Watershed Study

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Last Updated: 10/12/2020

Latest Update

10/2/2020:

The recorded presentation from Zoom for Public Information Meeting No. 2 was posted. 
Oct. 1, 2020 Public Information Meeting No. 2 Recorded Presentation 

Project Overview

The City of Madison will complete a watershed study in the Greentree/McKenna watershed. The watershed study will identify causes of existing flooding and then look at potential solutions to try to reduce flooding. The study will use computer models to assist with the evaluations. A local engineering consultant, MSA Professional Services, will complete the study.

For more information, please see the Flash Flooding Story Map*Note: Please view the story map using Firefox or Google Chrome browsers. Story maps are not viewable with Internet Explorer.

Greentree/McKenna Watershed Map

The Greentree/McKenna watershed drains to the south toward the Upper Badger Mill Creek ponds near Prairie Ridge Park.

Timeline

The study began Fall 2019 and is expected to take over 18 months. The city will look at watersheds as a whole to make sure solving a flooding problem upstream won’t push more water downstream and cause more flooding.

Public Involvement

There are a number of points of contact during this project where the public is encouraged to give feedback as part of public information meetings and public hearings. Dates and times are indicated below:

Public Information Meetings

The second public information meeting was held virtually Oct. 1, 2020. 

Oct. 1, 2020 Public Information Meeting No. 2 Recorded Presentation 
Oct. 1, 2020 Public Information Meeting No. 2 PowerPoint Presentation

The first public information meeting was held Oct.23, 2019, at the Elver Park Neighborhood Center, 1201 McKenna Blvd., Madison, WI 53719.
Oct. 23, 2019 Public Information Meeting No. 1 PowerPoint Presentation

Focus Groups

The City of Madison Engineering Division set locations, times, and dates for focus group meetings for the Greentree/McKenna Watershed. The meetings were requested by community members, and were open to the public, but the conversation was tailored to gathering more information on flooding issues in the meeting area. The focus groups looked further into the issues that caused flooding in the last few years specific to each meeting area. The Engineering Division worked with alders, and residents to find a date, location and time that worked for the specific areas.
Greentree/McKenna Focus Groups Areas

The meetings lasted approximately one hour, and most meetings were held outside, rain or shine, in a walk-and-talk format.

The following focus group meetings were held for this watershed:

  • Gammon - Schroeder - Thursday 7/30/20 4:00-5:00 PM - West side of Gammon Rd. at Schroeder Rd.
  • Laurie Drive -  Thursday 7/23/20 9:00-10:00 AM - SW corner of Laurie Dr. and Schroeder Rd.
  • Park Edge Drive - Tuesday 7/28/20 9:00-10:00 AM - Park Edge Dr. at Georgetown Ct.
  • Park Edge Drive - Thursday 7/30/20 6:30-7:30 PM - Park Edge Dr. at Georgetown Ct.
  • Park Ridge Drive -  Tuesday 7/28/20 11:00 AM-12:00 PM - Park Ridge Dr. near The Lexington Condominiums
  • Park Ridge Drive - Wednesday 7/29/20 6:30-7:30 PM - Park Ridge Dr. near The Lexington Condominiums
  • Piping Rock Road - Wednesday 7/29/20 4:00-5:00 PM - SW corner of Piping Rock Rd. and Winston Dr.
  • Saalsaa Road - Wednesday 7/29/20 2:00-3:00 PM - NW corner of Saalsaa Rd. and Hammersley Rd.
  • Struck Street -  Thursday 7/23/20 11:00 AM-12:00 PM Struck St. - Next to the John Powless Tennis Center

Additional Resources

Report Flooding

If anyone has experienced flooding, and is willing to share with the City, please report it on the City's website. Even if a homeowner reported flooding to 2-1-1, FEMA, or a City official, the City needs standardized information to create stormwater models that show existing flooding conditions. The flood data helps the City prioritize different flood projects and future watershed studies. Please report any flooding you’ve experienced.