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We’re happy to announce that we’ll be holding our 2018 Exchange Annual Meeting this spring in Washington DC! The Annual Meeting will be hosted by the DC Department of Energy & Environment, with support from DC Water. Thank you to both of these member agencies for graciously volunteering their time and energy to make this event possible. Please look out for an official Save the Date, which will be announced soon on our website and through a network-wide email.

In order to ensure that the Annual Meeting is designed by and for our members, please take our 2018 Annual Meeting Content Survey. This survey allows members to prioritize learning topics, volunteer as presenters, and share their preferences for meeting formats. The last day to complete the survey will be January 12, 2018.


Attendees of the Green Streets Maintenance Tour during our 2017 Annual Meeting in Portland, OR.  

Thank you to everyone who completed our 2017 Network Survey! Seventy percent of Exchange members responded to the survey, which is a true testament to the dedication and reliability of our member base. Your thoughtful answers allowed us to assess the connectivity and impact of our network, and we’ll use this knowledge to strengthen the Exchange moving forward.

Key findings:

  • Participating member cities/utilities reported a combined total of 5,400 completed GSI projects, 4,000 planned GSI projects, and 1,650 GSI projects underway
  • 94% of members reported receiving high or some value from the Annual Meeting, with 76% reporting the same about the website and 71% about our user groups
  • 90% of members reported connecting with at least one new partner as a result of the Exchange and 63% have adopted at least one new best practice
  • Our network has a connection density of 10%. This represents the percentage of connections that exist among members out of a total possible.

We can use this data to:

  • Support members who are less connected by helping them better understand who is doing what
  • Leverage relationships of well-connected members to support Exchange communication
  • Serve as a baseline against which to measure future improvements
  • Strategize around how to improve the programs and initiatives where members reported less value and progress

View the full survey results here!

Carrie Rivette

Wastewater/Stormwater Maintenance Superintendent, PE; Grand Rapids Environmental Services Department, and much appreciated Exchange Member and Planning Committee Member

Carrie Rivette is an exemplary Exchange member, through both the leadership she displays in the GSI field and her eagerness to continue refining her practices and pursuing new knowledge.

Her program, the city of Grand Rapids Environmental Services Department, has established itself as a vanguard implementer of GSI through projects such as Joe Taylor Park, their first large-scale green infrastructure project which was recognized in 2014 as one of twelve “Frontline Parks” in a nationwide contest sponsored by City Parks Alliance, and Mary Waters Park, their largest infiltration project to date. (Follow along with their work through this story map.)


(Top to bottom) The completed Joe Taylor Park and the early phases of Mary Waters Park installation

Carrie’s program has several more projects underway: daylighting storm pipe that goes through a local park, and working to make bank stabilization projects as green as possible.

“Moving forward, we’re looking to identify large, underground infiltration projects and public education projects that can be used as demonstrations for how green infrastructure works,” Carrie explained.


The Grand Rapids Environmental Services Dept. installed living walls at their Water Resource Recovery Facility this summer

She said that her participation in the Exchange has helped her to realize that other cities are facing the same challenges as Grand Rapids and that many resources are available for GSI programs around the country to learn from. She’s looking forward to connecting with peers from other cities at the 2018 Exchange Annual Meeting to learn more about Detroit’s contractor training (and any other programs who employ this method) and creative ways for monitoring GSI installations. Carrie also hopes to learn:

  • How are other cities and utilities managing daylighting in urban environments?
  • What workflow do others follow for GSI projects?

Connect with Carrie through the Exchange website to learn more about her work and to share with her your tips and best practices.

We look forward to highlighting the backgrounds, perspectives, and achievements of members!  Please share any news and stories about yourself and your work.

This new resource aims to provide information on P3s, stormwater credit trading, environmental impact bonds, and other innovative economic instruments that may assist in the large-scale use of the GSI. It is funded by the Great Lakes Protection Fund.

Our heartfelt gratitude to our funders for their support of our mission, which makes our work possible.