Welcome! The Exchange is a highly connected peer-to-peer learning network for utilities, cities, and counties practicing Green Stormwater Infrastructure.

A list of our member organizations is below. Is your organization already a member? Please contact Kasey Armstrong for a link to join the website.

Is your organization Interested in joining the Exchange? This member application provides more information about member expectations and may help determine whether membership is right for you and your agency.  If membership is right, please contact Paula Conolly at

Member Organizations

Boston Water and Sewer Commission
Buffalo Sewer Authority
Camden County Municipal Utilities Authority
Capital Region Water
Charlotte-Mecklenburg Storm Water Services
City and County of Denver
City of Atlanta
City of Baltimore
City of Burlington
City of Charlotte
City of Detroit
City of Dublin
City of El Paso
City of Eugene
City of Fort Lauderdale
City of Gaithersburg
City of Grand Rapids
City of Gresham
City of Houston
City of Kansas City, Missouri
City of Kitchener
City of Lancaster
City of Las Cruces
City of Los Angeles
City of New Haven
City of New Orleans
City of New York
City of Newark
City of Oakland
City of Omaha
City of Palo Alto
City of Philadelphia
City of Portland, Oregon
City of San Jose
City of Santa Fe
City of Seattle
City of Southfield
City of Tacoma
City of Toronto
City of Tucson
City of Vancouver
City/County Association of Governments of San Mateo County
DC Water
Fairfax County, VA
Green Infrastructure Leadership Exchange
King County, WA
Kitsap County, WA
Louisville County Metropolitan Sewer District
Metropolitan Sewer District of Greater Cincinnati
Metropolitan St. Louis Sewer District
Metropolitan Water Reclamation District of Greater Chicago
Middlesex County, NJ
Milwaukee Metropolitan Sewerage District
Montgomery County, MD
Northeast Ohio Regional Sewer District
Orange County, CA
Pittsburgh Water and Sewer Authority
Prince George’s County, MD
San Antonio River Authority
San Francisco Public Utilities Commission
Tahoe Regional Planning Agency
Washington D.C.
Washtenaw County, MI