Welcome to Great Rivers Habitat Alliance

Great Rivers Habitat Alliance (GRHA) was founded in 2000 in order to directly combat the growing consumption of the 100-year Confluence Flood Plain through commercial development. Primarily comprised of St. Charles County flood plain land owners, GRHA tackles the policies permitting wholesale flood plain development and encourages thoughtful alternatives.

Great Rivers Habitat Alliance and the volunteers and staff of Ducks Unlimited cordially invite you to a Partnership Event:

Thursday, October 19, 2017
5:30 – 9:30pm
Donald Danforth Plant Science Center

This year’s event will unveil the 6th edition of the St. Charles Duck Club Map in honor of A. William Hager (1924 – 2012) for his many contributions to conservation and the tradition of waterfowl hunting in our community.

2017 GRHA-DU Gala Invitation _Page_1 2017 GRHA-DU Gala Invitation _Page_2


You may mail in your reservation or call our office at 314-918-1007 to reserve your table or individual tickets with a credit card. You may also do so online here:

Tables are $3,000 for 10 people if you or your group would like a special, banquet-edition, framed copy of a duck club map. If not, tables are $2,500. Individual tickets are $300 if you are pooling the money for the framed map, or $250 without a map. (Unframed duck club maps will be available for sale that night for $400.)
If your company or club is interested in being a sponsor for this gala event, please contact David Stokes or Mike Checkett with Ducks Unlimited.


Mike Checkett 636-587-6027 or
David Stokes 314-918-1007 or

Thank you for your support of floodplain, wetlands, and habitat conservation.
On behalf of both groups, we could not achieve our missions without you. 




Since 2000, GRHA has made progress increasing the awareness of policy makers and the public about flood plain developments and levee construction efforts.

Learn More

Become a Member

GRHA relies on support from those interested in preserving Missouri’s Big River Floodplains and Wetlands. Consider supporting GRHA by becoming a member.



Subscribe to the GRHA e-newsletter to receive the latest news and announcements about GRHA’s ongoing efforts as well as private invitations to future GRHA events.