If you are traveling to Flint and plan to stay overnight, there are several local hotels and inns available for you to choose from. 

Water summit organizers have made discounted arrangements with one local hotel for $49 per night (plus taxes, fees), breakfast included:

Quality Inn and Suites Airport
2361 Austins Pkwy
Flint, MI 48507
(810) 232-4222

To get the discounted rate, tell them you are reserving under:
Water Is Life conference 

Cancellations must be made within 48 hours of check-in. The Quality Inn and Suites Airport is almost making available this rate for persons who need to stay in Flint Thursday and/or Saturday night too.

You can find other Flint area lodging options by doing a google search (Flint hotels). There are several affordable options between $40-75 per night. 

Participants in need of hotel or gasoline travel assistance can request a $25 stipend on the registration page. Payments will be issued on-site at the registration check-in table. Funds are limited and available on a first-come, first-served basis through registration.