Keep Dallas Beautiful, Keep Garland Beautiful and Keep Rowlett Beautiful are partnering together to host a cleanup of Lake Ray Hubbard as part of the Keep Texas Waterways Clean Program. Volunteers needed. Free event T-shirts will be given to the first 1,500 participants, so pre-registration is encouraged. Check-in begins at 8 a.m. with deployment to work locations. Volunteer Appreciation Picnic begins at 11:30 a.m.