River Rendezvous.
Cobb Water Lab 662 S. Cobb Drive, MariettaVisit three sites to monitor along Rottenwood Creek where it joins the Chattahoochee River. Collect water samples, photo document the site, pick up litter, and conduct a habitat assessment. 8:30am-2pm. RSVP required. Cobb County Water System Water Quality Laboratory Training Center, 662 South Cobb Drive, Marietta. More info: www.watershed.cobbcountyga.gov