Stream Quality Monitoring Volunteers use a variety of equipment to measure stream water turbity, ph, and other characteristics. WAAC and the Environmental Alliance for Senior Involvement (EASI) have partnered in collecting physical and chemical stream data in Adams County for more than 17 years. Data has been collected at 32 sites. Currently, there are 6 monitoring stations that are active (see list of active stations below).   Toms Creek (Hamiltonban Township) Swamp Creek (Hamiltonban Township) Bermudian Creek  Conewago Creek South Branch Conewago Creek Little Marsh Creek (Highland Township) Marsh Creek (Cumberland Township) Rock Creek (Cumberland Township)   To view the data, please click the Links below. Physical Stream Data  Chemical Stream Data