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)
South Branch Conewago Creek
Little Marsh Creek
Marsh Creek (Cumberland Township)
Rock Creek (Cumberland Township)