Sarah Gladu Damariscotta River Association Damariscotta, ME The Maine Coastal Observing Alliance (MCOA) consists of nine coastal citizen monitoring groups who collect water samples and analyze pH, temperature, dissolved oxygen, nutrients (total nitrogen), salinity, and turbidity in eight coastal estuaries and embayments between Casco Bay and Penobscot Bay. This coastwide survey, initiated in 2013, of … Continue reading DV-17-21 Midcoast Maine Water Quality for Our Communities