
Join us! Stormwater impacts and water sampling
August 30, 2023Want to know how heavy rainfalls, like those we have experienced this summer, impact Casco Bay? Join Friends of Casco Bay staff in South Portland on September 8 at 10 a.m. to learn about the impacts of stormwater on our local waters using both observational and scientific data. What: Stormwater Impacts and Water… Read more

31 Years of Seasonal Sampling
June 8, 2023Today, on World Ocean Day, we are celebrating our 31st year of collecting seasonal water quality data on the health of Casco Bay! It also happens to be Casco Baykeeper Ivy Frignoca’s birthday – Happy Birthday, Ivy! Every year, from May to October, Ivy and Staff Scientist Mike Doan take… Read more

The Maine Ocean Climate Collaborative Provides a Model to Move Maine Forward
May 11, 2023Studying changing coastal ecosystems comes with unique challenges – Friends of Casco Bay and our partners are taking them on. Friends of Casco Bay is facilitating the newly formed Maine Ocean Climate Collaborative, a coalition of scientists and marine organizations from the University of New Hampshire to the border of… Read more

Nab Data Suggest Land-Based Sources Contribute to Nitrogen Pollution
April 27, 2023166 volunteers collected water samples from Portland Harbor to help measure and address nitrogen pollution. Here is what we found. It was a sweltering summer morning on August 7, 2022 when 166 volunteers descended on Portland Harbor to collect water samples for nitrogen analysis. After sending the 178 samples collected… Read more

Mike’s Field Notes: Warm Winter Waters in Casco Bay
April 7, 2023In this 4 minute video, Staff Scientist Mike Doan breaks down the data from our Continuous Monitoring Station in Yarmouth that show this past winter was unusually warm for Casco Bay. In addition to watching Mike’s video, you can read about these data and the many impacts of warming waters (such… Read more

“Staggering” loss of eelgrass habitat in Casco Bay
March 24, 2023More than half of the critical and federally protected seagrass meadows in Casco Bay disappeared between 2018-2022. Eelgrass meadows in Casco Bay have declined in size by 54 percent over the past four years, a loss described as “staggering” in a new report from the Maine Department of Environmental Protection (DEP). This… Read more