General information
Picture of freshwater mussels, courtesy of North American Benthological Society
"All the little things we do, taken together, make a big difference". Nice series from the Vermont Agency of Natural Resources (off-site).
EPA -- Surf Your Watershed. Off-site link to a map of Maine that allows you to click on a particular watershed and access information at EPA (federal Environmental Protection Agency) listing the facilities that have point discharges in each watershed, and what chemicals/substances each facility has a permit to discharge, as well as other water related information.
Erosion. Soil erosion is the #1 source of pollution to surface water in Maine. Each year rainstorms and snowmelt wash tons of dirt off the land around Maine.
Maine's Coastal Wetlands by Alison E. Ward, NOAA Coastal Management Fellow. Volume One: Part 1, Part 2, Part 3, Part 4, Part 5
Nonpoint pollution. Background information, prevention tips, and the DEP's efforts to raise awareness about water pollution.
PEARL (Public Educational Access to Resources on Lakes). Link to University of Maine, Water Research Institute (off-site)