External Resources
- Senator George J. Mitchell Center for Environmental and Watershed Research: http://www.umaine.edu/waterresearch/default.htm
- Penobscot River Restoration Trust: http://www.penobscotriver.org/content/4004/The_River/
- Wastewater Treatment Plant in Brewer, ME: http://www.brewerme.org/WaterDept/water_department.htm
- Maine Department of Environmental Protection: http://www.maine.gov/dep/