Resource Library
Explore & Learn
Welcome to the OARS 3 Rivers Resource Library! This collection of reports, studies, and guides provides essential data and insights into the health of the Sudbury, Assabet, and Concord rivers. Whether you’re a researcher, policymaker, or community member, these resources offer valuable information on water quality, ecological restoration, river flow, watershed planning, and community stewardship. Browse by category below to explore the latest findings and ongoing efforts to protect and restore our rivers.
WATER QUALITY & MONITORING
Water Quality Report Repository
Water Quality Reports Appendices
Bacteria Data
Water Chemistry Monitoring
Dissolved Oxygen Reports
Conductivity Survey Reports
RIVER ECOLOGY & RESTORATION
Aquatic Plant & Biomass Appendices
RIVER FLOW, DAMS, & HYDROLOGY
Sediment & Dam Removal Studies
Hydrology & Flow Studies
WATERSHED PLANNING & CONSERVATION
Total Maximum Daily Load (TMDL) & Phosphorus Studies
Watershed Management & Planning
Hop Brook Studies
REGIONAL RIVER PLANNING & REPORTS
2003—Upper Assabet Riverway Plan