the Watershed organization for the Sudbury, Assabet, and Concord rivers MISSON Protect, improve, and preserve the Sudbury, Assabet, and Concord rivers and watershed for all people and wildlife. VISION A watershed with resilient streams and rivers that provide healthy wildlife habitat, water supply, beauty, education, and recreational opportunities for all. OARS is an effective, innovative, inclusive, and science-based organization that works to achieve and sustain this vision into the future.