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Public Access Maps, Rules, Fishing & Hunting Information 

Learn about public access rules and regulations for DCR's drinking water supply watersheds.

Water Data Tracking 

Find water data collected by DCR.

DCR Watershed Water Quality 

Find information on water quality in the source drinking water supply watersheds for 2.5 million Massachusetts residents.

Division of Water Supply Protection PRR 

Learn how to request public records from the Division of Water Supply Protection.