Surface Water Supply Watersheds
- This datalayer contains the watershed extents for all surface water supplies including active, inactive, emergency, sources outside of Massachusetts, watersheds that extend into other states and watersheds of sources from other states that extend into Massachusetts. Surface water intakes on Class B Rivers are not included in this datalayer, with the exception of Horn Pond in Woburn where the water is drawn in through wells adjacent to the shoreline. Please refer to the Surface Water Supply Protections Zones datalayer and the Public Water Supplies datalayer for information regarding regulated protection zones and public water supply intake information.
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