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Map of major watersheds in Massachusetts

December 2024 (approx.)

Detailed Description

The Water Management Act regulates water use in Massachusetts for sources that use more than 0.1MGD for any 90-day period.  Regulation is performed basin-by-basin in 27 major river basins and may include lawn-watering restrictions or other measures to help ensure ample and safe supply during times of drought or higher use periods in the summer.

Sources/Usage

Public Domain.

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