Urban River: Merrimack River
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About the Merrimack
The Merrimack River watershed is the fourth largest watershed in New England, encompassing 5,010 square miles.
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Environmental Challenges
Stormwater runoff is generated from precipitation that does not soak into the ground. The runoff picks up pollutants that can harm our waters.
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Water Quality Monitoring Resources
Water quality monitoring is a crucial aspect to protecting and understanding water resources.