USGS Surface Water for USA: Streamflow Measurements

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Streamflow Measurements for the Nation

Middlesex County, Massachusetts

Hydrologic Unit Code 01070005

Latitude 42°23'47", Longitude 71°21'55" NAD27

Drainage area 145 square miles

Gage datum 0.00 feet above NAVD88

**Period of record**
Begin Date	End Date	Count
1987-11-16	2007-04-25	6

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U.S. Department of the Interior | U.S. Geological Survey
Title: Surface Water for USA: Streamflow Measurements
URL: https://staging.waterdata.usgs.gov/nwis/measurements?

Page Contact Information: Massachusetts Water Data Support Team
Page Last Modified: 2025-01-31 12:55:21 EST
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