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LESTER RIVER

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35.6
miles
square
= 92.2
kilometers
square
= 22,773
acres
57.8
miles
=

93.0
kilometers

   
60.7
miles
= 97.8
kilometers
   




1.6
miles per
square mile
= 1.0
kilometers
per square
kilometer
   
1.7
miles per
square mile
= 1.1
kilometers
per square
kilometer
   



Lester River Watershed Land Use


Download the USGS Geomorphology Study from our Reports page

View the above graph for other streams.



Percent impervious is the percentage of the land area within a watershed covered with impervious surfaces, or surfaces that do not allow water to infiltrate the soil. They include rooftops and asphalt or concrete roads, parking lots and sidewalks. Find out more about how this data was analyzed here.

The Stream Impact Threshold is defined by the Nonpoint Education for Municipal Officials and is cited in "Center for Watershed Protection, 8391 Main Street, Ellicott City, MD, 21043-4605.

More information on how these numbers were calculated can be found on the impervious surface page of this website.