Land Use Summary Maps

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Land Use Summary Maps

All files open with Adobe Acrobat Reader.  You can download this program for free here.

Percent Agriculture
Highest %: Middle Little Darby  86.6%
  Lowest %: Big Darby I-70 to I-71  54.3%

Percent Wooded
Highest %: Headwaters Big Darby  39.6%
  Lowest %: Robinson Run 12.4%

Percent Residential
Highest %: Robinson 17.5%
  Lowest %: Treacle/Proctor 0.21%

Percent Wetlands
Highest %: Headwaters Big Darby  41.5%
  Lowest %: Middle Little Darby 4.1%

Percent Open Water
Highest %: Robinson Run 1.41%
  Lowest %: Middle Little Darby 0.01%

Percent Open Grass
Highest %: Robinson Run 1.7%
  Lowest %*: Middle Big Darby 0.02%

Percent Commercial or Industrial
Highest %: Flat Branch 9.6%
  Lowest %*: Spring Fork 0.05%

Percent Dense Residential
Highest %: Robinson Run  0.79%
  Lowest %*: Middle Big Darby 0.18%

Percent Quarry
Only: Middle Big Darby 0.27%** 


*Some subwatersheds do not have all classifications.  Lowest percentage represents the subwatershed that has that classification and has the lowest percentage.

**Most Quaries

If you would like to view all the land use maps in one pdf document, that is also available by clicking here.  This is a 1.2 MB document so this method is not recommended for users with slower internet connections.

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Last updated: April 7, 2009.