Statewide GIS Data Layers
The following shapefiles are availabe as zip files. Alternatively, you may download the data by HUC 8 watershed here. The symbology developed by the ACC scientists are included as Layer files (.lyr). For help using layer files in ArcMap projects, click here.
|Aquatic Communities by HUC 12||12.5mb||n/a|
|Fish Communities, Atlantic Basin||19.7mb||text file|
|Fish Communities, Ohio-Great Lakes Basin||11.7mb||text file|
|Least Distrubed Streams||3.0mb||n/a|
|Macroinvertebrate Family Communities||32.1mb||text file|
|Macroinvertebrate Genus Communities||32.1mb||text file|
|Mussel Communities, Delaware Basin||3.3mb||text file|
|Mussel Communities, Ohio-Great Lakes Basin||11.5mb||text file|
|Mussel Communities, Susquehanna-Potomac Basin||15.4mb||text file|
|Stream Reach Watersheds||114.3mb||n/a|
|Watershed Analysis (Conservation, Enhancement, Restoration)||6.9mb||n/a|
HUC 8 GIS Data Layers
The following links package the statewide GIS shapefiles by HUC 8 watershed. To download the zipped GIS shapefiles right-click a HUC 8 watershed from the map or the list below.