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.
| Layer | Size | Metadata |
|---|---|---|
| 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.
