Tax Ditches and PDAs (Public Drainage Associations)

These data represent digitized and annotated tax ditches and public drainage associations (PDAs) in select areas of Maryland's Eastern Shore. Tax ditches from the Choptank, Manokin, Nanticoke, Pocomoke, Wicomico and Coastal Bays watersheds are available for free download as are PDAs from the Chester, Choptank, Nanticoke, Pocomoke and Coastal Bays watersheds.

Available Datasets

Tax Ditches
- Choptank River Watershed (103 KB)
- Coastal Bays Watershed (43 KB)
- Manokin River Watershed (34 KB)
- Nanticoke River Watershed (69 KB)
- Pocomoke River Watershed (90 KB)
- Wicomico River Watershed (42 KB)

PDA (Public Drainage Association)
- Chester River Watershed (32 KB)
- Choptank River Watershed (65 KB)
- Coastal Bays Watershed (48 KB)
- Nanticoke River Watershed (60 KB)
- Pocomoke River Watershed (81 KB)


*All datasets are in compressed .zip format. To download, click a link and save the file to your computer. Extract all files from the .zip file to an appropriate location on your computer. The resulting file is an ESRI geodatabase which may be opened using GIS software.

Data Example



Example Map in pdf format