DRBC staff members have developed basin-wide GIS data layers.
| Data Layer | File Name |
| Delaware River Basin Boundary | drbbnd.zip |
| Delaware River | delriv.zip |
| DRBC Water Quality Zones | drbzone.zip |
| Delaware River Mile Markers, every 1/2 mile | delrivpt5.zip |
| Special Protection Waters Drainage Boundary | spwbnd.zip |
| Special Protection Waters Classification | spwclass.zip |
| Wild and Scenic Designations | wildandscenic.zip |
| SE PA Groundwater Protected Area Boundary | gwpabnd.zip |
| SE PA Groundwater Protected Area Municipalities | gwpamun.zip |
| Public River Access Sites | riveraccess.zip |
The following is a listing of web sites where GIS data for the basin states can be obtained:
DRBC
Home Page
Voice (609) 883-9500