Delaware • New Jersey • Pennsylvania
New York • United States of America
All are pdfs, except those marked otherwise.
DRBC Online Map Gallery (webpage)
![]() |
Delaware River Basin Maps
♦ Illustration: A Look at the Delaware River Basin (jpg)
♦ Basin within the Mid-Atlantic Region
♦ Basin: select reservoirs/cities/tributaries
♦ Basin: county boundaries & select cities
♦ Basin: county boundaries & select reservoirs/cities/tributaries
♦ Basin: county & tidal boundaries, with select reservoirs & cities
♦ Basin: Landcover, 2016 (jpg)
♦ Basin: % Impervious Cover, 2016 (jpg)
Delaware River Basin Maps w/Major Reservoir Call-out Boxes
♦ Basin without county boundaries
♦ Basin with county boundaries
♦ Basin with county boundaries & additional info
♦ Basin without county boundaries & with storage info (incl. drought emergency storage availability)
♦ Basin with county boundaries & storage info (incl. drought emergency storage availability)
Delaware River Basin Maps: Shaded Relief
♦ Basin without county boundaries
♦ Basin with county boundaries
SubWatersheds/SubRegions of the Delaware River Basin
♦ HUC 8 Watersheds within the Delaware River Basin
♦ Watersheds of the Delaware River Basin
♦ Physiographic Regions of the Delaware River Basin (jpg)
Maps of DRBC Program Areas
♦ Special Protection Waters Drainage Area
♦ Special Protection Waters Drainage Area, with Wild & Scenic River sections
♦ DRBC Biomonitoring Program Site Location Map
♦ Southeastern Pennsylvania Groundwater Protected Area within the DRB
♦ Southeastern Pennsylvania Groundwater Protected Area: included counties/municipalities
♦ DRBC Water Quality Zones by river mileage
♦ DRBC Water Quality Zones with county boundaries & select cities
♦ DRBC Delaware Estuary Water Quality Zones
♦ Delaware Estuary Water Quality Monitoring Program Locations & DRBC Water Quality Zones
♦ DRBC Water Quality Monitoring Sites
♦ DRBC Map of NPDES Permitted Discharge Sites in the Delaware River Basin
♦ DRBC Map of Surface Water Withdrawals in the Delaware River Basin
Other Maps
♦ Native Territories in the Delaware River Basin
♦ National Wild & Scenic River Stretches within the Delaware River Basin
♦ Furthest Upstream Location of the Salt Front during the 1960s Drought of Record
♦ Extent of Marcellus Shale Formation in the Delaware River Basin
♦ Marcellus Shale Formation and DRBC's Special Protection Waters Drainage Area
♦ U.S. Congressional Districts & Representation in the Delaware River Basin, January 2023
♦ DRBC Recreation Maps for the Delaware & Schuylkill Rivers (webpage)
♦ Mapping Water Resource Landscapes in the DRB (webpage)
♦ DRBC ArcGIS Map Gallery (webpage)
♦ DRBC Interactive Maps (webpage)
♦ DRBC Geographic Information System (GIS) Data (webpage)
♦ Population Served by the Delaware River Basin (jpg)
♦ Total Water Withdrawals in the Delaware River Basin by Sector, 2020 (jpg)
♦ Water Management Schematic for the Delaware River Basin (pdf)
♦ Reductions in Top 10 Point Source Dischargers' PCB Loadings 2005-2016 (jpg)
♦ Land Cover in the DRB, 2019 (jpg; data source: National Land Cover Database)
♦ Chlorides at the Delaware River at Trenton - a timeseries (jpg)
♦ Flow Data Bar Charts for select locations, showing 2018 as record year (webpage)
♦ Flow Data Bar Chart for the Delaware River at Trenton, updated for 2021 (jpg)
♦ Flow Data: visualized using R scripts (webpage)
♦ Water Quality Data: visualized using R scripts (webpage)
♦ Groundwater Well Data for Southeastern Pa. Groundwater Protected Area: visualized using R scripts (webpage)
♦ DRBC Delaware Estuary Monitoring: Dissolved Oxygen Improvements 1967-2021 (YouTube)
♦ Percent of Groundwater Use in the Delaware River Basin: 1997-2017 (YouTube)
♦ Schuylkill River Discharge per Drainage Area: September 1-5, 2021 (YouTube)
♦ Schuylkill River Discharge Profile: Watch the River Rise & Fall, 8/12/21 - 9/5/21 (YouTube)
♦ Delaware River Discharge Profile: Watch the Non-Tidal River Rise & Fall, 8/12/21 - 9/5/21 (YouTube)
♦ USGS Delaware River Dashboard (webpage)
♦ Academy of Natural Sciences of Drexel U: Delaware River Watershed Initiative Water Quality Mapper (webpage)
♦ Shippensburg University: Delaware River Basin Project (webpage)
♦ River Runner: this application by web visualization/developer Sam Learner allows you to click on the map anywhere in the U.S. and follow the "drop of water" as it flows through its watershed. This is a great way to visualize a watershed and how rivers and streams are connected.
♦ Learn more about the Delaware River Basin's native populations: https://native-land.ca/
Copyright © Delaware River Basin Commission,
P.O. Box 7360, West Trenton, NJ 08628-0360
Phone (609)883-9500; Fax (609)883-9522
Thanks to NJ for hosting the DRBC website