Maps, Graphics & GIS
Delaware River Basin Maps

All are pdfs, except those marked otherwise.

Illustration of the DRB. Graphic by DRBC. 

Delaware River Basin Maps

Basin Illustration

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)

Delaware Estuary

Non-Tidal Delaware River

Lehigh River Watershed

Christina River Watershed

Maps of DRBC Program Areas

Special Protection Waters Drainage Area

Special Protection Waters Drainage Area, with Wild & Scenic River sections

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

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, Jan. 2021

DRBC Recreation Maps for the Delaware & Schuylkill Rivers (webpage)

Mapping Water Resource Landscapes in the DRB (webpage)

ArcGIS Maps/GIS Data

DRBC ArcGIS Map Gallery (webpage)

DRBC Interactive Maps (webpage)

DRBC Geographic Information System (GIS) Data (webpage)

Graphics Gallery

Population Served by the Delaware River Basin (jpg)

Total Water Withdrawals in the Delaware River Basin by Sector, 2018 (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, 2016 (jpg)

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 1967-2019 (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)

Other Maps

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/