Pennsylvania Water Science Center


Maps are vital to displaying and disseminating our data and investigative findings. Our staff work on a diverse range of products built on a foundation of spatial data. We collect environmental data on the landscape and maps provide the geographic reference.

Many of our maps are published in USGS report series. 

Find Map Publications

Filter Total Items: 3
Date published: May 7, 2020

Pennsylvania Groundwater Quality Monitoring Network

USGS Pennsylvania Water Science Center, in cooperation with the Pennsylvania Department of Environmental Protection, samples 28 wells biannually to monitor ambient groundwater quality conditions in a variety of settings throughout Pennsylvania.

Date published: May 2, 2019

Flood Inundation Mapper - Pennsylvania

USGS Flood Inundation Mapper Web Application

Date published: May 1, 2019

Potential Radon Exposure from Groundwater and Indoor Air in Pennsylvania

The thumpnail map is figure 7 in 

Gross, E.L., 2017, Evaluation of radon occurrence in groundwater from 16 geologic units in Pennsylvania, 1986–2015, with application to potential radon exposure from groundwater and indoor air: U.S. Geological Survey Scientific Investigations Report 2017–5018, 24 p.,

Digital map data for this and other maps are available.