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Interactive Maps

Discover USGS science and data through mapping experience and refine search with filter options.

Filter Total Items: 317

REmote Aquatic Chlorophyll-a Tracker (REACT)

This tool shows the presence of aquatic chlorophyll-a in select waterbodies. Note: This tool indicates the presence of aquatic chlorophyll-a and should not be used to determine if a toxic cyanobacterial bloom (harmful algal bloom) is present. 

Albuquerque Region Nitrate Map Viewer

This interactive map summarizes historical groundwater sampling for nitrate in the Albuquerque Basin, potential sources of nitrate in groundwater, and other complementary data.

Baseflow Forecasts for Selected Sites in the United States

This website provides access to baseflow forecasts for river and streams across the United States using the Baseflow Separation Model, BFS (Konrad 2022). Forecasts are available to download as data tables and through an interactive mapper.

Hurricane Ida: USGS Response in Pennsylvania to September 1-2, 2021, Flooding Related to Remnants of Hurricane Ida

This geonarrative is an interactive online presentation of the USGS Pennsylvania Water Science Center's data collection efforts related to Hurricane Ida. This geonarrative includes a summary of the storm in Pennsylvania, USGS data collection methods, embedded interactive maps of flood extents in 5 southeastern Pennsylvania localities, and visual depictions of the storm’s impact across the state.

Interactive Map: West Virginia Public Water System Drought Risk

This application is intended to help emergency, environmental, and public health managers at the federal, state, and local levels in West Virginia evaluate, plan for, and respond to potential drought conditions in at-risk communities. It uses estimated public water supply withdrawal rates to symbolize modeled drought conditions once every hour using National Water Model streamflow estimates.

Celebrating a Half-Century at EROS

For 50 years, the EROS Center has been archiving and distributing satellite, aerial, and mapping data amidst farmland north of Sioux Falls, South Dakota. We invite you to explore the surprising history and cutting-edge science and research performed at EROS every day. 

Groundwater Resources of the New Jersey Coastal Plain

Online maps provide a view into the groundwater resources of 10 confined aquifers beneath Central and Southern New Jersey. These large-scale water-level surveys completed every 5 years provide a regional overview of groundwater conditions and helps water resource managers identify vulnerabilities to ensure their sustainability for current and future groundwater use.

 

Klamath Dam Removal Studies web map

This interactive webmap shows USGS dam removal monitoring locations in the Klamath River basin. Monitoring activities include: suspended-sediment, macroinvertebrates, suspended sediment sampling, topographic surveying, bathymetric surveying, geomorphologic mapping, and riparian vegetation mapping.

USGS New York State HydroCoM

The New York Water Dashboard presents USGS real-time stream, lake and reservoir, precipitation and groundwater data for more than 300 USGS real-time observation stations in New York.

PFAS in US Tapwater Interactive Dashboard

Drinking-water quality and potential exposures to per- and poly-fluoroalkyl substances (PFAS) at the point-of-use (tapwater) are a rising concern in the United States (US).

Dixie Fire Post-Fire Debris Flows: A Tale of Two Storms

The Dixie fire burned steep hillslopes in the northern Sierra Nevada California during the summer of 2021. The burn area was impacted by two significant storms in October 2021 and June 2022. These storm events resulted in very different types of rainfall and very different postfire flow events. This story map uses maps, photos, and rainfall data to highlight the storms and their impacts.  

Geonarrative: How and why are conditions changing in Fairfax streams?

This interactive narrative summarizes a new U.S. Geological Survey report wherein monitoring data collected between 2007 and 2018 are used to provide insights into the changing water quality of urban streams in Fairfax County and the potential role of water-quality management practices.