Data and Tools


Get current water conditions that are important to you, such as water levels, streamflow, temperatures, and more.

Filter Total Items: 156
Date published: June 22, 2021

WaterWatch (surface water)

WaterWatch displays maps, graphs, and tables describing real-time, recent, and past streamflow conditions for the United States, including flood and droughts. Real-time information generally is updated on an hourly basis.

Date published: June 22, 2021


The USGS WaterNow service lets users receive current conditions for USGS water-data-collection stations on demand via email or cell-phone text message. The user sends an email or text message containing a USGS current-conditions gaging site number, and will quickly receive a reply with the station's most recent data for one or more of its monitored parameters.

Date published: April 13, 2021

Water Quality Samples for USGS 11092450 LOS ANGELES R A SEPULVEDA DAM CA

Water-quality data collected for various parameters at USGS monitoring site 11092450 (Los Angeles River at Sepulveda Dam).

Date published: December 18, 2020


MODFLOW-NWT and MODPATH6 Models Used to Simulate Groundwater Flow in the Regional Aquifer System of Long Island, New York, for Pumping and Recharge Conditions in 2005-15

Date published: November 12, 2020

Surface water sites associated with the hydrologic assessment of the Blackfeet Reservation, Montana

Surface water sites associated with the hydrologic assessment of the Blackfeet Reservation in Montana.

Date published: October 8, 2020

Philadelphia Area Groundwater Level Network

The Philadelphia Water Department (PWD) and USGS worked together on the groundwater level monitoring network for Philadelphia. 

Date published: May 6, 2020

Walla Walla Project Area Surface Water Sites

Walla Walla Project Area Surface Water Sites

Date published: May 1, 2020

Walla Walla County Groundwater Watch

Network wells depicted on the Walla Walla County, WA location map Note: Color shading in the table below indicates multiple wells that plot as a single point on the state location map above. Note: BLS = Water Level in Feet Below Land Surface, RVD = Water Level referenced to a vertical datum

Date published: April 24, 2020

Profile Analysis Tool - Detroit Lake, OR

Lake profiler used to display water-quality data in Detroit Lake, OR. These data also provide insights into the evolution, behavior, and decay of the seasonal blooms which can inform management strategies, modeling, and perhaps prediction of blooms in the future.

Date published: July 9, 2019

Freshwater Flow into Chesapeake Bay

The USGS provides estimates of the monthly and annual amounts of freshwater flow into the Bay so scientists and managers can better understand effects on ecosystem conditions.

Date published: May 16, 2019

USGS Installed Wells - San Diego County, CA

Summary tables of data for USGS installed wells in San Diego County, CA.  Included are links to data sets, including well construction, geophysical logs, lithologic logs, groundwater levels, water quality, and streamgages.

Date published: April 19, 2019

Puget Sound Real-Time Water-Level Data

The chart shows the most recent 7 days of data at all Puget Sound water level sites with available data. Use mouse scroll wheel to zoom and drag to pan. Sites include Bellingham, Oak Harbor, Edmonds, Lofall, Steilacoom, and Olympia.