WATER DATA FOR THE NATION

National Water Information System (NWIS)

View current and historical streamflow, groundwater level, and water-quality data

Data Discovery

For more data options, explore our data discovery tools.

Today's Water Conditions

View maps of current and historical conditions

Click map to go to current water resources conditions in the U.S.

Subscribe to hydrologic alerts:

WaterAlert

WaterNow@usgs.gov

WATER SCIENCE SPECIALTIES

WATER SCIENCE BY STATE

USGS Water Science Centers are located in each state

News updated January 7, 2013

USGS WaterAlert

The U.S. Geological Survey WaterAlert service sends e-mail or text (SMS) messages when certain parameters, as measured by a USGS real-time data-collection station, exceed user-definable thresholds. The development and maintenance of the WaterAlert system is supported by the USGS and its partners, including numerous federal, state, and local agencies.

Real-time data from USGS gages are transmitted via satellite or other telemetry to USGS offices at various intervals; in most cases, once every 1 or 4 hours. Emergency transmissions, such as during floods, may be more frequent. Notifications will be based on the data received at these site-dependent intervals.

Instructions

* References to non-U.S. Department of the Interior (DOI) products do not constitute an endorsement by the DOI. By viewing the Google Maps API on this web site the user agrees to these Terms of Service set forth by Google.

Related Services

USGS WaterNow: The USGS WaterNow service lets you send a query for a USGS gaging site, via email or cell-phone text message, and quickly receive a reply with its most recent data for one or more if its monitored parameters.
USGS National Water Information System Mapper: The National Water Information System (NWIS) provides access to data at over 1.5 million sites. There are 56 possible site types, including 14 primary types and 42 secondary types. Sites may be active or inactive, real-time or historical.
USGS Flood Inundation Mapper: Ths mapping tool shows digital, geospatial, flood-inundation maps of flood water extent and depth on the land surface, with current site conditions.

• Questions about sites and data?

USGS Home Water Climate Change Science Systems Ecosystems Energy, Minerals, & Env. Health Hazards USGS Intranet

Accessibility FOIA Privacy Policies and Notices

U.S. Department of the Interior | U.S. Geological Survey
URL: http://water.usgs.gov/wateralert/
Page Contact Information: USGS WaterAlert
Page Last Modified: Wednesday, 09-Jan-2013 16:59:04 EST