The U.S. Geological Survey's (USGS) National
Water Information System (NWIS) is a comprehensive and distributed
application that supports the acquisition, processing, and long-term
storage of water data. USGS Water Data for the Nation Site serves as
the publicly available portal to a geographically seamless set of much
of the water data maintained within NWIS (additional
USGS Water Data for the Nation Site provides access
to water data from over 1.5 million sites in all 50 States and
additional border and territorial sites. The data are organized within
the categories listed to the left.
The water data available via this site have been
acquired as part of the USGS investigations of the occurrence,
quantity, quality, distribution, and movement of the surface and
underground waters that constitute the Nation's water resources.
Additional information about the USGS and water resources of the Nation
is available at water.usgs.gov.
USGS to Discontinue Streamgages Due to
Sequestration: The U.S.Geological
Survey (USGS) will discontinue operation of up to 375 streamgages
nationwide due to budget cuts as a result of sequestration.
Additional streamgages may be affected if partners reduce their
funding to support USGS streamgages. The USGS is working to identify
which streamgages will be impacted and when, and will post this
information as it becomes available. Streamgages are used nationwide
to predict and address drought and flood conditions by monitoring
water availability. The USGS and over 850 Federal, State, and local
agencies cooperatively fund the USGS streamgaging network, which
consists of over 8,000 streamgages. When budget fluctuations occur,
the network is impacted. Impacts to California currently are not