REAL-TIME HYDROLOGIC DATA SOURCES

Data Collection Sub-Committee datacollection@hydrologicwarning.org Curt Barrett, Coordinator

The following are links to various agencies, organizations, and groups that operate real-time hydrologic data collection, information, and warning systems.
Disclaimer: These links are updated all the time by the host agency and we try to keep them current, but there will be times when the links will not work.

UNITED STATES

Arizona

• Arizona Flood Warning & Drought Monitoring
• Flood Control District of Maricopa County (Phoenix Metro Area)
• Pima County Regional Flood Control District
• Yavapai County Flood Control District

Arkansas

• Buffalo National River

California

• Los Angeles County Department of Public Works
• Marin County Flood Control & Water Conservation District (San Franciso Bay area)
• County of Orange Watershed & Coastal Resources Division (Greater Los Angeles area)
• City of Roseville
• San Bernandino County
• San Diego County Flood Control District
• Santa Clara Valley Water District (San Francisco Bay area)
• Ventura County Watershed Protection District

Colorado

• City of Fort Collins
• Urban Drainage and Flood Control District (Denver Metro area)

Florida

• Martin County

Illinois

• Kane County

Indiana

• City of Anderson
• City of Fort Wayne

Kansas

• City of Overland Park

Nebraska

• City of Lincoln

Nevada

• Clark County Regional Flood Control District (Las Vegas Metro area)

New Jersey

• Stevens Institute of Technology-Center for Maritime Systems (Coastal Monitoring Network)

Oklahoma

• City of Tulsa

Texas

• City of Dallas Flood Control District
• Harris County Homeland Security & Emergency Management (Houston Metro area)
• Lower Colorado River Authority
• Rice University TMC Flood Alert System

Virginia

• Roanoke County

Washington

• King County
• City of Issaquah
• Snohomish County

West Virginia

• WV Dept. of Military Affairs & Public Safety

Federal Agencies

DEPARTMENT OF THE ARMY

United States Army Corps of Engineers (USACE)

• Navigation Data
• Water Management (by District)

DEPARTMENT OF COMMERCE

National Oceanic and Atmospheric Administration (NOAA)

• NOAAWatch--an All-Hazard Warning page
• IFLOWS -- Integrated Flood Observing and Warning System
• National Severe Storms Laboratory
• Advanced Hydrologic Prediction System--NWS
• National Snow Analyses--NOHRSC
• National Buoy Data Center
• Tide Stations

DEPARTMENT OF INTERIOR

Bureau of Reclamation (BOR)

• Dams & Reservoirs--(clickable regional map)
• SNOTEL stations

U.S. Geological Survey (USGS)

• Waterwatch--comprehensive water hazards page
• Droughts
• Floods and High Flow locations
• Water Resources of the United States--(from NWISWeb)
• Natural Hazards Support System--includes wildfire information
• Natural Hazards Gateway--includes seismic and tsunami information

INTERNATIONAL

• Upper Parramatta River Trust - Australlia
• Murray-Darling Basin Authority - Australia
• Environment Canada
• Caribbean Nations real-time streamflow (via USGS Caribbean WSC)
• Rivers of China
• Reservoirs of China
• Federal Institute of Hydrology - Germany
• Meteorological Service of Jamaica
• Sub-Saharan African Development Community (Africa)