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USGS Water Resources		Data Category: Home Current Conditions Site Information Mapper Surface Water Groundwater Water Quality Water Use	Geographic Area: United States Alabama Alaska American Samoa Arizona Arkansas California Colorado Connecticut Delaware Dist. of Columbia Florida Georgia Guam Hawaii Idaho Illinois Indiana Iowa Kansas Kentucky Louisiana Maine Maryland Massachusetts Michigan Minnesota Mississippi Missouri Montana Nebraska Nevada New Hampshire New Jersey New Mexico New York North Carolina North Dakota Northern Mariana Islands Ohio Oklahoma Oregon Pennsylvania Puerto Rico Rhode Island South Carolina South Dakota Tennessee Texas Utah Vermont Virgin Islands Virginia Washington West Virginia Wisconsin Wyoming

News - updated January 8,2013

USGS Current Water Data for Virginia

• Additional information:
  • Annual Water Data Reports: Water Years 2002-12
  • Historical instantaneous flow data for Virginia: Instantaneous Data Archive - IDA
  • USGS Threatened and Endangered Stations: By State
  • National Weather Service Advanced Hydrologic Prediction Service: River forecasts
  
  

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  During cold weather, ice effects on stage and discharge determinations at some stream-gaging stations are likely. Data values reported on these pages may be significantly higher or lower than actual values. Adjustment of data for ice effects can only be done after detailed analysis. Users are encouraged to contact this office for more information on specific sites.

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  NOTICE March 5, 2013 -- 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 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. Specific impacts to the Virginia real-time network currently are not known.

Daily Streamflow Conditions Select a site to retrieve data and station information. Explanation High > 90th percentile 76th - 90th percentile 25th - 75th percentile 10th - 24th percentile < 10th percentile Low Not ranked The colored dots on this map depict streamflow conditions as a percentile, which is computed from the period of record for the current day of the year. Only stations with at least 30 years of record are used. The gray circles indicate other stations that were not ranked in percentiles either because they have fewer than 30 years of record or because they report parameters other than streamflow. Some stations, for example, measure stage only.

Statewide Streamflow Real-Time Table Statewide Ground-Water Real-Time Table Statewide Water-Quality Real-Time Table Real-time data typically are recorded at 15-60 minute intervals, stored onsite, and then transmitted to USGS offices every 1 to 4 hours, depending on the data relay technique used. Recording and transmission times may be more frequent during critical events. Data from real-time sites are relayed to USGS offices via satellite, telephone, and/or radio and are available for viewing within minutes of arrival. All real-time data are provisional and subject to revision. Build Real-Time Table Show a custom real-time summary table for one or more stations. Build Time Series Show custom graphs or tables for a series of recent data for one or more stations.