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Real-Time Water Data for the Nation

You can access real-time water data from the USGS National Water Information System: Web Interface. Data are recorded at 15-60 minute intervals and then transmitted to USGS offices every 1 to 4 hours. During critical events such as flooding and hurricanes, recording and transmission times may be more frequent. 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. Data are collected at approximately 1.5 million sites in all 50 States, the District of Columbia, and Puerto Rico.

Data available include stream discharge, water levels, precipitation, and components from water-quality monitors.

Drop down menus and a hot linked map are among the features that make finding and using this data easy.

CC BY-NC-SA 4.0 This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.

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