Water Resources of the United States


RDG Config (internal only)

RDG Configuration Files

Click the link above to jump to internal USGS website for configuring RDGs. (Login with USGS email address and domain password.)

Water-level Sensors

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Click here to verify the USGS authenticity.


USGS Contact Information

For questions related to this site or to contribute content, please email TODD KOENIG or BOB HOLMES at the USGS Office of Surface Water.

USGS Flood Information   

The USGS provides practical, unbiased information about the Nation's rivers and streams that is crucial in mitigating hazards associated with floods. This site provides information about the USGS activities, data, and services provided during regional high-flow events, such as hurricanes or multi-state flooding events. The USGS response to these events is typically managed by the National Floods Specialist.

  • USGS Rapid Deployment Gages (RDGs)

image of USGS RDG installation

USGS Rapid Deployment Gages (RDGs) are fully-functional streamgages designed to be deployed quickly and temporarily to measure and transmit stream stage data in emergency situations. The speed with which these gages can be installed allows the USGS to...

  • augment gage networks during coastal or riverine flooding by adding additional temporary locations to the network.
  • provide situational awareness and support to emergency managers.
  • maintain data flow when streamgaging equipment is damaged.

RDG Design:

Designs and use of RDGs vary according to the environment where they are installed.

image of a USGS RDG

Solar panels and batteries are used in most cases to provide power.

image of a USGS RDG

Data transmission is most frequently done through satellite-based radio networks.

image of a USGS RDG

Various brackets have been designed to mount RDG's to stream banks and bridges.

image of a USGS RDG

Different types of weather stations may also be mounted to capture environmental data along with the stream data.

image of USGS backup RDG

image of USGS backup RDG

Additional information


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Page Last Modified: Tuesday, 21-Jun-2016 09:15:58 EDT