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Richmond VA > Fire Department > Emergency Management > Preparedness

Last Updated: 2010-01-12

Integrated Flood Observing and Warning System or IFLOWS


  • Substantially reduce the annual loss of life from flash floods;
  • Reduce property damage; and,
  • Reduce disruption of commerce and human activities.

IFLOWS gages are used at 2 locations throughout the City of Richmond. The stream gage consists of a pressure transducer placed in the stream, gage house stilling basin or reservoir that measures the changes in water depth. The depth changes are transmitted by VHF radio to a receiving computer system and the depth and time are recorded in the database. Usually rain gages and stream gages are co-located at the same site, using only one transmitter to send the gage data readings. The radio messages are received in real time at the City’s site and passed on to a computer, which processes the signal into useful information and posts it to the computer’s IFLOWS database.

Contact Information:

Fire Department
City of Richmond
201 E. Franklin St.
Richmond, VA
23219 USA
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Phone: (804)646-2500

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