As a public service, the County of Gem will provide you with the following information upon request:

Whether a property is in or out of the Flood Hazard Area (FHA) as shown on the current Flood Insurance Rate Map (FIRM) of the County.
Additional flood insurance data for a site, such as the FIRM zone and the base flood elevation or depth, if shown on the FIRM.
We have a handout on the flood insurance purchase requirement that can help people who need a mortgage or loan for a property in the SFHA.
The County of Gem maintains elevation certificates for review.
The County of Gem updates the Flood Insurance Rate Maps as needed when revisions are made to the maps.
1978 Flood Insurance Study
Effective Streams
BUILDING IN THE FLOODPLAIN (Informational Notice, October 2016)

Floodplain Maps
Community Panel 215
Community Panel 250
Community Panel 255
Community Panel 260
Community Panel 265
Community Panel 270
Community Panel 280
Community Panel 285

If you would like to make an inquiry, please tell us the street address and, if available, the subdivision, lot and block number. We are open 8:00 am to 5:00 pm every weekday except Wednesdays, when our public hours are 9:00am to 5:00pm. Please feel free to call us at the Gem County Development Services Office 208-365-5144 or drop by the office at 109 S McKinley Avenue. We will respond in writing to your request within 10 working days.

*For more information on floodplains and the local river flows please visit the following websites:

Gem County Flood Control Ordinance (Title 13)

Local River Gauges (Payette River at Emmett)

Federal Emergency Management Agency (FEMA Home Page)

FloodSmart (FEMA Program)

Idaho Department of Water Resources (Home Page)