January 18, 2019

2014 Flooding

Union County Highway Department

(605) 356-2351



Closed Richland Township Roads


Maynard Road


 Big Sioux River Hydrology Information (Predicted Flood Stages)


South Dakota State Road Closures

 Click on the road on the map, you will be provided with information



Union County Emergency Management

(605) 670-1548



Help with FEMA related questions, contact:

South Dakota Office of Emergency Management


(605) 773-3231


Flood Zones & Flood Insurance

Information regarding Flood Zones is available as listed below:
Within Municipalities,
contact your city office
Rural Union County, contact Dennis Henze (605) 356-3354
If you have questions regarding flood insurance for your property,
please contact your insurance agent.


Flood Preparation & Recovery
Dakota DunesWebsite
City of North Sioux City Website


Last updated on January 17, 2019 4:23 pm