July 22, 2014

2014 Flooding

Union County Public Works Department

(605) 356-2351


Funds Available for Households Affected by the Recent
Natural Disasters



SESD Inundation Map




Closed Union County Roads


As Roads are reopened notation will be made next to that road,

Keep in mind, the driving surface of these roads may be rough - use caution!


CR#04 (River Road)

Sink Hole area,  south of 303th Street to CR#14 (304th Street) and

Intersection of 306th, 307th Streets and CR#1G and

Stub End, CR#1G (309th Street) south to 308th Street and

309th Street south to 311th Street


CR#066/30/2014 – Open from N. 3rd & E. Dakota In Jefferson east to the intersection of CR#07 (483 Avenue)


CR#07- 6/24/2014 – Open 329th Street from 483 Avenue east to the Iowa border (Jefferson Bridge)

and from 329th Street south to CR#1B SD Hwy 105


CR#09 7/9/2014 – Open from CR#1B 4 mi. east on 325th Street, then south 3.5 mi. to CR#1B


CR#12 (299th Street) 6/26/2014 – Open Boyer Road to State #46


CR#13 (302nd Street) 6/21/2014 –  Open I29 Exit #42 east to Hawarden, IA


CR#17 from Sargeant Road east and north to State #48


CR#19 6/23/2014 – Open on 321st Street from State #11 east to 477 Avenue, then north to State #50 



Closed Richland Township Roads


Groethe Road 6/20/2014 – Open


Henke Road 6/30/2014 – Open


Hippy Road – from CR#02 (477 Avenue) west 1 mi. on 316th Street 6/20/2014 – Open


 Holden Road320th Street from State #11 east to 477th Avenue 6/23/2014 – Open


Maynard Road


Sawyer Roadfrom State #50 (478th Avenue)

 south to 321st Street, then west on 321st street to State #50 6/23/2014 Open


 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) 356-2351

Office Hours

Monday – Thursday

6:30 AM – 5:00 PM



Help with FEMA related questions, contact:

South Dakota Office of Emergency Management

Jason Bauder or Jack Dokken

(605) 773-3231


Flood Zones & Flood Insurance

Information regarding Flood Zones is available as listed below:
Within Municipalities,
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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 Dunes Website
City of North Sioux City Website


Last updated on July 18, 2014 8:48 am