To serve & Protect
As a law enforcement agency, called to serve the public, we have done our best to build trust with the people we serve.
We continue to be committed to our Vision Statement:
The Sioux County Sheriff’s Office will be dedicated to preserving a high quality of life and the enhancement of public safety. We will be committed to serve with professionalism, diligence, respect, integrity and concern for all people. We will foster an environment in which the sheriff’s office and the community work together as catalysts for positive community development.
Our men and women enter this profession with a sincere desire to preserve and respect the sanctity of life.
We pledge that we will continue to offer our hand to build community partnerships and maintain an environment of openness and respect for all whom we serve.
- Sheriff Dan Altena
Latest news & Announcements
On October 18-29, 2020, the United States Police Canine Association (USPCA) held its annual narcotic detection certification. This year, the certification was hosted by the Lyon County Sheriff’s Office. Sergeant Justin De Bruin and canine Sonny attended this year’s certification. The certification consists of two parts: vehicles and rooms with a total of four drug … Read more Sgt. Justin De Bruin and canine Sonny attend USPCA certificationRead More
Over the course of the last two months I have been asked numerous times what the status of our jail and patrol deputy division is; in light of the current pandemic. As of July 20, 2020, our jail and patrol deputy division have been operating back at normal status. When the pandemic became very real, … Read more Sheriff Altena gives update on jail and deputy operational statusRead More
Investigation update from Sheriff Altena The victim of the vehicle fire on October 2 has been identified as Rudolph Martinez, age 78, from Hawarden, IA. Upon further investigation the sheriff’s office was able to determine that the victim most likely had a medical incident, which caused him to leave the roadway he was traveling on. … Read more Sheriff Altena updates death investigation involving body found in burned vehicleRead More
On Friday, October 2, at 8:57 p.m., the Sioux County Sheriff’s Office investigated a report of a vehicle on fire that occurred one-quarter mile into a corn field, one and one-half miles north of Ireton, IA. Upon further investigation, responders discovered a 2007 Jeep Commander fully engulfed by fire. The body of a person was … Read more Deceased person discovered in burning vehicle near Ireton – October 2Read More
I was recently informed of some misleading and false information regarding how the Sheriff’s Office is handling the pandemic. Information like this can unnecessarily spread fear and distrust. Therefore I feel it’s important for the public to know how and why we are handling things as we are. This pandemic is something none of us … Read more Sheriff addresses misleading informationRead More
On Tuesday, September 22, at 10:16 p.m., the Sioux County Sheriff’s Office investigated a fatal motor vehicle accident that occurred at the intersection of 340th Street and Eagle Avenue, three miles south of Rock Valley, IA. Stephen Richter, age 61, of Rock Valley was driving a 1995 Freightliner straight truck westbound on 340th Street. Robert … Read more Fatal motor vehicle accident near Rock Valley – September 22Read More