August 26, 2026
Update on Recent Siren Activations in DU-COMM Service Area
DU-COMM has made several key findings regarding the unexpected sounding of the outdoor warning sirens on August 21, 2026. After reviewing all available data, no evidence has been found indicating that the incident resulted from human error or malicious intent. The August 21 event was unrelated to the activation during the early morning of August 18, which was caused by human error during a planned test of background systems.
Multiple systems work together to allow DU-COMM to control the outdoor warning sirens. Current evidence indicates one of the devices connecting those components malfunctioned and unintentionally triggered the sirens. DU-COMM and equipment vendors have enacted a plan to remove that device and simplify the system, eliminating that potential point of failure.
DU-COMM administration, staff, and telecommunicators remain committed to providing reliable service to the communities we serve. All related processes and technology are being reviewed, and corrective measures will be implemented as appropriate to address the conditions that contributed to the events on August 18 and 21, 2026.
DU-COMM will continue to monitor weather conditions and activate outdoor warning sirens when appropriate. If you hear an outdoor warning siren, take shelter and seek additional weather updates from sources such as a NOAA Weather Radio, the National Weather Service, or local news.
Welcome to DuPage Public Safety Communications,
proudly known as DU-COMM.
50
Years of Service!
About Us
Who Are We?
DU-COMM is an intergovernmental agency formed in 1975 to provide public safety communications services to Police, Fire, and EMS agencies.
Today, DU-COMM serves forty-five (45) agencies in DuPage County and is one of the largest consolidated 9-1-1 centers in Illinois.
Looking for a Career in 9-1-1?
DU-COMM may be the right place for your career if:
* You crave a fast-paced multi-tasking position that will test your skills and abilities
* You are looking for a rewarding career where you can help the community
* You are looking for an employer who provides stability, great pay and benefits, continuing training, challenges and opportunities
Great Pay & Benefits
No experience necessary; on-the-job, paid Training Academy
We are an Equal Opportunity Employer.
988 Suicide & Crisis Lifeline
988 is more than just an easy-to-remember number. It is a direct connection to compassionate, accessible care and support for anyone experiencing mental health-related distress, including family, friends, and/or caregivers.
If you are in crisis, please call or text 988, or go to 988lifeline.org/chat to access live chat. You will be connected with a trained crisis counselor who will listen to you, provide support and get you the help you need.
We invite you to explore the Crisis Recovery Center website to learn more about our services, facility, and mission. Center (CRC) website for more information.
Register for Smart 9-1-1.
No one plans to call 9-1-1, but now you can plan ahead. Sign up for Smart911 and create your own Safety Profile to give 9-1-1 valuable information about yourself, family members, your home, pets and even vehicles that will automatically display on the 9-1-1 call taker’s screen when you make an emergency call. This service is also a valuable tool to be used by Premise Alert Program users. For more information about Smart911, go to Register for Smart911.