State of Wisconsin

Wisconsin

Information on the various siren systems located within all 72 counties!

Dodge

Dodge County, Wisconsin's siren system consists of various sirens by Sentry, ACA, and Federal Signal sirens. Their system runs on a one-way radio system after a ring relay problem with the old activation system. The system is tested on Every Saturday of Every Month at noon.

Jefferson

Jefferson County's siren system consists of sirens produced by Federal Signal Corporation, Alerting Communicators of America,and a lone Decot Siren, which sounds daily at noon. The system is controlled by radio. The system is tested on the First Wednesday of each month at 11 AM.

Kenosha

The Kenosha County Siren system consists of Signal-Toned Alerting Communicators of America P-10s and P-15s, Two dual toned P-10s, ACA P-50s, and 2 ACA Banshees. The system is controlled by radio. The system is tested on the 3rd Saturday of every month at 10:30 AM, alternating between alert and attack.

Milwaukee

The Milwaukee County, Wisconsin, siren system consists of various models of sirens produced by Alerting Communicators of America and American Signal Corporation, with two inactive Federal Signal Model 2s.

Sirens on the system include: ACA Alertronic Al-8000s, ACA Allertor 125s, the last ACA Hurricane 130MKII in service, ACA P-10s, ACA P-15s, ACA P-50s, ASC T-112s, ASC T-121s, ASC T-128s, ASC T-135s, ASC i-FORCEs, and a converted BNCO Mobil Directo BN52 unit.

The siren system is tested on the Second Wednesday of every month at Noon. Signals tested are 1 Minute Alert, and 5 cycles of attack.

This system is scheduled for a complete replacement of all ACA-era sirens with ASC T-128s in 2024, with the possible exception of the Hurricane. Many sirens are spoken for and will be preserved by enthusiasts, so please do not bother the city about them.