10 Best Water Detectors & Alarms 2026

As a water damage expert, we reviewed and scored many products in the Water Detectors & Alarms category, and we found products ranging from a 7.3 score up to an impressive 9.5 score. Our top-rated product, THE BASEMENT WATCHDOG Model BWD-HWA 110 dB Battery Operated Water Alarm from THE BASEMENT WATCHDOG, blew us away with its accuracy and reliability. This product is perfect for anyone who wants peace of mind knowing their home is protected against water damage. With its loud alarm, you'll be alerted immediately when water is detected, allowing you to take action and prevent costly damage. Don't let water damage ruin your home - invest in THE BASEMENT WATCHDOG today and protect your home from potential disaster.