Can the water bucket overflow if I'm not home? 23 March 2023 03:37 Updated No. All our models have a water float which is triggered to turn the dehumidifier off when the bucket is full. Related articles Why is my dehumidifier leaking water? Which dehumidifier is best for me? How do I set my dehumidifier target humidity? How long should I run my dehumidifier for? How do I set my dehumidifier target humidity?