5 signs your water heater is failing

Catch these early and you can avoid a cold shower — and a flooded basement.

Close-up of rust stains and a small puddle at the base of an older water heater

Most water heaters last 8 to 12 years, and they rarely fail without warning. Spot these signs early and you can plan a replacement instead of dealing with a flooded basement.

1. Rusty or cloudy hot water

If only the hot tap runs brown, the inside of the tank may be corroding. Once rust starts, a leak usually is not far behind.

2. Rumbling or popping sounds

Sediment settles at the bottom of the tank and hardens. When the burner heats it, you hear popping, and the heater works harder to do the same job.

3. Water around the base

Check the floor near the tank once a month. A small puddle can mean a loose fitting or a failing tank. Either way, call before it gets worse.

4. Hot water runs out fast

If showers go cold sooner than they used to, a heating element or dip tube may have failed, or sediment is taking up space in the tank.

5. It is more than 10 years old

The date is printed on the label. If your heater is past 10 years, budget for a replacement and ask us about tankless options.

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Brightline

Licensed, insured plumbing, electrical and HVAC service for Chicagoland homes since 2009. 24/7 emergency line.

© 2026 Brightline Home Services. All rights reserved.

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Brightline

Licensed, insured plumbing, electrical and HVAC service for Chicagoland homes since 2009. 24/7 emergency line.

© 2026 Brightline Home Services. All rights reserved.

Template by Wellspring Collective

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