Why Is My Hot Water Rusty or Discolored?
You turn on the hot water and notice something strange.
Instead of clear water, it looks yellow, orange, brown or rusty.
Discolored hot water can have several causes, including problems involving the water heater or plumbing system.
What Causes Rusty Hot Water?
Corrosion
Corrosion can affect components inside a water heater.
An Aging Water Heater
Older equipment may develop corrosion or other problems over time.
Plumbing Corrosion
The source of discoloration isn't always the water heater itself.
A plumber can help determine where the problem originates.
Is Rusty Water a Sign My Water Heater Is Failing?
It can be a warning sign, but rusty water alone doesn't prove that the water heater needs replacement.
Other symptoms matter.
Pay attention if you also notice:
Leaking
Heavy corrosion
No hot water
Unusual noises
Reduced hot water
Recurring problems
What Should I Do If My Hot Water Is Brown?
Don't simply assume the water heater is failing.
A professional inspection can help determine whether the issue is related to the water heater or another part of the plumbing system.
FAQ
Why is only my hot water rusty?
If discoloration appears only with hot water, the water heater may be one possible source, although other plumbing issues can contribute.
Is rusty hot water dangerous?
Discolored water should be investigated rather than ignored. If you have concerns about water safety, contact an appropriate water-quality professional or your local water provider.
Does rusty water mean I need a new water heater?
Not necessarily. The source and condition of the equipment need to be evaluated.
Seeing Rusty Water From Your Hot Water?
Little Plumber Girl provides water heater inspection, repair and replacement throughout North County San Diego.
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