plumbing troubleshooting
Discolored/brown water
Common symptoms: brown water; yellow water; cloudy water; rusty water
Stop and call a pro if:
- oil-like sheen
- chemical odor
Step-by-step diagnostic flow
Step 1
Do you see an oil-like sheen or smell a strong chemical odor?
Step 2
Does discoloration affect hot water, cold water, or both?
Step 3
How long has the discoloration persisted?
Possible outcomes
Stop and seek professional help immediately
high confidencePotential contamination risk.
Safe next steps
- Do not consume water until cleared
What to document for a pro
- Photos of water sample in clear glass
Hot water tank sediment possible
medium confidenceHot only discoloration often from heater sediment.
Safe next steps
- Photograph water in a clear glass (hot vs cold side)
- Note heater age (label)
What to document for a pro
- Water heater brand/model
- Photo of tank label
- Water sample photos
Possible mains disturbance
low confidenceCold-only discoloration can follow utility work.
Safe next steps
- Note if neighbors affected
- Record time started and if it clears after running water briefly
What to document for a pro
- Neighbor reports
- Utility work notices
- Timing logs
Temporary disturbance likely
low confidenceShort duration suggests transient sediment.
Safe next steps
- Document if it clears and returns
What to document for a pro
- Duration logs
- Water sample photos
Prolonged discoloration needs professional review
medium confidenceLong duration suggests persistent source.
Safe next steps
- Collect photos over time
- Note which fixtures are affected
What to document for a pro
- Municipal work notices if any
- Water sample timeline
- Fixture list
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