What warning signs should I watch for around sink & drain?
Track changes in operation, sound, smell, moisture, temperature, movement, and visible condition around sink & drain; patterns matter more than one isolated observation.
What this means
Sink & drain covers drainage, faucet flow, leaks, traps, and supply. Relevant observations include Sink will not drain, Sink gurgles when dishwasher runs, Faucet has low pressure, Water leaks below the sink, No hot water at this faucet. The correct response depends on age, design, climate, usage, installation, recent work, and the exact manufacturer instructions; these observations narrow next steps but do not prove a failed part.
Safe checks
- Compare sink & drain with a similar unaffected area or a documented normal cycle.
- Note whether these known observations appear: Sink will not drain, Sink gurgles when dishwasher runs, Faucet has low pressure, Water leaks below the sink, No hot water at this faucet.
- Photograph and date visible changes from a safe position.
Stop and get help if
- Stop for sewage, rapidly spreading water, a bulging surface, or water near electricity.
- Do not force a seized valve or open a concealed supply or drain.
Which professional to call
Use a qualified plumber when the condition exceeds safe user access or the visible checks do not explain it.
Find the relevant tradeSource and method
This answer combines HomeSOS's structured triage with safety boundaries supported by a public source. It does not replace inspection.
Health Canada: Home safetyReviewed August 12, 2026