How to Tell If You Have a Plumbing Leak: Visible Clues and Meter Checks
Leak clues include meter movement with fixtures off, stains, soft flooring, running toilets, pressure changes, odors, and unexplained water use.
Read guidePractical help for your home
Troubleshoot common leaks, clogs, toilets, faucets, pipes, dishwashers, water heaters, and water-quality problems. Learn what you can safely check and when it is time to call a plumber.
Choose the symptom that is closest to what you are seeing.
Start with clear answers for common household problems.
Explore homeowner guides by fixture, system, or task.
Find help for a running toilet, weak flush, refill noise, bowl-water changes, clogs, and toilet fit questions.
Faucet & SinkUse these guides for sink, faucet, aerator, disposer, and single-fixture drain symptoms.
Drains & PipesStart here for visible leaks, clogs, pipe-material questions, water-pressure symptoms, and whole-home plumbing clues.
Bathtub & ShowerBrowse bathtub, shower, showerhead, drain, surface-care, and fixture-fit questions.
DishwasherUse the exact model manual first for dishwasher drainage, odor, cleaning, door, and under-sink symptoms.
Water HeaterThese guides help you document hot-water symptoms and prepare useful questions for a qualified plumber or appliance professional.
MaintenancePlan seasonal checks, locate shutoffs, document symptoms, and decide when a plumbing problem is urgent.
Water QualityFind testing-first guidance for hard water, rainwater, filters, discolored water, water use, and fixture efficiency.
Popular starting points for common questions.
Leak clues include meter movement with fixtures off, stains, soft flooring, running toilets, pressure changes, odors, and unexplained water use.
Read guideLearn where main shutoffs are usually found, how to identify valve types, and when not to force a stuck or leaking valve.
Read guideStart with the dishwasher manual, filter, standing-water pattern, air gap, high loop, and disposer connection before touching hoses.
Read guideStart low-pressure troubleshooting with safe observations: one fixture vs whole house, hot vs cold, recent utility work, valve positions, filters, and leaks.
Read guideUse the tank water line, overflow tube, flapper seal, chain slack, handle return, and fill valve behavior to narrow a running-toilet symptom safely.
Read guideSerious plumbing emergencies involve flooding, sewage, gas, carbon monoxide, electrical risk, no usable water, or unsafe water-heater conditions.
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