Discolored water, odd taste or repeat pinholes: check it step by step

Safety look

Before any reading: is anything like this on site?

A gas smell at a heater, an appliance, gas piping or anywhere on site, including a rotten-egg smell that is not only in the water
Water reaching a panel, an outlet or powered equipment, or standing around a powered heater or pump
Sewage on surfaces or electrical parts, or something toxic or caustic that may be in the drinking water
Water running that cannot be stopped at a fixture stop, a branch valve or the main
A ceiling or floor sagging, bulging or holding water, or framing, a stack support or a base fitting that looks damaged near the failure
A relief valve or its pipe capped or plugged on a working heater or boiler
A carbon monoxide alarm, or exhaust spilling or soot at a gas or oil appliance near the failure
A strong rotten-egg smell filling a well pit, a basement or another closed space
Ground, paving or a slab sinking, washing out or undermined near a failed buried line, or an open trench or pit at the failure

Taken as what you could see, not as a finding that none of these are present.

What decides which causes can apply

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Which causes can apply depends on what has gone wrong, and a few complaints belong to a different problem.

What has gone wrong?

Nothing on this page is saved anywhere: the answers live in its address. General guidance for a qualified person, not a finding about any home. The person on site decides.

Discolored water, odd taste or repeat pinholes.

Safety look

What decides which causes can apply