Common Signs of Pipe Corrosion

WP Law - Thursday, September 01, 2016
pipe leaking

Even the highest quality metal piping system will corrode over time due to oxidation. Severe corrosion can lead to burst pipes, resulting in major property damage that costs thousands in repairs. The longer corrosion is left unchecked, the more costly it will be to repair. Keep an eye out for these warning signs and catch pipe corrosion early.

Discolored Water

Water that has been discolored by corrosion may be either obvious straight from the tap or it may leave behind stains in the sink, bathtub, or toilet tank. The most dramatically tinted water will be from the "first-draw" of the day. First-draw water is an important indicator of corrosion due to sitting in the pipes overnight.
Corroded copper pipes will leave blue-green stains, while galvanized iron/steel pipes will dye water the familiar reddish brown of rust.
Look for consistent changes over time. Occasional discoloration unrelated to corrosion can happen after a water supply is turned back on after lengthy disuse or when work is being done on municipal lines.

Strange Taste

Changes to the taste of your tap water are another sign of corrosion. Corroded copper pipes create a metallic taste, while high levels of lead produce a sweet taste. Cold first-draw water that is bitter but goes away later in the day also indicates pope corrosion.


While leaks can have many causes, they are probably the most obvious sign of corrosion. Low water pressure may be caused by a hidden leak. Frequent leaks especially may indicate the presence of "aggressive" corrosive water or that aging metal pipes may be due for replacement.

Frequent Clogs

Pipes that are easily clogged can also mean corrosion. Oxidation and mineral deposits can build up on the inside of pipes, narrowing them.

What can be done?

If you suspect pipe corrosion, consider contacting us at WP Law for more information. We can help to identify corrosion, determine its root cause, and repair any resulting damage.

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