Copper
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Color is same as a penny. Non-magnetic and produces a metallic ring noise when tapped. |
Galvanized Steel
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Color is a dull, silver-gray. Magnetic and easily scratched. Produces a metallic ring noise when tapped. Strong magnets will typically cling to galvanized pipes. |
Plastic
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Color is white or gray. Non-magnetic and produces a hollow noise when tapped. Rigid pipe that is joined to water supply piping with a clamp. |
Lead*
Replacement required.
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Color is a dull, silver-gray color that is easily scratched with a coin. Use a magnet – strong magnets will not cling to lead pipes. |
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Types of Water Pipes
Follow the guidance above or contact a licensed plumber to determine the material of your water pipes. To identify the material of your service pipe material on private property, check your household water service connection, typically located in the basement.
Homeowners should identify and replace old household pipes, particularly galvanized plumbing and sources of lead. The type of household plumbing can vary throughout your household.
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