Are old copper water pipes safe?
Christopher Snyder
Updated on February 18, 2026
Copper pipes have been the proven standard of reliability for over 50 years! They are not prone to leaks, are extremely durable, stay fitted tightly, have a long life span and can be recycled, are resistant to heat, and won't pollute your drinking water.
Is it safe to drink water from old copper pipes?
A low level of copper usually leaves a green/blue stain on taps, pipes, hand basins, showers or toilets but there is no bitter or metallic taste. This water is still safe to drink.Can copper water pipes cause health problems?
Most often, it enters a household water supply through dissolution of copper from plumbing fixtures, pipes and fittings. Too much copper can cause adverse health effects such as stomach cramps, nausea and diarrhea. The U.S. EPA has set the MCL for copper at 1.3 mg/L or ppm.Do old copper pipes need to be replaced?
There is no known health reason to remove copper pipes in good condition from your home. You should replace any copper pipe that is showing signs of damage or deterioration, regardless of its age. If your water is chronically acidic, copper piping might not be the best choice for your home.When should copper water pipes be replaced?
With proper installation, copper plumbing should last you at least 50 years, though it can last you upwards of 60 or 70 years if you maintain your pipes properly.How to Stop Copper Pipe Corrosion | Ask This Old House
How do I know if my copper pipes need replacing?
Here are seven signs that'll let you know it's time to call on a professional for pipe replacement.
- Cracks. There are some signs that you need pipe replacement that'll be difficult to catch. ...
- Leaks. ...
- Corrosion. ...
- Discolored Water. ...
- Decreased Water Pressure. ...
- Dangerous Materials. ...
- Old Age.