Lead Service Lines in Renton, Washington

What you need to know

The City of Renton water system serves about 108,091 people. Lead service lines are pipes made of lead that connect the water main in the street to individual homes. Water can pick up lead as it travels through these pipes, especially in older homes.

Renton's water utility has not yet published a complete inventory of lead service lines in their system. This means there's no public record showing which homes have lead pipes and which don't. Many water systems across the country are still in the early stages of mapping their lead service lines—it's a large and expensive undertaking.

Why an inventory matters

An inventory tells you whether your home has a lead service line. If you know you have one, you can take action: flush your pipes, use a water filter certified to remove lead, or plan for replacement. Without an inventory, homeowners in older neighborhoods have no way to know their exposure.

Washington State requires water utilities to create lead service line inventories and develop replacement plans. The federal Bipartisan Infrastructure Law (passed in 2021) is funding utilities nationwide to speed up this work.

What to do if you're concerned

If your home was built before 1986, there's a higher chance it has a lead service line. You can:

• Contact Renton City of directly to ask whether your specific address has been inventoried or if lead service lines are known in your neighborhood.
• Request a water test from your utility. Some offer free or low-cost testing kits.
• Use an interim filter certified to remove lead (look for NSF/ANSI Standard 53) while you wait for the full inventory.
• Have a plumber inspect your pipes if you want a definitive answer before the utility's inventory is complete.

If you have young children or are pregnant, the CDC recommends taking lead seriously. Contact your pediatrician or local health department for guidance specific to your situation.

Next steps for residents

• Call the City of Renton water utility to ask about lead service line inventory status for your address.
• If your home was built before 1986, consider interim steps like flushing and filtering.
• Bookmark this page or contact the utility again in 6–12 months to check for inventory updates.
• If you test your water, keep the results and share them with your pediatrician if relevant.

How do I know if my house has a lead service line in Renton?

The City of Renton has not yet published a complete public inventory. Contact the water utility directly with your address to ask if lead pipes are known in your area. Homes built before 1986 are at higher risk.

Is lead in Renton water dangerous?

Lead exposure can cause serious health effects, especially in young children. Visit the CDC website or talk to your pediatrician about specific health concerns. Using a certified lead-removal filter or flushing pipes can reduce exposure while you wait for an inventory.

What should I do while the inventory is being completed?

If your home is older, use a water filter certified for lead removal (NSF/ANSI 53), flush your pipes before drinking, and contact your utility to request a free water test. You can also have a plumber inspect your pipes directly.

When will Renton finish its lead service line inventory?

There is no published deadline. Contact the City of Renton water utility directly to ask about their timeline and funding status.