City Cast DC logo
Display ad for Primary and Special Elections; June 16, 2026

How to Test Your Water for Lead

Posted on June 12, 2023   |   Updated on September 30, 2025
Kaela Cote-Stemmermann

Kaela Cote-Stemmermann

D.C.’s got a pipe problem. (Wirestock/Getty Images)

D.C.’s got a pipe problem. (Wirestock/Getty Images)

D.C. ranks in the top 10 cities for lead pipes. The most recent estimates show there are 42,000 lead service lines in the District (the line between the water main and your house).

“D.C. has a history of serious lead-in-water issues,” said environmental reporter Kayla Benjamin. “Activists say there's no such thing as a safe lead pipe, even if the water is treated.” Even traces of lead can harm kids and pregnant people. It’s particularly bad in D.C.’s older neighborhoods and buildings.

How To Know If There’s Lead In Your Water

First, search your address on DC Water’s Service Map. It shows if your home might have a lead service line, but it’s not conclusive.

If you’re still unsure, DC Water offers annual free lead test kits for residential and commercial customers. However, Benjamin warns these “might not actually capture if there's lead in your water because lead can flake off. If there's no lead in your water one day, it doesn't necessarily mean that there's no lead in your water another day.”

DC Water also offers a guide on how to tell if your service line might be lead. If it’s not magnetic, and you can scratch it with a coin, it’s probably lead.

DC Water Service Information Map. (DC Water)

DC Water Service Information Map. (DC Water)

What Do I Do If It Is Lead?

“The most important thing to do,” says Benjamin, “is get a filter that is certified by the National Sanitation Foundation to meet ‘standard 53,’” which means it’s designed to reduce specific health-related contaminants like lead. And before you Google it, yes, a Brita Filter qualifies.

If you want to replace your private lead service line, the District will pay for 50% to 100% of private-side costs depending on your household income.

Is Anything Else Being Done?

D.C. Council is considering a mandate that would replace all lead pipes free-of-charge for residents. “We really have a moment to address this problem. But people have to say, ‘Hey, this matters to me’, and talk to their local leaders.” said Benjamin.

Listen to the full City Cast DC episode for more on what’s being done to fix D.C.’s lead problem.

And share your experiences with us too 💌

Share article

Hey DC

Get smart about D.C. with our news roundup and analysis.

Can't subscribe? Turn off your ad blocker and try again.
Display ad for Primary and Special Elections; June 16, 2026

The latest in DC

Local NewsMay 29

Is Everyone Dropping Out of Trump’s Great American State Fair Concerts?

Vanilla Ice is still in.

Martina McBride performs onstage in October 2025 in Nashville, Tennessee. McBride was one of the artists who dropped out of the Great American State Fair. (Photo by Jason Kempin/Getty Images)
Local NewsMay 29

Trump’s Name Must be Removed from Kennedy Center, Judge Orders

U.S. District Judge Christopher Cooper said the Kennedy Center’s board acted unlawfully by renaming the center without congressional appr...

The Donald J. Trump and John F. Kennedy Memorial Center for the Performing Arts on May 16, 2026. (Photo by Al Drago/Getty Images)
Local NewsMay 28

The Washington Star Is Suing The Star In a Very Confusing Media Battle

The plaintiffs say Washington is a one-star town.

Dovid Efune, publisher of the New York Sun, in New York City. (Photo by Jared Siskin/Patrick McMullan via Getty Images)
Local NewsMay 27

As D.C. Weighs Budget Cuts, Families Fear Loss of Youth Mental Health Support

Under the proposed budget, D.C.'s sole mental health crisis team for kids would be shuttered — part of a broader slate of cuts that would...

The John A. Wilson Building in Washington, D.C. Under the proposed budget, D.C.'s sole mental health crisis team for kids would be shuttered. (Photo by Jahi Chikwendiu/The Washington Post via Getty Images)
DC PoliticsMay 22

Transcript: City Cast DC's Interview with Janeese Lewis George

You know, I think a lot of the things that we had when I was a young person, are a lot of the things we need to just reinvest back in.

City Cast's Michael Schaffer interviews Janeese Lewis George on Wednesday, May 20. (City Cast DC)
Local NewsMay 22

Poll: Even After Everything, Washingtonians Are Optimistic

More than 50 percent of respondents to a City Cast poll said they were hopeful about the city’s future.

Rowhouses in the Bloomingdale neighborhood in Washington, District of Columbia, on September 14, 2020. (Photo by Bonnie Jo Mount/The Washington Post via Getty Images)
AnnouncementsMay 22

Alyssa Fowers Joins City Cast DC as Data Reporter

City Cast DC is undergoing an unprecedented expansion of its local newsroom, hiring a team of journalists to create original reporting ab...

DC PoliticsMay 22

Transcript: City Cast DC's Interview with Kenyan McDuffie

I'm wondering, looking at the city now, as a kid growing up as you did in a neighborhood like Stronghold… better place now?

City Cast's Michael Schaffer interviews Kenyan McDuffie on Monday, April 28. (City Cast DC)