Your City Has Until 2037 to Replace Every Lead Pipe. Here's What That Means for Your Tap.

If your house or your water utility's pipes date back before the late 1980s, there's a real chance a section of pipe between the street and your front door is made of lead -- and for the first time, there's a hard national deadline for getting rid of it. In October 2024, the EPA finalized a rule called the Lead and Copper Rule Improvements, or LCRI. What it actually requires matters more than the acronym does. A "service line" is the pipe that runs from the water main under the street to your home; it's usually owned partly by the utility and partly by you, split at the property line, which is a big part of why replacing it has historically been slow. The LCRI sets a firm national deadline: water systems have to replace every lead service line in the country, with the clock aiming for full replacement by 2037. The rule also lowers the lead "action level" -- the concentration that triggers mandatory corrective action -- from 15 parts per billion down to 10 ppb, a lower bar that catches more systems and requires them to respond faster, including notifying affected customers within 24 hours of a confirmed exceedance. Worth knowing before you assume this is settled: the rule is currently being challenged in court. The American Water Works Association and a coalition of utilities sued the EPA over the LCRI, arguing parts of it are too costly or too fast to meet, and that case is still active, with oral arguments expected this fall. The rule is in effect right now and utilities are working toward it, but the exact timeline could still shift depending on how the case goes. None of that changes what's under your own street today, which is the part you can actually do something about. You don't have to wait for your utility's inventory to find out what you have. Most utilities now publish an online lead service line map or inventory you can search by address -- check your water provider's website first, or call and ask them directly for your service line material in writing. If your home's water connection was newly installed after 1988, you're almost certainly in the clear, since lead pipe was banned for new installations that year. For anything older, you can check the visible section yourself, usually where the line enters your home near the main shutoff valve or water meter. Lead pipe is dull gray, soft enough that a coin scrapes a shiny silver mark into it, and a magnet will not stick to it. Copper is reddish and also non-magnetic. Galvanized steel looks similar to lead but a magnet grabs it immediately. A pipe with an odd bulge near the shutoff -- plumbers sometimes describe it as looking like a snake that swallowed an egg -- is another lead tell. If the visible section looks fine but your home is old enough to be worth double-checking, the buried portion under your yard or the street is still worth asking your utility about directly. If you find out you do have a lead line, or you'd rather not wait to find out, a filter certified to NSF/ANSI Standard 53 for lead reduction is the practical interim step -- that's the certification that specifically tests a filter's ability to reduce health-related contaminants like lead, as opposed to a cheaper filter certified only for taste and odor. It's not a substitute for replacement, but it works immediately, while your utility's timeline plays out over years. Running your cold water for a minute before drinking or cooking, especially first thing in the morning or after the tap's been unused for a while, is a free habit that helps in the meantime too -- water that's been sitting still in a lead line picks up more lead the longer it sits. The deadline is real, but it's a utility-level deadline measured in years, not something that changes what's coming out of your tap this week. Finding out what's actually in your own service line is the step that does. Primary references: EPA – Lead and Copper Rule Improvements NRDC – Welcoming the EPA's New Lead in Tap Water Rule: An Overview NRDC – American Water Works Association et al. v. EPA (LCRI court case tracker) NRDC – How to Find Out If Your Home Has Lead Service Lines