Older Home Guide

Lead Pipes in Pre-1986 Triangle Homes

Federal law banned lead solder in residential plumbing in 1986. If your home predates that, your pipes may still contain it — and your utility's treatment can't fix what's inside your walls.

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1986
Year federal law banned lead solder
15 ppb
EPA action level for lead in water
95–99%
Lead removed by RO systems

Risk by Neighborhood

Older neighborhoods have higher concentrations of pre-1986 housing stock with legacy lead solder.

Higher Risk

Raleigh: Five Points, Hayes Barton, Boylan Heights, Mordecai, Cameron Park, ITB streets
Durham: Trinity Park, Old North Durham, Watts-Hillandale, Forest Hills, parts of Hope Valley
Chapel Hill: Northside, Pine Knolls, older Westwood blocks
Carrboro: North of Main Street, Lloyd-Broad area
Hillsborough: Entire historic district (some homes pre-1900)

Lower Risk

Post-2000 growth areas: Apex, Cary, Morrisville, Holly Springs, Wake Forest, Knightdale, Rolesville, Wendell

Understanding Lead Levels

A $40–60 first-draw lab test tells you exactly where you stand.

Below 5 ppb No concern
5–15 ppb Detectable, below EPA action level
Above 15 ppb EPA action level exceeded
Above 50 ppb Significant exposure — pipe replacement warranted

What Actually Removes Lead

Under-Sink Reverse Osmosis

Best Option
Cost
~$1,500 installed
Lead Removal
95–99%

Best balance of cost and protection for drinking and cooking water. NSF/ANSI 58 certified systems tested specifically for lead removal.

Certified Pitcher Filters

Cost
$30–$80 + filters
Lead Removal
95%+

NSF/ANSI 53 certified pitchers work, but require frequent cartridge replacement every 1–3 months. Not practical as a whole-home solution.

Whole-House Carbon Filter

Cost
$800–$2,000 installed
Lead Removal
Not effective

Carbon filtration does not reliably remove lead. Do not rely on a whole-home carbon filter alone if you have lead pipe concerns.

Whole-House Pipe Replacement

Cost
$8,000–$25,000
Lead Removal
100%

Eliminates the source entirely but is only warranted for confirmed high-level lead (50+ ppb). Most homeowners get better value from point-of-use RO first.

Common Questions

How do I know if my home has lead pipes or lead solder?

If your home was built before 1986, there's a meaningful chance it has lead solder at pipe joints. Homes built before the 1960s may have lead service lines from the street. The fastest way to know is a first-draw lead test from a certified lab — run your tap for 30 seconds, then draw a sample without running further. Tests cost approximately $40–60 and give you a definitive answer.

Doesn't my water utility remove lead before it reaches my house?

Yes and no. Triangle treatment plants finish water at 0.001–0.003 ppm (1–3 ppb), which is very low. But lead enters the water after it leaves the treatment plant — from your home's own pipes, solder joints, and fixtures. The utility controls what's in the supply line; you're responsible for what happens inside your walls.

Is there a safe level of lead in drinking water?

The EPA's action level is 15 ppb, but there is no established safe level of lead exposure — particularly for children and pregnant women. The EPA has proposed reducing the action level to 10 ppb. The CDC and EPA both state that "no level of lead in blood is safe for children."

Can running the tap before drinking actually help?

Yes, for a limited amount. Flushing 30–60 seconds clears water that's been sitting in contact with solder joints at your fixtures. It's a short-term mitigation measure, not a solution. It doesn't help if your home has a lead service line from the street.

What does an RO system actually do to lead?

Reverse osmosis forces water through a semi-permeable membrane with pores small enough to block lead ions. NSF/ANSI 58 certified RO systems achieve 95–99% lead reduction — dropping levels like 50 ppb down to below 0.5 ppb. This is the most effective and cost-practical solution for most Triangle homeowners with lead concerns.

Live in an Older Triangle Home?

We'll run a free in-home water assessment and show you what a point-of-use RO removes — including lead.

Schedule Free Water Test
Call (984) 206-3774