Lead Pipe Map

North Carolina · population 21,829

Lead pipes in Knightdale, NC

No lead lines reported

Most of Knightdale (population 21,829) gets its water from Rockbridge S/D, which reported 422 service lines and no lead, galvanized or unknown lines.

0% of Rockbridge S/D's service lines are lead or galvanized requiring replacement, lower than the North Carolina average (0.4%) and lower than the national average (3.1%).

0Lead
0Galvanized, replace
0Unknown material
422Non-lead

Latest lead test for Rockbridge S/D (Jan 2026–Dec 2028): 7.8 ppb at the 90th percentile, against a 15 ppb federal action level. Full test history.

Compliance record: EPA lists 1 Lead and Copper Rule violation since 2015 for Rockbridge S/D.

Water systems serving Knightdale

Water systemLeadGalv.Unknown% lead
Rockbridge S/DMain system0000%
Amber Acres North S/DAlso serves parts of the city00740%
Sandy Trail S/DAlso serves parts of the city00330%
Ashley Hills North S/DAlso serves parts of the city001020%
Barclay Downs S/DAlso serves parts of the city001630%
Ridgehaven S/DAlso serves parts of the city001580%
Ashley Hills S/DAlso serves parts of the city001460%
Kings Grant S/DAlso serves parts of the city00580%
Amber AcresAlso serves parts of the city00930%
Valley Woods MHPAlso serves parts of the city00870%
Cottonwood S/DAlso serves parts of the city00190%
Thornburg S/DAlso serves parts of the city00120%
Country Squire EstatesAlso serves parts of the city00320%
El Camino Acres S/DAlso serves parts of the city00170%
Pine Country EstatesAlso serves parts of the city00150%

Matched from EPA water system service area boundaries and the cities each system reports serving. Edges of the city may be served by a neighboring system; your water bill names your utility.

Check your address in Knightdale

The counts above cover the whole water system. To see whether your line is lead, look up your address on Rockbridge S/D's official inventory. Utilities had to make these public by October 16, 2024.

Find the official inventory mapRockbridge S/D details

No map yet? Do the 2-minute scratch and magnet test.

Protect your drinking water

If your line is lead, galvanized or unknown, use a filter certified to NSF/ANSI 53 for lead for drinking, cooking and baby formula, and use only cold water.

Pitcher filtersCheapest start. Pick one certified to NSF/ANSI 53 for lead, such as Brita Elite, PUR Plus or ZeroWater.See pitchers Faucet-mount filtersFilters straight from the tap. Look for NSF/ANSI 53 lead reduction on the box.See faucet filters Under-sink systemsBest for families. Carbon block (NSF 53) or reverse osmosis (NSF 58) units rated for lead.See under-sink

Choosing a lead-certified filter · Testing your water · Replacement cost

Nearby cities

Check another water system

Questions

Does Knightdale, NC have lead pipes?

Rockbridge S/D, which serves Knightdale, reported no lead, galvanized or unknown service lines.

Who supplies water to Knightdale?

EPA's service area maps place most of Knightdale in Rockbridge S/D's service area (PWSID NC4092073). Amber Acres North S/D, Sandy Trail S/D, Ashley Hills North S/D, Barclay Downs S/D, Ridgehaven S/D, Ashley Hills S/D, Kings Grant S/D, Amber Acres, Valley Woods MHP, Cottonwood S/D, Thornburg S/D, Country Squire Estates, El Camino Acres S/D, Pine Country Estates also serve parts of the city or nearby areas.

How do I check whether my Knightdale home has a lead service line?

Search your address on Rockbridge S/D's service line inventory map. You can also scratch the pipe where water enters your home: lead is soft, dull gray, scratches to shiny silver and doesn't attract a magnet.

When will lead pipes in Knightdale be replaced?

EPA's Lead and Copper Rule Improvements require most systems to replace lead and galvanized-requiring-replacement lines by December 31, 2037. Ask Rockbridge S/D whether your street is scheduled and whether it covers the private side.