Lead Pipe Map

North Carolina · population 4,165

Lead pipes in Swansboro, NC

17,422 lines still unidentified

Most of Swansboro (population 4,165) gets its water from Onslow WTR and Sewer Authority. It reported no confirmed lead service lines, but 17,422 of 59,068 lines are still listed as unknown material, so lead hasn't been ruled out.

0% of Onslow WTR and Sewer Authority'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
17,422Unknown material
41,646Non-lead

Latest lead test for Onslow WTR and Sewer Authority (Jan 2023–Dec 2025): not detected at the 90th percentile, against a 15 ppb federal action level. Full test history.

Compliance record: EPA lists no Lead and Copper Rule violations since 2015 for Onslow WTR and Sewer Authority.

Water systems serving Swansboro

Water systemLeadGalv.Unknown% lead
Onslow WTR and Sewer AuthorityMain system0017,4220%
West Carteret Water CorpServes nearby areas0000%

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 Swansboro

The counts above cover the whole water system. To see whether your line is lead, look up your address on Onslow WTR and Sewer Authority's official inventory. Utilities had to make these public by October 16, 2024.

Find the official inventory mapOnslow WTR and Sewer Authority 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 Swansboro, NC have lead pipes?

None are confirmed, but Onslow WTR and Sewer Authority still lists 17,422 service lines as unknown material.

Who supplies water to Swansboro?

EPA's service area maps place most of Swansboro in Onslow WTR and Sewer Authority's service area (PWSID NC0467035). West Carteret Water Corp also serves parts of the city or nearby areas.

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

Search your address on Onslow WTR and Sewer Authority'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 Swansboro 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 Onslow WTR and Sewer Authority whether your street is scheduled and whether it covers the private side.