Lead Pipe Map

California · population 11,846

Lead pipes in Los Alamitos, CA

No lead lines reported

Most of Los Alamitos (population 11,846) gets its water from Golden State WC - West Orange County, which reported 28,301 service lines and no lead, galvanized or unknown lines.

0% of Golden State WC - West Orange County's service lines are lead or galvanized requiring replacement, lower than the California average (0.1%) and lower than the national average (3.1%).

0Lead
0Galvanized, replace
0Unknown material
28,301Non-lead

Latest lead test for Golden State WC - West Orange County (Jan 2023–Dec 2025): 2.2 ppb 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 Golden State WC - West Orange County.

Water systems serving Los Alamitos

Water systemLeadGalv.Unknown% lead
Golden State WC - West Orange CountyMain system0000%
City of Seal BeachServes 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 Los Alamitos

The counts above cover the whole water system. To see whether your line is lead, look up your address on Golden State WC - West Orange County's official inventory. Utilities had to make these public by October 16, 2024.

Find the official inventory mapGolden State WC - West Orange County 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 Los Alamitos, CA have lead pipes?

Golden State WC - West Orange County, which serves Los Alamitos, reported no lead, galvanized or unknown service lines.

Who supplies water to Los Alamitos?

EPA's service area maps place most of Los Alamitos in Golden State WC - West Orange County's service area (PWSID CA3010022). City of Seal Beach also serves parts of the city or nearby areas.

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

Search your address on Golden State WC - West Orange County'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 Los Alamitos 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 Golden State WC - West Orange County whether your street is scheduled and whether it covers the private side.