Lead Pipe Map

California · population 23,493

Lead pipes in Duarte, CA

No lead lines reported

Most of Duarte (population 23,493) gets its water from Cal-Am Water Company - Duarte, which reported 7,403 service lines and no lead, galvanized or unknown lines.

0% of Cal-Am Water Company - Duarte'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
7,403Non-lead

Latest lead test for Cal-Am Water Company - Duarte (Jan 2022–Dec 2024): 1 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 Cal-Am Water Company - Duarte.

Water systems serving Duarte

Water systemLeadGalv.Unknown% lead
Cal-Am Water Company - DuarteMain system0000%
Monrovia-City, Water Dept.Serves 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 Duarte

The counts above cover the whole water system. To see whether your line is lead, look up your address on Cal-Am Water Company - Duarte's official inventory. Utilities had to make these public by October 16, 2024.

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.

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

Nearby cities

Check another water system

Questions

Does Duarte, CA have lead pipes?

Cal-Am Water Company - Duarte, which serves Duarte, reported no lead, galvanized or unknown service lines.

Who supplies water to Duarte?

EPA's service area maps place most of Duarte in Cal-Am Water Company - Duarte's service area (PWSID CA1910186). Monrovia-City, Water Dept. also serves parts of the city or nearby areas.

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

Search your address on Cal-Am Water Company - Duarte'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 Duarte 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 Cal-Am Water Company - Duarte whether your street is scheduled and whether it covers the private side.