Lead Pipe Map

California · population 57,996

Lead pipes in Monterey Park, CA

12,178 lines still unidentified

Most of Monterey Park (population 57,996) gets its water from Monterey Park-City, Water Dept.. It reported no confirmed lead service lines, but 12,178 of 13,590 lines are still listed as unknown material, so lead hasn't been ruled out.

0% of Monterey Park-City, Water Dept.'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
12,178Unknown material
1,412Non-lead

Latest lead test for Monterey Park-City, Water Dept. (Jan 2022–Dec 2024): 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 Monterey Park-City, Water Dept..

Water systems serving Monterey Park

Water systemLeadGalv.Unknown% lead
Monterey Park-City, Water Dept.Main system0012,1780%
City of AlhambraServes 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 Monterey Park

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

Find the official inventory mapMonterey Park-City, Water Dept. 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 Monterey Park, CA have lead pipes?

None are confirmed, but Monterey Park-City, Water Dept. still lists 12,178 service lines as unknown material.

Who supplies water to Monterey Park?

EPA's service area maps place most of Monterey Park in Monterey Park-City, Water Dept.'s service area (PWSID CA1910092). City of Alhambra also serves parts of the city or nearby areas.

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

Search your address on Monterey Park-City, Water Dept.'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 Monterey Park 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 Monterey Park-City, Water Dept. whether your street is scheduled and whether it covers the private side.