Lead Pipe Map

California · population 146,271

Lead pipes in Visalia, CA

28,174 lines still unidentified

Most of Visalia (population 146,271) gets its water from CWS - Visalia. It reported no confirmed lead service lines, but 28,174 of 48,970 lines are still listed as unknown material, so lead hasn't been ruled out.

0% of CWS - Visalia'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
28,174Unknown material
20,796Non-lead

Latest lead test for CWS - Visalia (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 CWS - Visalia.

Water systems serving Visalia

Water systemLeadGalv.Unknown% lead
CWS - VisaliaMain system0028,1740%

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 Visalia

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

Find the official inventory mapCWS - Visalia 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 Visalia, CA have lead pipes?

None are confirmed, but CWS - Visalia still lists 28,174 service lines as unknown material.

Who supplies water to Visalia?

EPA's service area maps place most of Visalia in CWS - Visalia's service area (PWSID CA5410016).

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

Search your address on CWS - Visalia'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 Visalia 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 CWS - Visalia whether your street is scheduled and whether it covers the private side.