Lead Pipe Map

California · population 4,855

Lead pipes in Sonora, CA

No lead lines reported

Most of Sonora (population 4,855) gets its water from Tud - Sonora/Jamestown Water System, which reported 5,092 service lines and no lead, galvanized or unknown lines.

0% of Tud - Sonora/Jamestown Water System'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
5,092Non-lead

Latest lead test for Tud - Sonora/Jamestown Water System (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 Tud - Sonora/Jamestown Water System.

Water systems serving Sonora

Water systemLeadGalv.Unknown% lead
Tud - Sonora/Jamestown Water SystemMain system0000%
Tud - Tuolumne Water SystemAlso serves parts of the city0000%
Tud - Columbia Water SystemServes 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 Sonora

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

Find the official inventory mapTud - Sonora/Jamestown Water System 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 Sonora, CA have lead pipes?

Tud - Sonora/Jamestown Water System, which serves Sonora, reported no lead, galvanized or unknown service lines.

Who supplies water to Sonora?

EPA's service area maps place most of Sonora in Tud - Sonora/Jamestown Water System's service area (PWSID CA5510001). Tud - Tuolumne Water System, Tud - Columbia Water System also serve parts of the city or nearby areas.

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

Search your address on Tud - Sonora/Jamestown Water System'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 Sonora 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 Tud - Sonora/Jamestown Water System whether your street is scheduled and whether it covers the private side.