Lead Pipe Map

California · population 220,592

Lead pipes in Modesto, CA

No lead lines reported

Most of Modesto (population 220,592) gets its water from City of Modesto, which reported 70,382 service lines and no lead, galvanized or unknown lines.

0% of City of Modesto'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
70,382Non-lead

Latest lead test for City of Modesto (Jan 2025–Dec 2027): 12 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 City of Modesto.

Water systems serving Modesto

Water systemLeadGalv.Unknown% lead
City of ModestoMain system0000%
City of Modesto - SalidaAlso serves parts of the city0000%
City of WaterfordAlso serves parts of the city002,2400%
City of Modesto - del RioAlso serves parts of the city0000%
City of Modesto - South TurlockAlso serves parts of the city0000%
Waterford - HickmanAlso serves parts of the city001670%
Sunrise Village MHPServes nearby areas001350%

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 Modesto

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

Find the official inventory mapCity of Modesto 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 Modesto, CA have lead pipes?

City of Modesto, which serves Modesto, reported no lead, galvanized or unknown service lines.

Who supplies water to Modesto?

EPA's service area maps place most of Modesto in City of Modesto's service area (PWSID CA5010010). City of Modesto - Salida, City of Waterford, City of Modesto - del Rio, City of Modesto - South Turlock, Waterford - Hickman, Sunrise Village MHP also serve parts of the city or nearby areas.

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

Search your address on City of Modesto'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 Modesto 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 City of Modesto whether your street is scheduled and whether it covers the private side.