Lead Pipe Map

California · population 29,614

Lead pipes in Suisun, CA

1,149 lines still unidentified

Most of Suisun (population 29,614) gets its water from Suisun-Solano Water Authority. It reported no confirmed lead service lines, but 1,149 of 8,452 lines are still listed as unknown material, so lead hasn't been ruled out.

0% of Suisun-Solano Water Authority'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
1,149Unknown material
7,303Non-lead

Latest lead test for Suisun-Solano Water Authority (Jan 2024–Dec 2026): 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 Suisun-Solano Water Authority.

Water systems serving Suisun

Water systemLeadGalv.Unknown% lead
Suisun-Solano Water AuthorityMain system001,1490%
City of FairfieldServes nearby areas09100.3%

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 Suisun

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

Find the official inventory mapSuisun-Solano Water Authority 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 Suisun, CA have lead pipes?

None are confirmed, but Suisun-Solano Water Authority still lists 1,149 service lines as unknown material.

Who supplies water to Suisun?

EPA's service area maps place most of Suisun in Suisun-Solano Water Authority's service area (PWSID CA4810005). City of Fairfield also serves parts of the city or nearby areas.

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

Search your address on Suisun-Solano Water Authority'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 Suisun 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 Suisun-Solano Water Authority whether your street is scheduled and whether it covers the private side.