Lead Pipe Map

California · population 47,158

Lead pipes in Oakley, CA

No lead lines reported

Most of Oakley (population 47,158) gets its water from Diablo Water District, which reported 13,792 service lines and no lead, galvanized or unknown lines.

0% of Diablo Water District'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
13,792Non-lead

Latest lead test for Diablo Water District (Jan 2020–Dec 2022): 1.9 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 Diablo Water District.

Water systems serving Oakley

Water systemLeadGalv.Unknown% lead
Diablo Water DistrictMain system0000%
Contra Costa Water DistrictAlso serves parts of the city0000%

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 Oakley

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

Find the official inventory mapDiablo Water District 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 Oakley, CA have lead pipes?

Diablo Water District, which serves Oakley, reported no lead, galvanized or unknown service lines.

Who supplies water to Oakley?

EPA's service area maps place most of Oakley in Diablo Water District's service area (PWSID CA0710007). Contra Costa Water District also serves parts of the city or nearby areas.

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

Search your address on Diablo Water District'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 Oakley 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 Diablo Water District whether your street is scheduled and whether it covers the private side.