Lead Pipe Map

Arizona · population 48,224

Lead pipes in Prescott, AZ

24,150 lines still unidentified

Most of Prescott (population 48,224) gets its water from City of Prescott. It reported no confirmed lead service lines, but 24,150 of 48,687 lines are still listed as unknown material, so lead hasn't been ruled out.

0% of City of Prescott's service lines are lead or galvanized requiring replacement, lower than the Arizona average (0.1%) and lower than the national average (3.1%).

0Lead
0Galvanized, replace
24,150Unknown material
24,537Non-lead

Latest lead test for City of Prescott (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 City of Prescott.

Water systems serving Prescott

Water systemLeadGalv.Unknown% lead
City of PrescottMain system0024,1500%
Diamond Valley Water DistrictAlso serves parts of the city002970%
Granite Oaks Water Users AssociationAlso serves parts of the city0000%
Highland Pine DwidAlso serves parts of the city002170%
Granite Mountain Water CompanyAlso serves parts of the city001100%
Acme Water -Dells WaterAlso serves parts of the city00800%
Jackson Acres DwidAlso serves parts of the city00130%

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 Prescott

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

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.

Choosing a lead-certified filter · Testing your water · Replacement cost

Nearby cities

Check another water system

Questions

Does Prescott, AZ have lead pipes?

None are confirmed, but City of Prescott still lists 24,150 service lines as unknown material.

Who supplies water to Prescott?

EPA's service area maps place most of Prescott in City of Prescott's service area (PWSID AZ0413045). Diamond Valley Water District, Granite Oaks Water Users Association, Highland Pine Dwid, Granite Mountain Water Company, Acme Water -Dells Water, Jackson Acres Dwid also serve parts of the city or nearby areas.

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

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