Lead Pipe Map

Arizona · population 77,539

Lead pipes in Flagstaff, AZ

1,326 lead or galvanized lines to replace

Most of Flagstaff (population 77,539) gets its water from City of Flagstaff. That system reported 0 lead and 1,326 galvanized-requiring-replacement service lines out of 21,947, with 5,078 more of unknown material.

6.0% of City of Flagstaff's service lines are lead or galvanized requiring replacement, higher than the Arizona average (0.1%) and higher than the national average (3.1%).

0Lead
1,326Galvanized, replace
5,078Unknown material
15,543Non-lead

Latest lead test for City of Flagstaff (Jan 2021–Dec 2023): 3.6 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 Flagstaff.

Water systems serving Flagstaff

Water systemLeadGalv.Unknown% lead
City of FlagstaffMain system01,3265,0786.0%
Doney Park WaterAlso serves parts of the city001,2230%
Kachina Village DwidAlso serves parts of the city001,4450%
Forest Highlands Water CompanyAlso serves parts of the city0000%
Ponderosa Utility CorpAlso serves parts of the city004500%
Hidden Hollow MHCAlso serves parts of the city001190%
Mountain Dell Water INCAlso serves parts of the city00790%
CS West Village Water CompanyAlso serves parts of the city00450%
Heckethorn Water CompanyAlso serves parts of the city00530%

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 Flagstaff

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

Find the official inventory mapCity of Flagstaff 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 Flagstaff, AZ have lead pipes?

Yes. City of Flagstaff, which serves Flagstaff, reported 0 lead and 1,326 galvanized-requiring-replacement service lines, plus 5,078 of unknown material.

Who supplies water to Flagstaff?

EPA's service area maps place most of Flagstaff in City of Flagstaff's service area (PWSID AZ0403008). Doney Park Water, Kachina Village Dwid, Forest Highlands Water Company, Ponderosa Utility Corp, Hidden Hollow MHC, Mountain Dell Water INC, CS West Village Water Company, Heckethorn Water Company also serve parts of the city or nearby areas.

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

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