Lead Pipe Map

Arizona · population 190,114

Lead pipes in Tempe, AZ

2,465 lines still unidentified

Most of Tempe (population 190,114) gets its water from City of Tempe. It reported no confirmed lead service lines, but 2,465 of 47,330 lines are still listed as unknown material, so lead hasn't been ruled out.

0% of City of Tempe'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
2,465Unknown material
44,865Non-lead

Latest lead test for City of Tempe (Jan 2022–Dec 2024): 4.4 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 Tempe.

Water systems serving Tempe

Water systemLeadGalv.Unknown% lead
City of TempeMain system002,4650%
City of PhoenixServes nearby areas0506227,5170.1%

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 Tempe

The counts above cover the whole water system. To see whether your line is lead, look up your address on City of Tempe'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 Tempe, AZ have lead pipes?

None are confirmed, but City of Tempe still lists 2,465 service lines as unknown material.

Who supplies water to Tempe?

EPA's service area maps place most of Tempe in City of Tempe's service area (PWSID AZ0407100). City of Phoenix also serves parts of the city or nearby areas.

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

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