Lead pipes in Arizona

Arizona's 830 community water systems reported 6 lead and 2,788 galvanized-requiring-replacement service lines, plus 705,871 of unknown material. That ranks #41 among states for confirmed lead lines.

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6Lead

2,788Galvanized, replace

705,871Unknown

25Systems with lead

• Lead <0.1%
• Galvanized (replace) 0.1%
• Unknown 27%
• Non-lead 73%

0.1% of the service lines Arizona utilities reported are lead or galvanized requiring replacement, well below the national share of 3.1%. 27% are still unidentified (national: 21%). The largest counts are in City of Flagstaff (1,326), City of Phoenix (506), City of Tucson (341). 37 systems haven't reported counts yet.

Since 2025 Q1, reported lead and galvanized lines in Arizona went from 2,186 to 2,794 (up 608). See which systems made the most progress.

Systems with confirmed lead lines (25)

Water system	Lead	Galv.	Unknown	% lead	People
City of FlagstaffFlagstaff	0	1,326	5,078	6.0%	79,796
City of PhoenixPhoenix	0	506	227,517	0.1%	1,695,000
City of TucsonTucson	0	341	140,797	0.1%	732,906
Town of QuartzsiteQuartzsite	0	229	9	23%	2,761
Town of Huachuca CityHuachuca City	1	165	97	19%	1,750
City of MesaMesa	0	74	22,430	<0.1%	466,000
Epcor - Sun CitySun City	0	30	0	0.1%	38,016
Whetstone Village MHPUnknown	0	27	0	100%	50
Desert Shores RV MHPTucson	0	24	102	19%	220
Mt Lemmon DwidMount Lemmon	0	19	4	5.5%	290
Arizona Water Co - White TanksWhite Tanks	0	9	1,641	0.1%	18,858
Town of WickenburgWickenburg	0	7	2,399	0.2%	6,581
City of TollesonTolleson	0	6	270	0.3%	9,300
Sage Valley MHPTusayan	0	6	0	15%	55
Howard Cantonment AreaYuma	5	0	16	1.1%	1,500
Country Club Acres Water INCWickenburg	0	5	0	5.0%	431
Florence Water CompanyFlorence	0	4	3,284	0.1%	14,593
Bella Vista City Water SystemSierra Vista	0	3	5,976	<0.1%	20,045
City of BuckeyeBuckeye	0	1	499	<0.1%	7,998
GW Ocotillo Water - Valley View AcresRyan Field	0	1	63	0.5%	458
Samalayuca Improvement AssocTucson	0	1	29	1.9%	150
La Costa Water Users AssocDouglas	0	1	15	6.3%	30
Retaw Water CompanyLakeside	0	1	10	4.2%	54
BIA Keams CanyonKeams Canyon	0	1	2	0.6%	925
Epcor - Paradise Valley/ScottsdaleParadise Valley	0	1	0	<0.1%	14,107

No confirmed lead, but unknown lines remain (422)

Water system	Lead	Galv.	Unknown	% lead	People
City of ChandlerChandler	0	0	26,497	0%	247,328
City of PrescottPrescott	0	0	24,150	0%	42,217
Bullhead City MohaveBullhead City	0	0	18,372	0%	36,330
City of YumaYuma	0	0	16,386	0%	103,264
Arizona Water Co - Pinal ValleyCasa Grande	0	0	12,746	0%	134,432
Kingman Municipal WaterKingman	0	0	11,153	0%	45,000
Town of GilbertGilbert	0	0	9,578	0%	247,600
City of DouglasDouglas	0	0	6,269	0%	16,656
Arizona Water Co - Apache JunctionApache Junction	0	0	6,169	0%	62,055
Metropolitan DwidTucson	0	0	5,497	0%	45,570
City of ScottsdaleScottsdale	0	0	5,100	0%	241,361
City of SaffordSafford	0	0	4,869	0%	20,600
Arizona Water Co - SedonaSedona	0	0	4,754	0%	12,104
City of El MirageEl Mirage	0	0	4,518	0%	39,884
Town of Prescott ValleyPrescott Valley	0	0	4,382	0%	57,048
Arizona Water Co - BisbeeBisbee	0	0	4,140	0%	8,590
Community WC of Green ValleyGreen Valley	0	0	4,021	0%	22,085
Pima UtilitiesChandler	0	0	3,582	0%	20,000
Arizona Water Co - LakesideShow Low	0	0	3,368	0%	12,191
Arizona Water Co - Sierra VistaSierra Vista	0	0	2,897	0%	9,233
City of WinslowWinslow	0	0	2,786	0%	9,789
Arizona Water Co - Miami ClaypoolMiami	0	0	2,721	0%	8,616
Arizona Water Co - PinewoodMunds Park	0	0	2,533	0%	8,115
City of TempeTempe	0	0	2,465	0%	165,000
City of AvondaleAvondale	0	0	2,294	0%	96,130
Pine Strawberry WidPine	0	0	2,257	0%	8,013
Golden Shores Water CompanyTopock	0	0	2,257	0%	3,970
Cottonwood Municipal Water Cw1Cottonwood	0	0	2,157	0%	11,288
City of PagePage	0	0	2,037	0%	7,445
Arizona Water Co - OracleOracle	0	0	2,031	0%	10,585
Lago del Oro Water CompanyCatalina	0	0	1,680	0%	18,132
City of EloyEloy	0	0	1,629	0%	8,999
City of WillcoxWillcox	0	0	1,576	0%	3,236
Arizona Water Co - San ManuelSan Manuel	0	0	1,488	0%	4,737
City of HolbrookHolbrook	0	0	1,472	0%	4,833
Grand Canyon National ParkGrand Canyon	0	0	1,458	0%	16,590
Town of EagarEagar	0	0	1,455	0%	4,590
Liberty Water LpscoLitchfield Park	0	0	1,453	0%	57,070
Kachina Village DwidFlagstaff	0	0	1,445	0%	3,500
Desert FoothillsBullhead City	0	0	1,410	0%	3,091
Town of ParkerParker	0	0	1,405	0%	3,360
City of St JohnsSaint Johns	0	0	1,396	0%	3,500
Arizona Water Co - RimrockRimrock	0	0	1,388	0%	3,532
Town of PaysonPayson	0	0	1,330	0%	17,682
Arizona Water Co - SuperiorSuperior	0	0	1,298	0%	4,232
Ponderosa DwidPinetop	0	0	1,295	0%	5,375
Doney Park WaterFlagstaff	0	0	1,223	0%	9,222
Colorado River Regional Water SystemParker	0	0	1,198	0%	3,476
Valley Pioneers Water Company INCKingman	0	0	1,127	0%	6,263
Morenci Water Elec Co MainMorenci	0	0	1,100	0%	4,078

Showing 50. See all

No lead or unknown lines reported (93)

Systems serving 1,000 or more people. Systems without counts on file are listed as 0.

Water system	Lead	Galv.	Unknown	% lead	People
City of GlendaleGlendale	0	0	0	0%	234,766
Town of Queen CreekQueen Creek	0	0	0	0%	95,502
Epcor - San TanJohnson Ranch	0	0	0	0%	87,435
GW Santa Cruz Water CoMaricopa	0	0	0	0%	84,000
City of Lake HavasuLake Havasu City	0	0	0	0%	54,610
Goodyear Water DepartmentGoodyear	0	0	0	0%	50,001
Oro Valley Water UtilityOro Valley	0	0	0	0%	42,316
Surprise City of - Mountain VistaSurprise	0	0	0	0%	40,007
City of San LuisSan Luis	0	0	0	0%	39,705
Bermuda Water Company INCBullhead City	0	0	0	0%	25,000
Desert OasisSurprise	0	0	0	0%	23,963
City of Buckeye Sonora - SundanceTown Of Buckeye-Sono	0	0	0	0%	21,405
Usaf Davis Monthan AFBTucson	0	0	0	0%	18,640
Sahuarita Water CompanySahuarita	0	0	0	0%	18,178
Vail Water CompanyTucson	0	0	0	0%	17,500
City of Show LowShow Low	0	0	0	0%	17,139
Flowing Wells Irrigation DistrictTucson	0	0	0	–	16,000
Apache Junction Water DistrictApache Junction	0	0	0	–	15,610
WMATUA Miner FlatWhiteriver	0	0	0	0%	15,570
City of SomertonSomerton	0	0	0	0%	14,197
Pueblo del Sol Water CompanySierra Vista	0	0	0	0%	12,804
Epcor - San Tan AnthemJohnson Ranch	0	0	0	0%	10,362
Festival RanchBuckeye	0	0	0	0%	10,313
City of Buckeye Tartesso Water SystemBuckeye	0	0	0	0%	10,123
Cca - Eloy ComplexEloy	0	0	0	0%	8,852
Green Valley DwidGreen Valley	0	0	0	0%	8,687
SCUA Upper Seven MileSan Carlos	0	0	0	0%	8,478
Usaf Luke Air Force BaseLitchfield Park	0	0	0	0%	8,440
Usmc Yuma Main SystemYuma	0	0	0	0%	8,353
Quail Creek Water CompanyGreen Valley	0	0	0	0%	6,812
Avra Water Coop INCTucson	0	0	0	0%	6,685
Rose Valley Water CompanyPhoenix	0	0	0	0%	6,202
Oro Valley Water CountrysideOro Valley	0	0	0	0%	6,031
Valley Utilities Water Company GlendaleGlendale	0	0	0	0%	6,003
Marana Municipal - Hartman VistasMarana	0	0	0	0%	5,408
Benson, City of Water SystemBenson	0	0	0	0%	5,355
Marana Municipal - Picture RocksMarana	0	0	0	0%	5,270
Marana Municipal - Airline LambertMarana	0	0	0	0%	4,948
Epcor - Tierra del RioPeoria	0	0	0	0%	4,868
Epcor - Lake HavasuLake Havasu City	0	0	0	0%	4,712
Adoc TucsonTucson	0	0	0	0%	4,500
GW Farmers Water Co - ContinentalGreen Valley	0	0	0	0%	4,475
Aspc Lewis Complex Water SystemBuckeye	0	0	0	0%	4,300
Metropolitan Dwid - HubTucson	0	0	0	0%	4,252
GW Santa Cruz Water Co - Red RockRed Rock	0	0	0	0%	4,248
Aspc YumaYuma	0	0	0	0%	4,197
Adoc Eyman UnitFlorence	0	0	0	0%	3,969
PolaccaFirst Mesa Consolidated Villages	0	0	0	–	3,890
Epcor - Willow Valley/King StreetMohave Valley	0	0	0	0%	3,566
Az State Prison - Geo Group - KingmanKingman	0	0	0	0%	3,500

Showing the 50 largest. See all

Lead pipes in Arizona cities

• Phoenix506 lead + galv. lines
• Tucsonno lead reported
• Mesa74 lead + galv. lines
• Gilbert9,578 unknown
• Chandler26,497 unknown
• Glendaleno lead reported
• Peoria17 unknown
• Tempe2,465 unknown
• Surprise71 unknown
• Goodyearno lead reported
• Buckeye1 lead + galv. lines
• Yuma16,386 unknown
• Avondale2,294 unknown
• Queen Creekno lead reported
• Flagstaff1,326 lead + galv. lines
• Maricopano lead reported
• Casa Grande12,746 unknown
• Marana398 unknown
• Lake Havasuno lead reported
• Prescott Valley4,382 unknown
• Oro Valleyno lead reported
• Prescott24,150 unknown
• Sierra Vista493 unknown
• Apache Junctionno lead reported
• Bullhead18,372 unknown
• Sahuaritano lead reported
• El Mirage4,518 unknown
• Kingman11,153 unknown
• Florence4 lead + galv. lines
• Fountain Hills7 unknown

All Arizona cities and towns · Lead pipes by county

Arizona lead pipe questions

How many lead pipes are in Arizona?

Arizona's community water systems reported 6 lead service lines and 2,788 galvanized lines that must be replaced, for 2,794 in total. Another 705,871 lines are of unknown material.

Which Arizona water systems have the most lead pipes?

City of Flagstaff (1,326), City of Phoenix (506), City of Tucson (341). Counts are lead plus galvanized-requiring-replacement lines.

What share of Arizona service lines are lead?

0.1% of reported service lines in Arizona are lead or galvanized requiring replacement, well below the national figure of 3.1%. 27% are still unknown, compared with 21% nationally.

How do I find out if my Arizona home has a lead service line?

Search for your water system or ZIP code above, then open your utility's address-level inventory map. You can also check the pipe where it enters your home with a scratch and magnet test.

Source: EPA SDWIS service line inventory, 2026 Q3. Smaller systems with no lead or unknown lines are omitted. See also national rankings.