Lead Pipe Map

Lead pipes in Ohio

Ohio's 1,122 community water systems reported 267,041 lead and 55,432 galvanized-requiring-replacement service lines, plus 805,888 of unknown material. That ranks #2 among states for confirmed lead lines.

267,041Lead
55,432Galvanized, replace
805,888Unknown
265Systems with lead

8.8% of the service lines Ohio utilities reported are lead or galvanized requiring replacement, well above the national share of 3.1%. 22% are still unidentified (national: 21%). The largest counts are in Cleveland Public Water System (144,721), Cincinnati Public Water System (34,717), Columbus Public Water System (33,248). 24 systems haven't reported counts yet.

Since 2025 Q1, reported lead and galvanized lines in Ohio went from 324,073 to 322,473 (down 1,600). See which systems made the most progress.

Systems with confirmed lead lines (265)

Water systemLeadGalv.Unknown% leadPeople
Cleveland Public Water SystemCuyahoga County144,19352856,95433%1,308,955
Cincinnati Public Water SystemHamilton County34,673444515%800,000
Columbus Public Water SystemFranklin County25,1558,09365,26612%1,309,468
Dayton Public Water SystemMontgomery County8,588937015%141,407
City of ToledoLucas County3,0536,37433,5138.1%360,000
Akron City PWSSummit County1,6837,3895,49010%280,000
Sandusky CityErie County6,676501,83465%25,793
Middletown City PWSButler County4,143258021%51,229
Hamilton Public Water SystemButler County4,156117,23018%62,447
Lakewood City PWSCuyahoga County3,64539214929%50,942
Aqua Ohio - MarionMarion County3,3712286,57619%47,102
Springfield City PWSClark County4232,93116,70914%60,680
Youngstown City PWSMahoning County1,3081,45011,9185.2%130,530
Lima CityAllen County2,7131923,36710%65,619
Canton Public Water SystemStark County02,4534,2205.7%107,113
Newark City PWSLicking County02,4201,52113%49,934
Lancaster City PWSFairfield County02,3493,45015%40,400
Aqua Ohio - TiffinSeneca County2,0121524,06525%20,279
Greenville City PWSDarke County2,04665135%13,227
Delphos CityAllen County1,93824667%7,101
Warren City PWSTrumbull County1,7271296,8959.6%49,130
Fostoria CitySeneca County1,684414236%13,441
Alliance City PWSStark County1,6640017%22,232
Coshocton PWSCoshocton County01,4135,31321%14,319
Urbana City PWSChampaign County241,2681,59327%11,428
Aqua Ohio - Massillon PWSStark County01,11911,3872.8%95,636
Aqua Ohio - AshtabulaAshtabula County1958802,0788.0%32,342
Cuyahoga Falls City PWSSummit County1,014573,0676.2%51,114
East Liverpool CityColumbiana County6972194,93816%12,586
Elyria Water DepartmentLorain County4034384,1184.2%68,000
Shelby CityRichland County67614663521%9,453
Montgomery County Water Services 2 PWSMontgomery County6539812,1742.4%83,033
Sidney City PWSShelby County5891232,7727.5%20,614
Fremont CitySandusky County1725352,39311%18,319
Salem CityColumbiana County1690389.9%16,850
Piqua City PWSMiami County600697,8097.0%20,354
Bryan City PWSWilliams County593571,36117%8,729
Washington Court House PWSFayette County925472,44610%14,100
City of CambridgeGuernsey County514893,09310%10,520
Erie Co Perkins DistrictErie County580217.8%17,241
Wadsworth City PWSMedina County3112431,7895.9%24,356
Norwood City PWSHamilton County4151265,3158.8%19,870
Montgomery County Water Services 1 PWSMontgomery County37015616,6651.1%150,207
Franklin Public Water SystemWarren County1047943110%11,690
Aqua Ohio - StruthersMahoning County883889,6551.9%58,551
Circleville City PWSPickaway County114591,2138.6%13,927
Troy City PWSMiami County34581,5603.8%26,305
Wilmington City PWSClinton County1682852,7028.8%12,401
New Philadelphia City PWSTuscarawas County03947,2494.7%17,410
Bexley City PWSFranklin County892782,6798.4%14,250
City of SteubenvilleJefferson County2081559,7443.4%17,000
Xenia City PWSGreene County135233.2%29,000
St Marys CityAuglaize County13191,5086.7%9,356
Bellefontaine City PWSLogan County30004,6944.7%13,249
Orrville City PWSWayne County02841519.2%8,452
Reading City PWSHamilton County25909607.2%9,506
Hudson City PWSSummit County259008.4%8,385
Eaton Public Water SystemPreble County1151421,1327.2%8,400
Oregon CityLucas County185682,8793.3%19,950
Mount Vernon City PWSKnox County02424,2673.6%16,990
NawaMiami County02414542.3%29,974
Westerville City PWSFranklin County02381,0241.6%39,000
Lisbon VillageColumbiana County3320398515%2,821
Norwalk City PWSHuron County137772,4473.3%17,466
Delaware City PWSDelaware County4316912,0491.4%43,895
Village of McArthurVinton County01991825%1,920
Vermilion CityErie County01953753.8%10,594
Bucyrus CityCrawford County191613,9253.2%12,570
Wyoming City PWSHamilton County158156095.2%9,700
Barberton CitySummit County01708,8941.3%31,298
Niles City PWSTrumbull County106637,9981.8%21,961
Wauseon City PWSFulton County01644365.1%7,568
Wellington Village PWSLorain County137261008.2%4,802
Willard CityHuron County1026026.1%7,099
Painesville City PWSLake County01603341.4%31,728
Defiance CityDefiance County21569162.2%16,494
Girard CityTrumbull County14304,1152.3%13,263
West Milton Village PWSMiami County01428606.6%4,890
Leetonia Village PWSColumbiana County538825215%1,833
Lockland Village PWSHamilton County132692310%3,486
Hubbard City PWSTrumbull County46832,9793.4%8,362
New Concord PWSMuskingum County369231219%2,491
Ashland CityAshland County01252,4951.7%20,648
Columbiana City PWSColumbiana County121091,6264.6%6,727
Galion CityCrawford County01184,6202.3%10,453
Miamisburg City PWSMontgomery County411301.5%19,790
Bellaire Public Water SystemBelmont County27891,7925.6%4,278
North Baltimore VillageWood County842409.1%3,432
Crestline Village PWSCrawford County78261,5215.2%4,525
Gibsonburg Village PWSSandusky County70324869.9%2,506
Mount Sterling Village PWSMadison County010128513%2,059
Sylvania CityLucas County39311.4%21,618
Mid-Ohio WSD - Jackson Street WTPMadison County9302685.0%4,467
Upper Sandusky CityWyandot County0932183.3%6,698
Wapakoneta City PWSAuglaize County89402.2%11,000
Aqua Ohio - MasuryTrumbull County3877925.5%4,019
Bluffton VillageAllen County18906.1%4,082
Toronto PWSJefferson County29599884.1%5,676
Baltimore Village PWSFairfield County20667757.0%2,995
Belpre City PWSWashington County0852,8162.5%6,441

Showing the 100 with the most. All Ohio water systems

No confirmed lead, but unknown lines remain (199)

Water systemLeadGalv.Unknown% leadPeople
Lake County West Water SubdistrictLake County0022,5570%78,379
Mansfield CityRichland County0012,6760%51,000
Southwest Regional Water DistrictButler County0010,5290%42,856
Huber Heights Public Water SystemMontgomery County0010,4570%43,439
Portsmouth CityScioto County009,9420%40,475
Belmont Co. Sanitary District 3 PWSBelmont County009,7360%26,822
Lorain City PWSLorain County008,1590%64,152
Tate-Monroe Water Association PWSClermont County005,6060%24,092
Lake County East Water SubdistrictLake County004,2500%40,656
Buckeye Water District - Ohio RiverColumbiana County004,0860%10,300
Trenton City PWSButler County003,6400%13,012
Reynoldsburg City PWSFranklin County003,5570%37,847
Scioto Water Inc.-Rose HillScioto County003,5130%8,861
City of LoganHocking County003,4750%6,704
Sanitary District #4Franklin County003,4270%8,575
Scioto Co. Regional Water District #1Scioto County002,5430%13,820
Bellevue CityHuron County002,3540%8,236
Scioto Water Inc.-Sugar CampScioto County002,3210%6,458
Leading Creek Conservancy DistrictMeigs County002,2890%6,663
Greenfield Village PWSHighland County002,2220%4,600
Gahanna City PWSFranklin County002,1200%33,258
Aqua Ohio - BlacklickFranklin County001,8730%7,100
ByesvilleGuernsey County001,8160%5,104
Bethel Village PWSClermont County001,7940%2,620
Clark County Northridge PWSClark County001,7670%8,874
Cleves Village PWSHamilton County001,6650%6,000
Village of GranvilleLicking County001,6090%5,946
Shadyside Public Water SystemBelmont County001,5920%3,689
Newcomerstown Village PWSTuscarawas County001,5830%3,882
West Carrollton City PWSMontgomery County001,5820%8,361
Lexington VillageRichland County001,3710%4,825
Clark County Park Layne PWSClark County001,3620%4,221
Carey Village PWSWyandot County001,3550%3,674
Fairport Harbor Village PWSLake County001,1550%3,180
CrooksvillePerry County001,1490%2,534
Wellston City PWSJackson County001,1340%5,846
IrontonLawrence County001,1220%11,129
New Carlisle City PWSClark County001,0840%5,800
Village of Oak HillJackson County001,0140%3,067
Columbus Grove VillagePutnam County009250%2,137
Clark County Green Meadows 2 PWSClark County008850%3,008
Richwood Village PWSUnion County008810%2,200
Obetz Village PWSFranklin County008500%3,167
New Richmond Village PWSClermont County008210%2,698
Northern Ohio Rural Water-South DistrictHuron County008160%5,226
Piketon Village PWSPike County007600%2,181
Northern Perry Co.Water #1Perry County007410%1,706
Strasburg Village PWSTuscarawas County007260%2,610
West Unity VillageWilliams County007150%1,760
West Union Public Water SystemAdams County007010%3,170

Showing 50. See all

No lead or unknown lines reported (201)

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

Water systemLeadGalv.Unknown% leadPeople
Clermont Public Water SystemClermont County0000%133,059
Butler Co. Water District 2 PWSButler County0000%116,572
Warren CountyWarren County0000%99,000
Aqua Ohio - MentorLake County0000%74,500
Rural Lorain Co. Water ALorain County0000%73,125
Medina Co/Northwest PWSMedina County0000%46,324
Fairfield City PWSButler County0000%44,907
Western Water CompanyWarren County0000%39,508
Stow Public Water SystemSummit County0000%35,437
Ross County Water Co INCRoss County0000%35,345
Hecla Water AssociationLawrence County0000%34,942
Fairborn Public Water SystemGreene County0000%34,620
Brown County Rural WaterBrown County0000%32,090
Highland County Water Company, INC.Highland County0000%28,421
Wooster City PWSWayne County0000%26,618
Avon City PWSLorain County0000%24,060
Adams County Regional Water DistrictAdams County0000%21,810
Chillicothe City PWSRoss County0000%21,725
Muskingum County Water - SEMuskingum County0000%21,540
Gallia Co Rural Water AssociationGallia County0000%20,995
Lebanon CityWarren County0000%20,700
Ottawa County Regional Water DistrictOttawa County0000%20,428
Le-Ax Regional Water District PWSAthens County0000%19,311
Springboro PWSWarren County0000%19,263
Pickerington City PWSFairfield County0000%19,141
Fairfield County Utilities PWSFairfield County0000%19,113
Tallmadge City PWSSummit County0000%18,394
Northern Ohio Rural WaterHuron County0000%18,224
Licking Regional Water DistrictLicking County0000%17,818
Wright-Patterson AFB Area A PWSGreene County0000%16,551
Tuppers Plains/Chester Water DistrictMeigs County0000%16,087
Jackson Co. Water Company-WtpJackson County0000%15,984
Pike Water, Inc.-Plant PWSPike County0000%15,487
Streetsboro City PWSPortage County0000%15,105
Englewood City PWSMontgomery County0000%13,463
Dover City PWSTuscarawas County0000%13,253
Loveland City PWSClermont County0000%12,800
City of CelinaMercer County0000%11,682
Jefferson Water and Sewer District PWSFranklin County0000%11,294
Northwest Regional Water DistrictScioto County0000%11,059
Wright-Patterson AFB Area B PWSGreene County0000%11,034
Earnhart Hill Water District PWSPickaway County0000%10,738
City of Heath PWSLicking County0000%10,310
Trumbull Co. - Southeast PWSTrumbull County0000%9,931
Little Hocking Water Association, INC.Washington County0000%9,892
Bellbrook Water WorksGreene County0000%9,475
Canal Winchester City PWSFranklin County0000%9,286
Chillicothe Correctional InstitutionRoss County0000%9,000
Wright State UniversityGreene County0000%8,948
Portage County Water ResourcesPortage County0000%8,606

Showing the 50 largest. See all

Lead pipes in Ohio cities

All Ohio cities and towns · Lead pipes by county

Ohio lead pipe questions

How many lead pipes are in Ohio?

Ohio's community water systems reported 267,041 lead service lines and 55,432 galvanized lines that must be replaced, for 322,473 in total. Another 805,888 lines are of unknown material.

Which Ohio water systems have the most lead pipes?

Cleveland Public Water System (144,721), Cincinnati Public Water System (34,717), Columbus Public Water System (33,248). Counts are lead plus galvanized-requiring-replacement lines.

What share of Ohio service lines are lead?

8.8% of reported service lines in Ohio are lead or galvanized requiring replacement, well above the national figure of 3.1%. 22% are still unknown, compared with 21% nationally.

How do I find out if my Ohio 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.