Lead Pipe Map

Washington · 92 community water systems

Lead pipes in King County, WA

92 community water systems serving King County reported 25 lead and 972 galvanized-requiring-replacement service lines, plus 47,500 of unknown material. The most are in North City Water District.

0.2% of these systems' lines are lead or galvanized requiring replacement, lower than the Washington average (0.3%) and lower than the national average (3.1%).

25Lead
972Galvanized, replace
47,500Unknown
565,788Non-lead

Water systems serving King County

Water systemLeadGalv.Unknown% leadPeople
North City Water DistrictKing County0459415.6%32,847
Soos Creek Water & Sewer DistrictKing County024601.3%74,172
King County Water District #20King County014101.3%48,469
City of KirklandKing County08200.6%69,243
Remolif AdditionKing County250050%76
Skykomish Water DeptKing County0181956.9%324
Algona Water DeptKing County088480.7%3,300
Lake Meridian Water DistrictKing County06179<0.1%24,231
King County Water District #125King County051,1940.1%21,904
City of Carnation Water SystemKing County037070.2%2,400
Maury Mutual Water CoKing County01771.0%233
Dockton Water AssociationKing County01380.3%992
City of DuvallKing County016<0.1%11,050
Grotto Water AssociationKing County0104.2%36
Sammamish Plateau Water & SewerKing County0017,2130%79,362
City of BellevueKing County009,7390%321,349
Skyway Water & SewerKing County003,4350%12,036
Enumclaw Water DepartmentKing County002,2600%23,276
Tukwila Water DepartmentKing County002,1100%36,298
Lakehaven Water and Sewer DistrictKing County002,0880%148,809
Northshore Utility DistrictKing County002,0010%99,789
Water District 19King County008380%5,335
Cherokee Bay Community Club INCKing County008170%2,400
Heights WaterKing County005900%2,051
MirrormontKing County005870%2,083
King County Water District 119King County004230%3,800
King County Water District No 90King County003230%20,100
Black Diamond Water DeptKing County002820%6,407
Covington Water DistrictKing County002420%56,172
Riverwood Park Community ClubKing County001150%109
Auburn Park Community LLCKing County00910%202
King County Water District #123King County00860%242
Foothills Water AssociationKing County00680%271
Twenty-Three 800 Tiger MountainKing County00570%129
CristalinaKing County00540%225
Four Creeks Ranch Water SystemKing County00530%150
Crestview West Water SystemKing County00490%147
Preston Industrial Park Water AssnKing County00470%930
Evergreen Water & Improvement AssnKing County00470%150
Cumberland Coop Water SystemKing County00440%210
Valley View Mobile Park LLCKing County00420%126
Orchard GroveKing County00420%86
Luana Water Assn.King County00400%71
Diamond Springs Water AssociationKing County00370%138
King County Water District #117King County00350%95
Trails EndKing County00340%117
Beulah Park CommunityKing County00300%106
Lake TuckKing County00280%143
Echo Glen Childrens CenterKing County00250%430
Newaukum Water SystemKing County00230%62
Snoqualmie Pass Utility DistrictKing County00220%5,832
Rocky Acres Water SystemKing County00200%61
Sunset Park Water CoKing County00190%21
Cedar Mountain Homeowners AssocKing County00180%106
Maplewood Addition Water CoopKing County00150%435
Sawyerwood Estates Water SystemKing County00150%46
Mazama WoodsKing County00150%45
Welchs Water AssociationKing County00140%69
Forest Grove HillsKing County00120%50
Farrell L. E.King County00120%32
Skyland Park Water AssociationKing County00110%47
Dawnbreaker Water AssociationKing County00100%168
Rumbolz Sunset Water SystemKing County00100%106
Walter Walker Water WorksKing County00100%42
Derbyshire Scenic AcresKing County0090%156
Green Acres Water AssociationKing County0070%44
Grandview CondominiumsKing County0010%679
Seattle Public UtilitiesKing County0000%1,161,961
Kent Water DepartmentKing County0000%166,421
City of Redmond Water SystemKing County0000%163,335
City of RentonKing County0000%108,091
City of AuburnKing County0000%107,655
Highline Water DistrictKing County0000%100,170
Woodinville Water DistrictKing County0000%66,699
Issaquah Water SystemKing County0000%43,584
City of Bothell WaterKing County0000%33,643
City of Mercer IslandKing County0000%31,057
Cedar River Water & Sewer DistrictKing County0000%28,671
King County Water District #49King County0000%23,492
Snoqualmie WaterKing County0000%20,222
Coal Creek Utility DistrictKing County0000%15,989
NE Sammamish Sewer & Water DistrictKing County0000%9,702
Union Hill Water Association INCKing County0000%8,720
City of North BendKing County0000%8,710
City of PacificKing County0000%7,925
Sallal Water Association INCKing County000–6,600
King County Water District #54King County0000%5,373
Ames Lake Water Assoc INCKing County000–3,224
Lake Forest Park Water DistrictKing County0000%3,171
Fall City Water Dist. #127King County000–2,987
Wilderness Rim AssociationKing County000–1,867
River Bend HOAKing County0000%1,603

Systems that also serve other counties are counted in full. Your water bill names your utility.

What to do if your line is lead or unknown

  1. Check the pipe where water enters your home.
  2. Use a filter certified to NSF/ANSI 53 for lead for drinking and cooking.
  3. Test your water, often free through the utility.
  4. Ask your utility about free or discounted replacement; most lines must be replaced by December 31, 2037.

Check another water system

Questions

Does King County have lead pipes?

Yes. Water systems serving King County reported 25 lead and 972 galvanized-requiring-replacement service lines, plus 47,500 of unknown material.

Which King County water systems have the most lead lines?

North City Water District (459), Soos Creek Water & Sewer District (246), King County Water District #20 (141).

How do I check my home in King County?

Find the water system named on your water bill in the table above, open its page and use its address-level inventory. You can also scratch-test the pipe where it enters your home.