Lead Pipe Map

Wisconsin · 30 community water systems

Lead pipes in Waukesha County, WI

30 community water systems serving Waukesha County reported 733 lead and 40 galvanized-requiring-replacement service lines, plus 3,360 of unknown material. The most are in Oconomowoc Waterworks.

0.9% of these systems' lines are lead or galvanized requiring replacement, lower than the Wisconsin average (11%) and lower than the national average (3.1%).

733Lead
40Galvanized, replace
3,360Unknown
84,239Non-lead

Water systems serving Waukesha County

Water systemLeadGalv.Unknown% leadPeople
Oconomowoc WaterworksOconomowoc7155010%15,805
Dousman Water UtilityDousman1171652.5%2,350
Mukwonago WaterworksMukwonago0179050.5%8,190
Hartland WaterworksHartland10000.3%9,212
Menomonee Falls WW - Surface WaterMenomonee Falls400<0.1%23,867
Marian Heights SubdivisionElm Grove301062.7%400
Pewaukee Village WaterworksPewaukee01467<0.1%8,166
Prairie Village Water TrustNorth Prairie005470%2,100
Brookfield Water UtilityBrookfield004850%29,070
Lake Meadows Water TrustMuskego001920%750
Hale Park MeadowsMuskego001810%720
Pewaukee City Water and Sewer UtilityPewaukee001180%8,671
Squires GroveElm Grove00610%410
Parquelynn VillageNashotah00380%450
Nashotah HouseDelafield00260%350
Muskego Water UtilityMuskego00230%8,150
St Johns Northwestern AcademiesDelafield00120%340
Pioneer CentreMuskego00110%140
Lad LakeDousman0090%180
Willow Glen ApartmentsMuskego0050%80
Quail Hollow CondosDelafield0050%30
Schoenstatt Sisters of MaryWaukesha0030%80
Marlan Meadows Homeowners AssocMuskego0010%210
Waukesha Water UtilityWaukesha0000%70,718
New Berlin Water UtilityNew Berlin0000%27,899
Sussex Village Hall & Water UtilitySussex0000%11,750
Town of Brookfield San Dist 4Brookfield0000%6,419
Butler WaterworksButler0000%2,181
Eagle WaterworksEagle0000%1,950
Menomonee Falls WW - GroundwaterMenomonee Falls0000%1,796

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 Waukesha County have lead pipes?

Yes. Water systems serving Waukesha County reported 733 lead and 40 galvanized-requiring-replacement service lines, plus 3,360 of unknown material.

Which Waukesha County water systems have the most lead lines?

Oconomowoc Waterworks (720), Dousman Water Utility (18), Mukwonago Waterworks (17).

How do I check my home in Waukesha 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.