Lead Pipe Map

Wisconsin · 19 community water systems

Lead pipes in Columbia County, WI

19 community water systems serving Columbia County reported 211 lead and 337 galvanized-requiring-replacement service lines, plus 4,730 of unknown material. The most are in Columbus Utilities.

3.7% of these systems' lines are lead or galvanized requiring replacement, lower than the Wisconsin average (11%) and about the same as the national average (3.1%).

211Lead
337Galvanized, replace
4,730Unknown
9,348Non-lead

Water systems serving Columbia County

Water systemLeadGalv.Unknown% leadPeople
Columbus UtilitiesColumbus1511908.3%5,173
Lodi WaterworksLodi53443398.0%3,146
Portage WaterworksPortage0861,6562.5%10,437
Cambria WaterworksCambria07211819%767
Wisconsin Dells WaterworksWisconsin Dells0701,3474.4%3,232
Randolph Water DeptRandolph42614.2%1,800
Pardeeville WaterworksPardeeville3207352.3%2,151
Crystal Lake RV Resort LLCLodi002970%725
Arlington WaterworksArlington00810%946
Pine Vista MHP 1Prairie Du Sac00480%60
Dells EstatesWisconsin Dells00280%30
Harmony Mobile ManorLodi00260%45
Inch Heights LLCPoynette00240%47
Capital Hill Mobile Home ParkPoynette00220%36
Wisconsin Academy Main CampusColumbus0080%115
Poynette WaterworksPoynette0000%2,520
Harmony Grove San DistLodi0000%1,950
Fall River WaterworksFall River0000%1,793
Rio WaterworksRio0000%1,095

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 Columbia County have lead pipes?

Yes. Water systems serving Columbia County reported 211 lead and 337 galvanized-requiring-replacement service lines, plus 4,730 of unknown material.

Which Columbia County water systems have the most lead lines?

Columbus Utilities (170), Lodi Waterworks (97), Portage Waterworks (86).

How do I check my home in Columbia 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.