Lead Pipe Map

Wisconsin · population 1,959

Lead pipes in Colby, WI

3 lead or galvanized lines to replace

Most of Colby (population 1,959) gets its water from Colby Waterworks. That system reported 3 lead and 0 galvanized-requiring-replacement service lines out of 648, with 0 more of unknown material.

0.5% of Colby Waterworks's service lines are lead or galvanized requiring replacement, lower than the Wisconsin average (11%) and lower than the national average (3.1%).

3Lead
0Galvanized, replace
0Unknown material
645Non-lead

Latest lead test for Colby Waterworks (Jun 2023–Sep 2023): 1 ppb at the 90th percentile, against a 15 ppb federal action level. Full test history.

Compliance record: EPA lists no Lead and Copper Rule violations since 2015 for Colby Waterworks.

Water systems serving Colby

Water systemLeadGalv.Unknown% lead
Colby WaterworksMain system3000.5%
Abbotsford WaterworksServes nearby areas005070%

Matched from EPA water system service area boundaries and the cities each system reports serving. Edges of the city may be served by a neighboring system; your water bill names your utility.

Check your address in Colby

The counts above cover the whole water system. To see whether your line is lead, look up your address on Colby Waterworks's official inventory. Utilities had to make these public by October 16, 2024.

No map yet? Do the 2-minute scratch and magnet test.

Protect your drinking water

If your line is lead, galvanized or unknown, use a filter certified to NSF/ANSI 53 for lead for drinking, cooking and baby formula, and use only cold water.

Choosing a lead-certified filter · Testing your water · Replacement cost

Nearby cities

Check another water system

Questions

Does Colby, WI have lead pipes?

Yes. Colby Waterworks, which serves Colby, reported 3 lead and 0 galvanized-requiring-replacement service lines, plus 0 of unknown material.

Who supplies water to Colby?

EPA's service area maps place most of Colby in Colby Waterworks's service area (PWSID WI7370169). Abbotsford Waterworks also serves parts of the city or nearby areas.

How do I check whether my Colby home has a lead service line?

Search your address on Colby Waterworks's service line inventory map. You can also scratch the pipe where water enters your home: lead is soft, dull gray, scratches to shiny silver and doesn't attract a magnet.

When will lead pipes in Colby be replaced?

EPA's Lead and Copper Rule Improvements require most systems to replace lead and galvanized-requiring-replacement lines by December 31, 2037. Ask Colby Waterworks whether your street is scheduled and whether it covers the private side.