Wisconsin · population 8,974
Lead pipes in Cottage Grove, WI
No lead lines reported
Most of Cottage Grove (population 8,974) gets its water from Cottage Grove Waterworks, which reported 2,599 service lines and no lead, galvanized or unknown lines.
0% of Cottage Grove Waterworks's service lines are lead or galvanized requiring replacement, lower than the Wisconsin average (11%) and lower than the national average (3.1%).
- Lead 0%
- Galvanized (replace) 0%
- Unknown 0%
- Non-lead 100%
Latest lead test for Cottage Grove Waterworks (Jun 2023–Sep 2023): 2.3 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 Cottage Grove Waterworks.
Water systems serving Cottage Grove
| Water system | Lead | Galv. | Unknown | % lead |
|---|---|---|---|---|
| Cottage Grove WaterworksMain system | 0 | 0 | 0 | 0% |
| Madison Water UtilityServes nearby areas | 2 | 0 | 0 | <0.1% |
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 Cottage Grove
The counts above cover the whole water system. To see whether your line is lead, look up your address on Cottage Grove 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
- McFarlandno lead reported
- Sun Prairieno lead reported
- Monona12 unknown
- Maple Bluffno lead reported
- Marshall3 lead + galv. lines
- Cambridge4 lead + galv. lines
- Windsorno lead reported
- Madison2 lead + galv. lines
Check another water system
Questions
Does Cottage Grove, WI have lead pipes?
Cottage Grove Waterworks, which serves Cottage Grove, reported no lead, galvanized or unknown service lines.
Who supplies water to Cottage Grove?
EPA's service area maps place most of Cottage Grove in Cottage Grove Waterworks's service area (PWSID WI1130218). Madison Water Utility also serves parts of the city or nearby areas.
How do I check whether my Cottage Grove home has a lead service line?
Search your address on Cottage Grove 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 Cottage Grove 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 Cottage Grove Waterworks whether your street is scheduled and whether it covers the private side.