Minnesota · population 30,167
Lead pipes in Chaska, MN
1,169 lines still unidentified
Most of Chaska (population 30,167) gets its water from Chaska. It reported no confirmed lead service lines, but 1,169 of 8,098 lines are still listed as unknown material, so lead hasn't been ruled out.
0% of Chaska's service lines are lead or galvanized requiring replacement, lower than the Minnesota average (5.7%) and lower than the national average (3.1%).
- Lead 0%
- Galvanized (replace) 0%
- Unknown 14%
- Non-lead 86%
Latest lead test for Chaska (Jan 2023–Dec 2025): 6 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 Chaska.
Water systems serving Chaska
| Water system | Lead | Galv. | Unknown | % lead |
|---|---|---|---|---|
| ChaskaMain system | 0 | 0 | 1,169 | 0% |
| ChanhassenServes nearby areas | 0 | 0 | 121 | 0% |
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 Chaska
The counts above cover the whole water system. To see whether your line is lead, look up your address on Chaska'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
- Chanhassen121 unknown
- Carver1 lead + galv. lines
- Victoria3 lead + galv. lines
- Shorewoodno lead reported
- Excelsior28 lead + galv. lines
- Tonka Bayno lead reported
- Eden Prairie1 lead + galv. lines
- Spring Park3 lead + galv. lines
Check another water system
Questions
Does Chaska, MN have lead pipes?
None are confirmed, but Chaska still lists 1,169 service lines as unknown material.
Who supplies water to Chaska?
EPA's service area maps place most of Chaska in Chaska's service area (PWSID MN1100002). Chanhassen also serves parts of the city or nearby areas.
How do I check whether my Chaska home has a lead service line?
Search your address on Chaska'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 Chaska 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 Chaska whether your street is scheduled and whether it covers the private side.