Is Waukesha Tap Water Safe? 2026 Water Quality Report
Short answer: No measured result is above a legal limit; past health-based violations for Combined radium-226/228 and Gross alpha particles are on record. Waukesha Water Utility serves 70,718 residents.
WAUKESHA WATER UTILITY (EPA PWSID WI2680238) delivers surface water to 70,718 residents. This report reflects 29 individual PFAS result(s) from the source UCMR5 observations and the latest Lead & Copper Rule 90th-percentile result. Water hardness and disinfectant type are pending the utility's own annual report.
Each card names which Waukesha findings its current certification covers, and which it doesn't.
As an Amazon Associate, PurityMap earns from qualifying purchases. A product appears here only when a current certification record covers at least one identified concern; every concern stays listed. The retail offer is looked up afterwards and never changes which products appear or their order. Affiliate disclosure.
Under-Sink Filter
Aquasana Claryum 3-Stage Max Flow Under-Sink Filter (AQ-6300M)
✓Lead: eligible, evidence match
Not suitable for (5)
Treating every tap in the home
A whole-home hard-water or scale problem
All PFAS: its evidence covers only the compounds it names
Anyone who can't plumb, drill or hire an installer
PurityMap does not give a safe/unsafe verdict; it shows what the public records measured. For Waukesha, no regulated PFAS were detected in EPA's 2024 testing; the lead 90th-percentile result was 0.56 µg/L against the 15 µg/L action level; 2 health-based violations are on record (Combined radium-226/228 and Gross alpha particles). WAUKESHA WATER UTILITY (PWSID WI2680238) has a Purity Score of 85/100 (confidence: moderate), assessed at the water-system level and computed only from contaminants that were measured. Water can change in your own pipes, so a certified test is the only way to know what comes out of your tap.
Who provides tap water in Waukesha?
WAUKESHA WATER UTILITY (PWS ID WI2680238) is the public water system on record for Waukesha, Wisconsin, serving about 70,718 people. Confirm the utility on your water bill before acting on a specific finding.
Where does Waukesha get its drinking water?
Surface water (primary source of record in EPA SDWIS).
Are PFAS "forever chemicals" in Waukesha's water?
None of the 29 PFAS in EPA's UCMR 5 testing (2023-02-03 to 2023-08-15) was detected. "Not detected" means below the lab's reporting limit, not proven zero.
Is there lead in Waukesha's tap water?
WAUKESHA WATER UTILITY's most recent lead 90th-percentile result (2024) was 0.56 µg/L, below the 15 µg/L action level. That figure comes from sampled homes; lead usually enters from a building's own pipes and fixtures, so only a test at your tap tells you what you drink.
Has Waukesha's water system had violations?
The federal SDWIS record lists 2 health-based violations for WAUKESHA WATER UTILITY within about the last ten years: Combined radium-226/228 (2023) and Gross alpha particles (2023). The findings above show each one's status.
What does the latest Waukesha water report show?
PurityMap's current record for Waukesha holds 33 findings: 2 above a reference, 1 detected within the reference and 30 not detected. Each finding links to its dated public record; a parameter that was never monitored is shown as pending, not as a pass.
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Sources and dataAll 33 records and their sourcesEPA UCMR 5 · EPA SDWIS (Lead & Copper Rule) · EPA SDWIS violations+
Every value is the published result from the cited public record. A reporting limit is the lowest level the method could reliably quantify; a non-detect is not a guarantee of zero.
UCMR5 Analytical Results
UCMR5 Analytical Results: WAUKESHA WATER UTILITY (WI2680238)