Is New Berlin, WI tap water safe?
Data: U.S. EPA · How we read the data · How we check it
Summary
No federal limits exceeded in EPA data for New Berlin Water Utility.
New Berlin Water Utility supplies New Berlin (27,899 people).
Water system
New Berlin Water Utility
27,899 people · Purchased surface water · EPA ID WI2680217
Buys treated water from Milwaukee Waterworks.
| PFAS | Highest average | Limit |
|---|---|---|
| PFOA Not detected | – | 4 ppt |
| PFOS Not detected | – | 4 ppt |
| PFHxS Not detected | – | 10 ppt |
| PFNA Not detected | – | 10 ppt |
| HFPO-DA (GenX) Not detected | – | 10 ppt |
ppt = parts per trillion. "Highest average" is the highest average at any of the system's entry points, the way EPA compares results with the limits.
Lead: 0.33 ppb at the 90th percentile (Sep 2023, and 9 in 10 homes sampled were at or below it) Below action level
Health-based violations since 2016: 0
Across Wisconsin, 18 of 196 water systems EPA tested had PFAS above a 2024 federal limit, and 4 systems were above the lead action level in results from the last five years. Wisconsin results.
New Berlin homes and lead pipes
Lead service lines and lead solder were allowed until 1986, so homes from before then are the ones to check. How to check your own line.
Housing: Census American Community Survey 2020–2024 5-year estimates for New Berlin city (tables B25034, B25003). Estimates for small places have a margin of error.
How nearby cities compare
| City | PFAS | Lead (90th pct.) |
|---|---|---|
| West Allis 6 mi West Allis Waterworks | None above limits | 2.4 ppb |
| Waukesha 6 mi Waukesha Water Utility | None above limits | 0.56 ppb |
| Brookfield 6 mi Brookfield Water Utility | None above limits | 1.5 ppb |
| Muskego 7 mi Muskego Water Utility | None above limits | 3.89 ppb |
| Wauwatosa 8 mi Wauwatosa Waterworks | None above limits | 8.4 ppb |
| Franklin 8 mi Franklin Water Utility | None above limits | 3 ppb |
New Berlin ZIP codes (2)
- 53146
- 53151
Questions
Is New Berlin tap water safe to drink?
New Berlin Water Utility has had no health-based violations since 2016. Utility data can't show lead from your own pipes: if your home was built before 1986, test your tap. Your utility's annual Consumer Confidence Report is the official summary.
Who supplies water in New Berlin, WI?
New Berlin Water Utility, which serves 27,899 people.
Does New Berlin tap water have PFAS?
None detected above EPA's reporting limits. New Berlin Water Utility had no PFAS detected in EPA's 2023–2025 testing. "Not detected" means below the reporting limit (about 2 to 20 ppt), not proven zero.
Do New Berlin homes have lead pipes?
Census estimates put 53% of New Berlin homes as built before 1980 (Wisconsin: 57%). Lead service lines and lead solder were allowed until 1986, so older homes are more likely to have them. New Berlin Water Utility's service line inventory says what your line is made of. The only way to know for your home is to check the line where it enters the house and test your tap.
Source: U.S. EPA drinking water records and PFAS testing (UCMR 5). How we read the data.