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Community Water System · PWS WI2680217

New Berlin Water Utility

New Berlin, Wisconsin 53151 - drinking water served from surface water sources to 27,899 people, tracked in EPA SDWIS and UCMR5.

27,899
People served
675
EPA violations
63
Health-based
No PFAS
UCMR5 result

The verdict

EPA records 675 drinking-water violations at New Berlin Water Utility, 9% of them health-based - above the Wisconsin per-system average.

675
Total EPA violations on record
9%
Health-based (MCL / treatment failure)
27,899
People served by this system
0
PFAS compounds detected (UCMR5)

Water Quality Snapshot: New Berlin Water Utility

New Berlin Water Utility is a local-owned community water system that delivers drinking water to 27,899 residents in New Berlin, Wisconsin (Waukesha County) through 9,662 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 675 total violations for this system , of which 63 (9%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 602 monitoring and reporting violations are on file. The most recent violation on record dates to 2017.

The most frequently cited contaminant at this system is Radium-228, recorded in 35 violations (MR). This system was sampled under EPA's UCMR5 PFAS monitoring program and no PFAS compounds were detected above the minimum reporting level.

Across Wisconsin, EPA tracks 10,988 public water systems serving 5,131,439 people, with 285,161 cumulative violations and 58,688 health-based violations on record. About 72% of systems in the state carry at least one violation, and state-wide the average per system is 26 violations. Statewide, 78 of 202 UCMR5-tested systems have reported PFAS detections (38.6%).

New Berlin Water Utility's 675 violations sit above the Wisconsin average.

All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
27,899
Total Violations
675
Health-Based Violations
63
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
9,662
County
Waukesha
School/Daycare
No
MCL Violations
63
Monitoring Violations
602
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Radium-228 MR 35 2002
Gross Alpha, Excl. Radon and U MR 35 2002
Radium-226 MR 31 2002
Gross Alpha, Excl. Radon and U MCL 30 2000
Combined Uranium MR 28 2002
Combined Radium (-226 and -228) MCL 25 2000
Total Haloacetic Acids (HAA5) MR 20 2017
TTHM MR 20 2017
cis-1,2-Dichloroethylene MR 17 2004
1,2,4-Trichlorobenzene MR 17 2004
trans-1,2-Dichloroethylene MR 17 2004
1,1,1-Trichloroethane MR 17 2004
Tetrachloroethylene MR 17 2004
1,1,2-Trichloroethane MR 17 2004
1,2-Dichloropropane MR 17 2004
Ethylbenzene MR 17 2004
o-Dichlorobenzene MR 17 2004
1,1-Dichloroethylene MR 17 2004
Vinyl chloride MR 17 2004
p-Dichlorobenzene MR 17 2004
DICHLOROMETHANE MR 17 2004
Toluene MR 17 2004
Carbon tetrachloride MR 17 2004
1,2-Dichloroethane MR 17 2004
Trichloroethylene MR 17 2004
CHLOROBENZENE MR 17 2004
Xylenes, Total MR 17 2004
Styrene MR 17 2004
Benzene MR 17 2004
Coliform (TCR) MR 15 2006

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 116 samples detected PFAS.

Contaminant Date Result MRL Status
4:2 FTS 8/9/2023 <3.00 ppt 3.00 ppt Not Detected
PFTrDA 8/9/2023 <7.00 ppt 7.00 ppt Not Detected
PFHpS 8/9/2023 <3.00 ppt 3.00 ppt Not Detected
PFMBA 8/9/2023 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 8/9/2023 <5.00 ppt 5.00 ppt Not Detected
PFMPA 8/9/2023 <4.00 ppt 4.00 ppt Not Detected
PFPeA 8/9/2023 <3.00 ppt 3.00 ppt Not Detected
PFEESA 8/9/2023 <3.00 ppt 3.00 ppt Not Detected
NFDHA 8/9/2023 <20.00 ppt 20.00 ppt Not Detected
NEtFOSAA 8/9/2023 <5.00 ppt 5.00 ppt Not Detected
PFTA 8/9/2023 <8.00 ppt 8.00 ppt Not Detected
6:2 FTS 8/9/2023 <5.00 ppt 5.00 ppt Not Detected
11Cl-PF3OUdS 8/9/2023 <5.00 ppt 5.00 ppt Not Detected
PFPeS 8/9/2023 <4.00 ppt 4.00 ppt Not Detected
NMeFOSAA 8/9/2023 <6.00 ppt 6.00 ppt Not Detected
PFNA 8/9/2023 <4.00 ppt 4.00 ppt Not Detected
ADONA 8/9/2023 <3.00 ppt 3.00 ppt Not Detected
PFBA 8/9/2023 <5.00 ppt 5.00 ppt Not Detected
PFBS 8/9/2023 <3.00 ppt 3.00 ppt Not Detected
PFHxS 8/9/2023 <3.00 ppt 3.00 ppt Not Detected
PFOS 8/9/2023 <4.00 ppt 4.00 ppt Not Detected
PFOA 8/9/2023 <4.00 ppt 4.00 ppt Not Detected
PFDA 8/9/2023 <3.00 ppt 3.00 ppt Not Detected
PFDoA 8/9/2023 <3.00 ppt 3.00 ppt Not Detected
PFHxA 8/9/2023 <3.00 ppt 3.00 ppt Not Detected
PFUnA 8/9/2023 <2.00 ppt 2.00 ppt Not Detected
9Cl-PF3ONS 8/9/2023 <2.00 ppt 2.00 ppt Not Detected
HFPO-DA 8/9/2023 <5.00 ppt 5.00 ppt Not Detected
PFHpA 8/9/2023 <3.00 ppt 3.00 ppt Not Detected
PFTrDA 5/10/2023 <7.00 ppt 7.00 ppt Not Detected
PFHpA 5/10/2023 <3.00 ppt 3.00 ppt Not Detected
PFNA 5/10/2023 <4.00 ppt 4.00 ppt Not Detected
PFHxS 5/10/2023 <3.00 ppt 3.00 ppt Not Detected
PFOA 5/10/2023 <4.00 ppt 4.00 ppt Not Detected
PFBS 5/10/2023 <3.00 ppt 3.00 ppt Not Detected
NEtFOSAA 5/10/2023 <5.00 ppt 5.00 ppt Not Detected
PFTA 5/10/2023 <8.00 ppt 8.00 ppt Not Detected
PFDA 5/10/2023 <3.00 ppt 3.00 ppt Not Detected
PFDoA 5/10/2023 <3.00 ppt 3.00 ppt Not Detected
NMeFOSAA 5/10/2023 <6.00 ppt 6.00 ppt Not Detected
PFEESA 5/10/2023 <3.00 ppt 3.00 ppt Not Detected
PFOS 5/10/2023 <4.00 ppt 4.00 ppt Not Detected
PFHxA 5/10/2023 <3.00 ppt 3.00 ppt Not Detected
PFHpS 5/10/2023 <3.00 ppt 3.00 ppt Not Detected
NFDHA 5/10/2023 <20.00 ppt 20.00 ppt Not Detected
PFMBA 5/10/2023 <3.00 ppt 3.00 ppt Not Detected
PFPeA 5/10/2023 <3.00 ppt 3.00 ppt Not Detected
PFMPA 5/10/2023 <4.00 ppt 4.00 ppt Not Detected
8:2 FTS 5/10/2023 <5.00 ppt 5.00 ppt Not Detected
9Cl-PF3ONS 5/10/2023 <2.00 ppt 2.00 ppt Not Detected

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records, or to file a complaint, request a Consumer Confidence Report, or check current monitoring status, go directly to the federal and state regulators that enforce the Safe Drinking Water Act for New Berlin Water Utility.

Federal Source of Truth

EPA SDWIS, Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID WI2680217 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Wisconsin Drinking Water Authority

Wisconsin DNR, Drinking Water and Groundwater is the primacy agency that licenses and inspects New Berlin Water Utility under EPA-delegated authority.

Open WI regulator portal

Source: Wisconsin DNR, Drinking Water and Groundwater

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2017 Total Haloacetic Acids (HAA5) MR 20 SDWIS / WI2680217 / 2456
2017 TTHM MR 20 SDWIS / WI2680217 / 2950
2012 Public Notice Other 3 SDWIS / WI2680217 / 7500
2006 Coliform (TCR) MR 15 SDWIS / WI2680217 / 3100
2004 cis-1,2-Dichloroethylene MR 17 SDWIS / WI2680217 / 2380
2004 1,2,4-Trichlorobenzene MR 17 SDWIS / WI2680217 / 2378
2004 trans-1,2-Dichloroethylene MR 17 SDWIS / WI2680217 / 2979
2004 1,1,1-Trichloroethane MR 17 SDWIS / WI2680217 / 2981
2004 Tetrachloroethylene MR 17 SDWIS / WI2680217 / 2987
2004 1,1,2-Trichloroethane MR 17 SDWIS / WI2680217 / 2985
2004 1,2-Dichloropropane MR 17 SDWIS / WI2680217 / 2983
2004 Ethylbenzene MR 17 SDWIS / WI2680217 / 2992
2004 o-Dichlorobenzene MR 17 SDWIS / WI2680217 / 2968
2004 1,1-Dichloroethylene MR 17 SDWIS / WI2680217 / 2977
2004 Vinyl chloride MR 17 SDWIS / WI2680217 / 2976

How New Berlin Water Utility Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric New Berlin Water Utility Wisconsin avg Federal benchmark
Total violations 675 26 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 63 5.3 Indicates a contaminant exceeded a federal MCL
PFAS detection None 38.6% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 27,899 467 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 10,988 regulated public water systems in Wisconsin.

Federal MCL reference, Safe Drinking Water Act thresholds ▼
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is New Berlin Water Utility water safe to drink? ▼
New Berlin Water Utility (PWS ID: WI2680217) has 675 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 27,899 people using Surface Water sources.
How many people does New Berlin Water Utility serve? ▼
New Berlin Water Utility serves 27,899 people in New Berlin, Wisconsin. It is a Local-owned system using Surface Water water sources with 9,662 service connections.
What type of violations does New Berlin Water Utility have? ▼
New Berlin Water Utility has 675 total violations: 63 health-based violations (MCL exceedances or treatment failures), 602 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in New Berlin Water Utility water? ▼
No. New Berlin Water Utility was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does New Berlin Water Utility use? ▼
New Berlin Water Utility uses Surface Water as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from? ▼
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. PFAS data from EPA UCMR5 monitoring program (2023-2025). This data is provided for informational purposes only.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.