NEW BERLIN WATER UTILITY

Q: 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.

Q: 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.

Q: 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.

Q: 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.

Q: 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.

Reviewed byPlainWater Editorial, Drinking Water Quality Editorial Team · June 4, 2026

PWS ID: WI2680217 · NEW BERLIN, Wisconsin 53151

NEW BERLIN WATER UTILITY serves 27,899 people in NEW BERLIN, Wisconsin using Surface Water water sources. It has 675 recorded EPA violations, including 63 health-based violations. No PFAS contamination was detected in UCMR5 testing.

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. NEW BERLIN WATER UTILITY's 675 violations sit above the Wisconsin average. Statewide, 78 of 202 UCMR5-tested systems have reported PFAS detections (38.6%). 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

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 120 samples detected PFAS.

Contaminant	Date	Result	MRL	Status
4:2 FTS	8/9/2023	<0.003 µg/L	0.003 µg/L	Not Detected
PFTrDA	8/9/2023	<0.007 µg/L	0.007 µg/L	Not Detected
PFHpS	8/9/2023	<0.003 µg/L	0.003 µg/L	Not Detected
PFMBA	8/9/2023	<0.003 µg/L	0.003 µg/L	Not Detected
8:2 FTS	8/9/2023	<0.005 µg/L	0.005 µg/L	Not Detected
PFMPA	8/9/2023	<0.004 µg/L	0.004 µg/L	Not Detected
PFPeA	8/9/2023	<0.003 µg/L	0.003 µg/L	Not Detected
PFEESA	8/9/2023	<0.003 µg/L	0.003 µg/L	Not Detected
NFDHA	8/9/2023	<0.02 µg/L	0.02 µg/L	Not Detected
NEtFOSAA	8/9/2023	<0.005 µg/L	0.005 µg/L	Not Detected
PFTA	8/9/2023	<0.008 µg/L	0.008 µg/L	Not Detected
6:2 FTS	8/9/2023	<0.005 µg/L	0.005 µg/L	Not Detected
11Cl-PF3OUdS	8/9/2023	<0.005 µg/L	0.005 µg/L	Not Detected
PFPeS	8/9/2023	<0.004 µg/L	0.004 µg/L	Not Detected
NMeFOSAA	8/9/2023	<0.006 µg/L	0.006 µg/L	Not Detected
PFNA	8/9/2023	<0.004 µg/L	0.004 µg/L	Not Detected
ADONA	8/9/2023	<0.003 µg/L	0.003 µg/L	Not Detected
PFBA	8/9/2023	<0.005 µg/L	0.005 µg/L	Not Detected
PFBS	8/9/2023	<0.003 µg/L	0.003 µg/L	Not Detected
PFHxS	8/9/2023	<0.003 µg/L	0.003 µg/L	Not Detected
lithium	8/9/2023	<9 µg/L	9 µg/L	Not Detected
PFOS	8/9/2023	<0.004 µg/L	0.004 µg/L	Not Detected
PFOA	8/9/2023	<0.004 µg/L	0.004 µg/L	Not Detected
PFDA	8/9/2023	<0.003 µg/L	0.003 µg/L	Not Detected
PFDoA	8/9/2023	<0.003 µg/L	0.003 µg/L	Not Detected
PFHxA	8/9/2023	<0.003 µg/L	0.003 µg/L	Not Detected
PFUnA	8/9/2023	<0.002 µg/L	0.002 µg/L	Not Detected
9Cl-PF3ONS	8/9/2023	<0.002 µg/L	0.002 µg/L	Not Detected
HFPO-DA	8/9/2023	<0.005 µg/L	0.005 µg/L	Not Detected
PFHpA	8/9/2023	<0.003 µg/L	0.003 µg/L	Not Detected
PFTrDA	5/10/2023	<0.007 µg/L	0.007 µg/L	Not Detected
PFHpA	5/10/2023	<0.003 µg/L	0.003 µg/L	Not Detected
PFNA	5/10/2023	<0.004 µg/L	0.004 µg/L	Not Detected
PFHxS	5/10/2023	<0.003 µg/L	0.003 µg/L	Not Detected
PFOA	5/10/2023	<0.004 µg/L	0.004 µg/L	Not Detected
PFBS	5/10/2023	<0.003 µg/L	0.003 µg/L	Not Detected
lithium	5/10/2023	<9 µg/L	9 µg/L	Not Detected
NEtFOSAA	5/10/2023	<0.005 µg/L	0.005 µg/L	Not Detected
PFTA	5/10/2023	<0.008 µg/L	0.008 µg/L	Not Detected
PFDA	5/10/2023	<0.003 µg/L	0.003 µg/L	Not Detected
PFDoA	5/10/2023	<0.003 µg/L	0.003 µg/L	Not Detected
NMeFOSAA	5/10/2023	<0.006 µg/L	0.006 µg/L	Not Detected
PFEESA	5/10/2023	<0.003 µg/L	0.003 µg/L	Not Detected
PFOS	5/10/2023	<0.004 µg/L	0.004 µg/L	Not Detected
PFHxA	5/10/2023	<0.003 µg/L	0.003 µg/L	Not Detected
PFHpS	5/10/2023	<0.003 µg/L	0.003 µg/L	Not Detected
NFDHA	5/10/2023	<0.02 µg/L	0.02 µg/L	Not Detected
PFMBA	5/10/2023	<0.003 µg/L	0.003 µg/L	Not Detected
PFPeA	5/10/2023	<0.003 µg/L	0.003 µg/L	Not Detected
PFMPA	5/10/2023	<0.004 µg/L	0.004 µg/L	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
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.

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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.

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