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Community Water System · PWS WI2650907

Geneva National Community Services

Lake Geneva, Wisconsin 53147 - drinking water served from groundwater sources to 2,250 people, tracked in EPA SDWIS and UCMR5.

2,250
People served
115
EPA violations
10
Health-based
Untested
UCMR5 result

The verdict

EPA records 115 drinking-water violations at Geneva National Community Services, 9% of them health-based - above the Wisconsin per-system average.

115
Total EPA violations on record
9%
Health-based (MCL / treatment failure)
2,250
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Geneva National Community Services

Geneva National Community Services is a private-owned community water system that delivers drinking water to 2,250 residents in Lake Geneva, Wisconsin (Walworth County) through 775 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 115 total violations for this system , of which 10 (9%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 101 monitoring and reporting violations are on file. The most recent violation on record dates to 2007.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 11 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

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%).

Geneva National Community Services's 115 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
2,250
Total Violations
115
Health-Based Violations
10
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
775
County
Walworth
School/Daycare
No
MCL Violations
10
Monitoring Violations
101
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 11 2006
Nitrate MR 10 1997
Nitrate-Nitrite MR 7 1997
Nitrite MR 7 1997
Barium MR 6 2000
Combined Radium (-226 and -228) MCL 5 2005
Gross Alpha, Excl. Radon and U MCL 5 2005
Public Notice Other 4 2005
Gross Alpha, Excl. Radon and U MR 4 2007
Combined Radium (-226 and -228) MR 4 2007
Radium-226 MR 4 2007
Radium-228 MR 4 2007
Thallium, Total MR 4 1997
Antimony, Total MR 4 1997
Nickel MR 4 1997
Chromium MR 4 1997
Beryllium, Total MR 4 1997
Fluoride MR 4 1997
Arsenic MR 4 1997
Mercury MR 4 1997
Selenium MR 4 1997
Cadmium MR 4 1997
Combined Uranium MR 4 2007

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 Geneva National Community Services.

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 WI2650907 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 Geneva National Community Services 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
2007 Gross Alpha, Excl. Radon and U MR 4 SDWIS / WI2650907 / 4000
2007 Combined Radium (-226 and -228) MR 4 SDWIS / WI2650907 / 4010
2007 Radium-226 MR 4 SDWIS / WI2650907 / 4020
2007 Radium-228 MR 4 SDWIS / WI2650907 / 4030
2007 Combined Uranium MR 4 SDWIS / WI2650907 / 4006
2006 Coliform (TCR) MR 11 SDWIS / WI2650907 / 3100
2005 Combined Radium (-226 and -228) MCL 5 SDWIS / WI2650907 / 4010
2005 Gross Alpha, Excl. Radon and U MCL 5 SDWIS / WI2650907 / 4000
2005 Public Notice Other 4 SDWIS / WI2650907 / 7500
2000 Barium MR 6 SDWIS / WI2650907 / 1010
1997 Nitrate MR 10 SDWIS / WI2650907 / 1040
1997 Nitrate-Nitrite MR 7 SDWIS / WI2650907 / 1038
1997 Nitrite MR 7 SDWIS / WI2650907 / 1041
1997 Thallium, Total MR 4 SDWIS / WI2650907 / 1085
1997 Antimony, Total MR 4 SDWIS / WI2650907 / 1074

How Geneva National Community Services Compares

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

Metric Geneva National Community Services Wisconsin avg Federal benchmark
Total violations 115 26 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 10 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 2,250 467 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 Geneva National Community Services water safe to drink? ▼
Geneva National Community Services (PWS ID: WI2650907) has 115 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 2,250 people using Groundwater sources.
How many people does Geneva National Community Services serve? ▼
Geneva National Community Services serves 2,250 people in Lake Geneva, Wisconsin. It is a Private-owned system using Groundwater water sources with 775 service connections.
What type of violations does Geneva National Community Services have? ▼
Geneva National Community Services has 115 total violations: 10 health-based violations (MCL exceedances or treatment failures), 101 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Geneva National Community Services water? ▼
No PFAS testing data is available for Geneva National Community Services under the EPA's UCMR5 monitoring program.
What water source does Geneva National Community Services use? ▼
Geneva National Community Services uses Groundwater 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. 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.