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Non-Transient Non-Community Water System · PWS WI2460969

Skygen USA

Mequon, Wisconsin 53092 - drinking water served from groundwater sources to 64 people, tracked in EPA SDWIS and UCMR5.

64
People served
130
EPA violations
0
Health-based
Untested
UCMR5 result

The verdict

EPA records 130 drinking-water violations at Skygen USA - above the Wisconsin per-system average.

130
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
64
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Skygen USA

Skygen USA is a private-owned non-transient non-community water system that delivers drinking water to 64 residents in Mequon, Wisconsin (Ozaukee County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 130 total violations for this system , of which 0 (0%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 128 monitoring and reporting violations are on file. The most recent violation on record dates to 2004.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 10 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, 51 of 202 UCMR5-tested systems have reported PFAS detections (25.2%).

Skygen USA's 130 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
64
Total Violations
130
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
1
County
Ozaukee
School/Daycare
No
MCL Violations
0
Monitoring Violations
128
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 10 2004
Lead and Copper Rule MR 7 1999
Nitrate MR 7 2002
Carbon tetrachloride MR 5 2001
Cadmium MR 3 1999
Nickel MR 3 1999
Nitrite MR 3 1999
Antimony, Total MR 3 1999
Beryllium, Total MR 3 1999
Thallium, Total MR 3 1999
1,2,4-Trichlorobenzene MR 3 1999
Vinyl chloride MR 3 1999
trans-1,2-Dichloroethylene MR 3 1999
1,1,1-Trichloroethane MR 3 1999
1,2-Dichloroethane MR 3 1999
Styrene MR 3 1999
Toluene MR 3 1999
CHLOROBENZENE MR 3 1999
1,1,2-Trichloroethane MR 3 1999
Trichloroethylene MR 3 1999
1,2-Dichloropropane MR 3 1999
p-Dichlorobenzene MR 3 1999
Xylenes, Total MR 3 1999
DICHLOROMETHANE MR 3 1999
o-Dichlorobenzene MR 3 1999
cis-1,2-Dichloroethylene MR 3 1999
Ethylbenzene MR 3 1999
Tetrachloroethylene MR 3 1999
Selenium MR 3 1999
Chromium MR 3 1999

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 Skygen USA.

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 WI2460969 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 Skygen USA 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
2004 Coliform (TCR) MR 10 SDWIS / WI2460969 / 3100
2004 Public Notice Other 2 SDWIS / WI2460969 / 7500
2002 Nitrate MR 7 SDWIS / WI2460969 / 1040
2001 Carbon tetrachloride MR 5 SDWIS / WI2460969 / 2982
1999 Lead and Copper Rule MR 7 SDWIS / WI2460969 / 5000
1999 Cadmium MR 3 SDWIS / WI2460969 / 1015
1999 Nickel MR 3 SDWIS / WI2460969 / 1036
1999 Nitrite MR 3 SDWIS / WI2460969 / 1041
1999 Antimony, Total MR 3 SDWIS / WI2460969 / 1074
1999 Beryllium, Total MR 3 SDWIS / WI2460969 / 1075
1999 Thallium, Total MR 3 SDWIS / WI2460969 / 1085
1999 1,2,4-Trichlorobenzene MR 3 SDWIS / WI2460969 / 2378
1999 Vinyl chloride MR 3 SDWIS / WI2460969 / 2976
1999 trans-1,2-Dichloroethylene MR 3 SDWIS / WI2460969 / 2979
1999 1,1,1-Trichloroethane MR 3 SDWIS / WI2460969 / 2981

How Skygen USA Compares

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

Metric Skygen USA Wisconsin avg Federal benchmark
Total violations 130 26 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 0 5.3 Indicates a contaminant exceeded a federal MCL
PFAS detection None 25.2% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 64 467 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 Skygen USA water safe to drink? ▼
Skygen USA (PWS ID: WI2460969) has 130 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 64 people using Groundwater sources.
How many people does Skygen USA serve? ▼
Skygen USA serves 64 people in Mequon, Wisconsin. It is a Private-owned system using Groundwater water sources with 1 service connections.
What type of violations does Skygen USA have? ▼
Skygen USA has 130 total violations: 0 health-based violations (MCL exceedances or treatment failures), 128 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Skygen USA water? ▼
No PFAS testing data is available for Skygen USA under the EPA's UCMR5 monitoring program.
What water source does Skygen USA use? ▼
Skygen USA uses Groundwater as its primary water source. It is classified as a Non-Transient Non-Community Water System, serving the same people for at least 6 months per year.
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.