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Non-Transient Non-Community Water System · PWS WI2461725

Homestead Hs Pavilion

Mequon, Wisconsin 53092 - drinking water served from groundwater sources to 125 people, tracked in EPA SDWIS and UCMR5.

125
People served
386
EPA violations
0
Health-based
Untested
UCMR5 result

The verdict

EPA records 386 drinking-water violations at Homestead Hs Pavilion - above the Wisconsin per-system average.

386
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
125
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Homestead Hs Pavilion

Homestead Hs Pavilion is a local-owned non-transient non-community water system that delivers drinking water to 125 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 386 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 383 monitoring and reporting violations are on file. The most recent violation on record dates to 2022.

The most frequently cited contaminant at this system is Revised Total Coliform Rule, recorded in 17 violations (MON). 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%).

Homestead Hs Pavilion's 386 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
125
Total Violations
386
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Local
Connections
1
County
Ozaukee
School/Daycare
Yes
MCL Violations
0
Monitoring Violations
383
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Revised Total Coliform Rule MON 17 2022
Pentachlorophenol MR 6 2016
HEXACHLOROBENZENE MR 6 2016
2,4,5-TP MR 6 2016
2,4-D MR 6 2016
Heptachlor epoxide MR 6 2016
Atrazine MR 6 2016
Carbofuran MR 6 2016
Hexachlorocyclopentadiene MR 6 2016
Glyphosate MR 6 2016
Endothall MR 6 2016
Diquat MR 6 2016
Dalapon MR 6 2016
Toxaphene MR 6 2016
Methoxychlor MR 6 2016
BHC-GAMMA MR 6 2016
Di(2-ethylhexyl) adipate MR 6 2016
Chlordane MR 6 2016
Barium MR 6 2016
Beryllium, Total MR 6 2016
Thallium, Total MR 6 2016
Antimony, Total MR 6 2016
Nickel MR 6 2016
Nitrate-Nitrite MR 6 2016
Fluoride MR 6 2016
Chromium MR 6 2016
CHLOROBENZENE MR 6 2016
Tetrachloroethylene MR 6 2016
Trichloroethylene MR 6 2016
1,2-Dichloropropane MR 6 2016

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 Homestead Hs Pavilion.

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 WI2461725 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 Homestead Hs Pavilion 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
2022 Revised Total Coliform Rule MON 17 SDWIS / WI2461725 / 8000
2018 Public Notice Other 3 SDWIS / WI2461725 / 7500
2016 Pentachlorophenol MR 6 SDWIS / WI2461725 / 2326
2016 HEXACHLOROBENZENE MR 6 SDWIS / WI2461725 / 2274
2016 2,4,5-TP MR 6 SDWIS / WI2461725 / 2110
2016 2,4-D MR 6 SDWIS / WI2461725 / 2105
2016 Heptachlor epoxide MR 6 SDWIS / WI2461725 / 2067
2016 Atrazine MR 6 SDWIS / WI2461725 / 2050
2016 Carbofuran MR 6 SDWIS / WI2461725 / 2046
2016 Hexachlorocyclopentadiene MR 6 SDWIS / WI2461725 / 2042
2016 Glyphosate MR 6 SDWIS / WI2461725 / 2034
2016 Endothall MR 6 SDWIS / WI2461725 / 2033
2016 Diquat MR 6 SDWIS / WI2461725 / 2032
2016 Dalapon MR 6 SDWIS / WI2461725 / 2031
2016 Toxaphene MR 6 SDWIS / WI2461725 / 2020

How Homestead Hs Pavilion Compares

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

Metric Homestead Hs Pavilion Wisconsin avg Federal benchmark
Total violations 386 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 125 467 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 Homestead Hs Pavilion water safe to drink? ▼
Homestead Hs Pavilion (PWS ID: WI2461725) has 386 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 125 people using Groundwater sources.
How many people does Homestead Hs Pavilion serve? ▼
Homestead Hs Pavilion serves 125 people in Mequon, Wisconsin. It is a Local-owned system using Groundwater water sources with 1 service connections.
What type of violations does Homestead Hs Pavilion have? ▼
Homestead Hs Pavilion has 386 total violations: 0 health-based violations (MCL exceedances or treatment failures), 383 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Homestead Hs Pavilion water? ▼
No PFAS testing data is available for Homestead Hs Pavilion under the EPA's UCMR5 monitoring program.
What water source does Homestead Hs Pavilion use? ▼
Homestead Hs Pavilion 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.