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Transient Non-Community Water System · PWS WI8550378

Winterhaven 3 Boot Lake Well

Ladysmith, Wisconsin 54848 - drinking water served from groundwater sources to 40 people, tracked in EPA SDWIS and UCMR5.

40
People served
0
EPA violations
0
Health-based
Untested
UCMR5 result

The verdict

Winterhaven 3 Boot Lake Well carries a clean Safe Drinking Water Act record, zero EPA violations.

0
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
40
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Winterhaven 3 Boot Lake Well

Winterhaven 3 Boot Lake Well is a private-owned transient non-community water system that delivers drinking water to 40 residents in Ladysmith, Wisconsin (Rusk County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 0 total violations for this system , giving it a clean Safe Drinking Water Act compliance record.

No specific contaminant violations have been recorded in EPA's detailed violation register for this system. 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%).

Winterhaven 3 Boot Lake Well's 0 violations sit below 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
40
Total Violations
0
Health-Based Violations
0
Water Source
Groundwater

System Details

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

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 Winterhaven 3 Boot Lake Well.

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 WI8550378 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 Winterhaven 3 Boot Lake Well under EPA-delegated authority.

Open WI regulator portal

Source: Wisconsin DNR, Drinking Water and Groundwater

How Winterhaven 3 Boot Lake Well Compares

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

Metric Winterhaven 3 Boot Lake Well Wisconsin avg Federal benchmark
Total violations 0 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 40 467 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 Winterhaven 3 Boot Lake Well water safe to drink? ▼
Winterhaven 3 Boot Lake Well (PWS ID: WI8550378) has 0 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 40 people using Groundwater sources.
How many people does Winterhaven 3 Boot Lake Well serve? ▼
Winterhaven 3 Boot Lake Well serves 40 people in Ladysmith, Wisconsin. It is a Private-owned system using Groundwater water sources with 1 service connections.
What type of violations does Winterhaven 3 Boot Lake Well have? ▼
Winterhaven 3 Boot Lake Well has 0 total violations: 0 health-based violations (MCL exceedances or treatment failures), 0 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Winterhaven 3 Boot Lake Well water? ▼
No PFAS testing data is available for Winterhaven 3 Boot Lake Well under the EPA's UCMR5 monitoring program.
What water source does Winterhaven 3 Boot Lake Well use? ▼
Winterhaven 3 Boot Lake Well uses Groundwater as its primary water source. It is classified as a Transient Non-Community Water System, serving transient populations.
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.