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Transient Non-Community Water System · PWS MN5390097

Sunset Lodge

Oak Island, Minnesota 56741 - drinking water served from surface water sources to 110 people, tracked in EPA SDWIS and UCMR5.

110
People served
366
EPA violations
40
Health-based
Untested
UCMR5 result

The verdict

EPA records 366 drinking-water violations at Sunset Lodge, 11% of them health-based - above the Minnesota per-system average.

366
Total EPA violations on record
11%
Health-based (MCL / treatment failure)
110
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Sunset Lodge

Sunset Lodge is a private-owned transient non-community water system that delivers drinking water to 110 residents in Oak Island, Minnesota (Lake of the Woods County) through 10 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 366 total violations for this system , of which 40 (11%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 296 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.

The most frequently cited contaminant at this system is Revised Total Coliform Rule, recorded in 132 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 Minnesota, EPA tracks 6,557 public water systems serving 5,239,398 people, with 59,895 cumulative violations and 36,496 health-based violations on record. About 52% of systems in the state carry at least one violation, and state-wide the average per system is 9.1 violations. Statewide, 149 of 196 UCMR5-tested systems have reported PFAS detections (76%).

Sunset Lodge's 366 violations sit above the Minnesota 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
110
Total Violations
366
Health-Based Violations
40
Water Source
Surface Water

System Details

System Type
Transient Non-Community
Owner Type
Private
Connections
10
County
Lake of the Woods
School/Daycare
No
MCL Violations
6
Monitoring Violations
296
Treatment Tech Violations
34

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Revised Total Coliform Rule MON 132 2025
Interim Enhanced Surface Water Treatment Rule MR 113 2025
Surface Water Treatment Rule MR 31 2023
Surface Water Treatment Rule TT 30 2006
Public Notice Other 30 2025
Coliform (TCR) MR 20 2016
Revised Total Coliform Rule MCL 6 2016
Interim Enhanced Surface Water Treatment Rule TT 4 2023

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 Sunset Lodge.

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 MN5390097 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Minnesota Drinking Water Authority

Minnesota's primacy agency administers the Safe Drinking Water Act locally. Search EPA SDWIS for the current state contact, or use the state's public health or environment department portal.

Find MN regulator via EPA SDWIS

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
2025 Revised Total Coliform Rule MON 132 SDWIS / MN5390097 / 8000
2025 Interim Enhanced Surface Water Treatment Rule MR 113 SDWIS / MN5390097 / 0300
2025 Public Notice Other 30 SDWIS / MN5390097 / 7500
2023 Surface Water Treatment Rule MR 31 SDWIS / MN5390097 / 0200
2023 Interim Enhanced Surface Water Treatment Rule TT 4 SDWIS / MN5390097 / 0300
2016 Coliform (TCR) MR 20 SDWIS / MN5390097 / 3100
2016 Revised Total Coliform Rule MCL 6 SDWIS / MN5390097 / 8000
2006 Surface Water Treatment Rule TT 30 SDWIS / MN5390097 / 0200

How Sunset Lodge Compares

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

Metric Sunset Lodge Minnesota avg Federal benchmark
Total violations 366 9.1 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 40 5.6 Indicates a contaminant exceeded a federal MCL
PFAS detection None 76% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 110 799 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 6,557 regulated public water systems in Minnesota.

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 Sunset Lodge water safe to drink? ▼
Sunset Lodge (PWS ID: MN5390097) has 366 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 110 people using Surface Water sources.
How many people does Sunset Lodge serve? ▼
Sunset Lodge serves 110 people in Oak Island, Minnesota. It is a Private-owned system using Surface Water water sources with 10 service connections.
What type of violations does Sunset Lodge have? ▼
Sunset Lodge has 366 total violations: 40 health-based violations (MCL exceedances or treatment failures), 296 monitoring/reporting violations, and 34 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Sunset Lodge water? ▼
No PFAS testing data is available for Sunset Lodge under the EPA's UCMR5 monitoring program.
What water source does Sunset Lodge use? ▼
Sunset Lodge uses Surface Water 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.