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WI DNR FIREFLY LK CMPGD 61

PWS ID: WI7640331 · BOULDER JUNCTION, Wisconsin 54512

WI DNR FIREFLY LK CMPGD 61 serves 250 people in BOULDER JUNCTION, Wisconsin using Groundwater water sources. It has a clean compliance record with no EPA violations recorded. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: WI DNR FIREFLY LK CMPGD 61

WI DNR FIREFLY LK CMPGD 61 is a state-owned transient non-community water system that delivers drinking water to 250 residents in BOULDER JUNCTION, Wisconsin (Vilas 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. WI DNR FIREFLY LK CMPGD 61's 0 violations sit below the Wisconsin average. Statewide, 78 of 202 UCMR5-tested systems have reported PFAS detections (38.6%). 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
250
Total Violations
0
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Transient Non-Community
Owner Type
State
Connections
1
County
Vilas
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 WI DNR FIREFLY LK CMPGD 61.

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 WI7640331 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 WI DNR FIREFLY LK CMPGD 61 under EPA-delegated authority.

Open WI regulator portal

Source: Wisconsin DNR — Drinking Water and Groundwater

How WI DNR FIREFLY LK CMPGD 61 Compares

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

Metric WI DNR FIREFLY LK CMPGD 61 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 38.6% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 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
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is WI DNR FIREFLY LK CMPGD 61 water safe to drink? ▼
WI DNR FIREFLY LK CMPGD 61 (PWS ID: WI7640331) has 0 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 250 people using Groundwater sources.
How many people does WI DNR FIREFLY LK CMPGD 61 serve? ▼
WI DNR FIREFLY LK CMPGD 61 serves 250 people in BOULDER JUNCTION, Wisconsin. It is a State-owned system using Groundwater water sources with 1 service connections.
What type of violations does WI DNR FIREFLY LK CMPGD 61 have? ▼
WI DNR FIREFLY LK CMPGD 61 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 WI DNR FIREFLY LK CMPGD 61 water? ▼
No PFAS testing data is available for WI DNR FIREFLY LK CMPGD 61 under the EPA's UCMR5 monitoring program.
What water source does WI DNR FIREFLY LK CMPGD 61 use? ▼
WI DNR FIREFLY LK CMPGD 61 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.

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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.

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Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by PlainWater Editorial