PlainWater
States05

MOLE LAKE

PWS ID: 055295601 · CRANDON, 05 54520

MOLE LAKE serves 1,260 people in CRANDON, 05 using Groundwater water sources. It has 535 recorded EPA violations, including 3 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: MOLE LAKE

MOLE LAKE is a native american-owned community water system that delivers drinking water to 1,260 residents in CRANDON, 05 through 180 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 535 total violations for this system , of which 3 (1%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 513 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 37 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 05, EPA tracks 113 public water systems serving 144,290 people, with 19,546 cumulative violations and 443 health-based violations on record. About 95% of systems in the state carry at least one violation, and state-wide the average per system is 173 violations. MOLE LAKE's 535 violations sit above the 05 average. Statewide, 5 of 13 UCMR5-tested systems have reported PFAS detections (38.5%). 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
1,260
Total Violations
535
Health-Based Violations
3
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Native American
Connections
180
School/Daycare
No
MCL Violations
3
Monitoring Violations
513
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 37 2014
Chromium MR 12 2024
Barium MR 12 2024
Nickel MR 12 2024
Antimony, Total MR 12 2024
Beryllium, Total MR 12 2024
Asbestos MR 12 2024
Selenium MR 12 2024
Arsenic MR 12 2024
Cadmium MR 12 2024
Mercury MR 12 2024
Nitrate MR 12 2018
CYANIDE MR 12 2024
Fluoride MR 12 2024
Thallium, Total MR 12 2024
Chlorine MR 8 2019
Total Haloacetic Acids (HAA5) MR 6 2020
TTHM MR 6 2020
Lead and Copper Rule MR 6 1995
cis-1,2-Dichloroethylene MR 5 2014
1,2,4-Trichlorobenzene MR 5 2014
o-Dichlorobenzene MR 5 2014
1,1-Dichloroethylene MR 5 2014
1,2-Dichloroethane MR 5 2014
1,1,1-Trichloroethane MR 5 2014
Carbon tetrachloride MR 5 2014
1,2-Dichloropropane MR 5 2014
1,1,2-Trichloroethane MR 5 2014
CHLOROBENZENE MR 5 2014
Benzene MR 5 2014

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 MOLE LAKE.

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 055295601 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

05 Drinking Water Authority

05'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 05 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
2024 Chromium MR 12 SDWIS / 055295601 / 1020
2024 Barium MR 12 SDWIS / 055295601 / 1010
2024 Nickel MR 12 SDWIS / 055295601 / 1036
2024 Antimony, Total MR 12 SDWIS / 055295601 / 1074
2024 Beryllium, Total MR 12 SDWIS / 055295601 / 1075
2024 Asbestos MR 12 SDWIS / 055295601 / 1094
2024 Selenium MR 12 SDWIS / 055295601 / 1045
2024 Arsenic MR 12 SDWIS / 055295601 / 1005
2024 Cadmium MR 12 SDWIS / 055295601 / 1015
2024 Mercury MR 12 SDWIS / 055295601 / 1035
2024 CYANIDE MR 12 SDWIS / 055295601 / 1024
2024 Fluoride MR 12 SDWIS / 055295601 / 1025
2024 Thallium, Total MR 12 SDWIS / 055295601 / 1085
2020 Total Haloacetic Acids (HAA5) MR 6 SDWIS / 055295601 / 2456
2020 TTHM MR 6 SDWIS / 055295601 / 2950

How MOLE LAKE Compares

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

Metric MOLE LAKE 05 avg Federal benchmark
Total violations 535 173 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 3 3.9 Indicates a contaminant exceeded a federal MCL
PFAS detection None 38.5% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 1,260 1,277 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 113 regulated public water systems in 05.

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 MOLE LAKE water safe to drink?
MOLE LAKE (PWS ID: 055295601) has 535 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 1,260 people using Groundwater sources.
How many people does MOLE LAKE serve?
MOLE LAKE serves 1,260 people in CRANDON, 05. It is a Native American-owned system using Groundwater water sources with 180 service connections.
What type of violations does MOLE LAKE have?
MOLE LAKE has 535 total violations: 3 health-based violations (MCL exceedances or treatment failures), 513 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in MOLE LAKE water?
No PFAS testing data is available for MOLE LAKE under the EPA's UCMR5 monitoring program.
What water source does MOLE LAKE use?
MOLE LAKE uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
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.

Explore PlainWater

Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Related

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