PlainWater
States05

STONE LAKE COMMUNITY

PWS ID: 055295201 · CRANDON, 05 54520

STONE LAKE COMMUNITY serves 851 people in CRANDON, 05 using Groundwater water sources. It has 100 recorded EPA violations, including 3 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: STONE LAKE COMMUNITY

STONE LAKE COMMUNITY is a native american-owned community water system that delivers drinking water to 851 residents in CRANDON, 05 through 109 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 100 total violations for this system , of which 3 (3%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 97 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 Nitrate, recorded in 13 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. STONE LAKE COMMUNITY's 100 violations sit below 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
851
Total Violations
100
Health-Based Violations
3
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Native American
Connections
109
School/Daycare
No
MCL Violations
3
Monitoring Violations
97
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Nitrate MR 13 2023
Nitrate-Nitrite MR 9 2023
Nitrite MR 9 2023
Thallium, Total MR 8 2017
CYANIDE MR 7 2024
Nickel MR 5 2011
Barium MR 4 2008
Chromium MR 4 2008
Mercury MR 4 2008
Antimony, Total MR 4 2008
Selenium MR 4 2008
Cadmium MR 4 2008
Asbestos MR 4 2008
Beryllium, Total MR 4 2008
Arsenic MR 4 2008
Fluoride MR 4 2008
Coliform (TCR) MCL 3 2010
Chlorine MR 3 2024
ETHYLENE DIBROMIDE MR 3 2017

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 STONE LAKE COMMUNITY.

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 055295201 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 CYANIDE MR 7 SDWIS / 055295201 / 1024
2024 Chlorine MR 3 SDWIS / 055295201 / 0999
2023 Nitrate MR 13 SDWIS / 055295201 / 1040
2023 Nitrate-Nitrite MR 9 SDWIS / 055295201 / 1038
2023 Nitrite MR 9 SDWIS / 055295201 / 1041
2017 Thallium, Total MR 8 SDWIS / 055295201 / 1085
2017 ETHYLENE DIBROMIDE MR 3 SDWIS / 055295201 / 2946
2011 Nickel MR 5 SDWIS / 055295201 / 1036
2010 Coliform (TCR) MCL 3 SDWIS / 055295201 / 3100
2008 Barium MR 4 SDWIS / 055295201 / 1010
2008 Chromium MR 4 SDWIS / 055295201 / 1020
2008 Mercury MR 4 SDWIS / 055295201 / 1035
2008 Antimony, Total MR 4 SDWIS / 055295201 / 1074
2008 Selenium MR 4 SDWIS / 055295201 / 1045
2008 Cadmium MR 4 SDWIS / 055295201 / 1015

How STONE LAKE COMMUNITY Compares

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

Metric STONE LAKE COMMUNITY 05 avg Federal benchmark
Total violations 100 173 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 851 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 STONE LAKE COMMUNITY water safe to drink?
STONE LAKE COMMUNITY (PWS ID: 055295201) has 100 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 851 people using Groundwater sources.
How many people does STONE LAKE COMMUNITY serve?
STONE LAKE COMMUNITY serves 851 people in CRANDON, 05. It is a Native American-owned system using Groundwater water sources with 109 service connections.
What type of violations does STONE LAKE COMMUNITY have?
STONE LAKE COMMUNITY has 100 total violations: 3 health-based violations (MCL exceedances or treatment failures), 97 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in STONE LAKE COMMUNITY water?
No PFAS testing data is available for STONE LAKE COMMUNITY under the EPA's UCMR5 monitoring program.
What water source does STONE LAKE COMMUNITY use?
STONE LAKE COMMUNITY 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