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LEGEND LAKES WATER ASSOCIATION

PWS ID: IL2015300 · ROSCOE, Illinois 61073

LEGEND LAKES WATER ASSOCIATION serves 250 people in ROSCOE, Illinois using Groundwater water sources. It has 31 recorded EPA violations, including 0 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: LEGEND LAKES WATER ASSOCIATION

LEGEND LAKES WATER ASSOCIATION is a private-owned community water system that delivers drinking water to 250 residents in ROSCOE, Illinois (Winnebago County) through 87 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 31 total violations for this system , of which 0 (0%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 15 monitoring and reporting violations are on file. The most recent violation on record dates to 2014.

The most frequently cited contaminant at this system is Chlorine, recorded in 8 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 Illinois, EPA tracks 5,117 public water systems serving 12,576,876 people, with 355,322 cumulative violations and 52,932 health-based violations on record. About 81% of systems in the state carry at least one violation, and state-wide the average per system is 69.4 violations. LEGEND LAKES WATER ASSOCIATION's 31 violations sit below the Illinois average. Statewide, 199 of 487 UCMR5-tested systems have reported PFAS detections (40.9%). 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
31
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
87
County
Winnebago
School/Daycare
No
MCL Violations
0
Monitoring Violations
15
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Chlorine MR 8 2014
Coliform (TCR) MR 7 2012

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 LEGEND LAKES WATER ASSOCIATION.

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 IL2015300 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Illinois Drinking Water Authority

Illinois EPA — Bureau of Water is the primacy agency that licenses and inspects LEGEND LAKES WATER ASSOCIATION under EPA-delegated authority.

Open IL regulator portal

Source: Illinois EPA — Bureau of Water

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
2014 Chlorine MR 8 SDWIS / IL2015300 / 0999
2012 Coliform (TCR) MR 7 SDWIS / IL2015300 / 3100

How LEGEND LAKES WATER ASSOCIATION Compares

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

Metric LEGEND LAKES WATER ASSOCIATION Illinois avg Federal benchmark
Total violations 31 69.4 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 0 10.3 Indicates a contaminant exceeded a federal MCL
PFAS detection None 40.9% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 250 2,458 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 5,117 regulated public water systems in Illinois.

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 LEGEND LAKES WATER ASSOCIATION water safe to drink?
LEGEND LAKES WATER ASSOCIATION (PWS ID: IL2015300) has 31 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 LEGEND LAKES WATER ASSOCIATION serve?
LEGEND LAKES WATER ASSOCIATION serves 250 people in ROSCOE, Illinois. It is a Private-owned system using Groundwater water sources with 87 service connections.
What type of violations does LEGEND LAKES WATER ASSOCIATION have?
LEGEND LAKES WATER ASSOCIATION has 31 total violations: 0 health-based violations (MCL exceedances or treatment failures), 15 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in LEGEND LAKES WATER ASSOCIATION water?
No PFAS testing data is available for LEGEND LAKES WATER ASSOCIATION under the EPA's UCMR5 monitoring program.
What water source does LEGEND LAKES WATER ASSOCIATION use?
LEGEND LAKES WATER ASSOCIATION 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.

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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