Water System Report IL

Legend Lakes Water Association

EPA ID: IL2015300 · 250 people served · 2 ZIP codes

In the most recent five-year monitoring window, Legend Lakes Water Association posted zero EPA violations serving 250 residents.

Data: EPA SDWIS Last verified: 2026-04-02

C · 55
Avg Safety Score
250
People Served
2
ZIP Codes Served
0
Violations (5yr)
Groundwater
Water Source
0.00685 mg/L
Max Lead Level
Zone 1
Radon Risk · High
0
Contaminants Flagged
$201K
Median Home Value in Service Area

Compliance Trajectory

Worsening · Risk tier: High · 95% chance of violation in next 12 months

Violations went from 2 (2023) to 1 (2024). The pattern suggests growing compliance challenges.

Service Area Map

Coverage area for Legend Lakes Water Association Source: EPA SDWIS service area boundaries.

Service area boundary — Grade C

Service Area Demographics

$91,534
Median Household Income
31,070
Service Area Population
48%
Disadvantaged Population
50th
Poverty Percentile
40th
Energy Burden Percentile
44%
Pre-1986 Housing

The Legend Lakes Water Association serves a community with a median household income of $91,534 and an estimated 31,070 residents across its service area. Approximately 44% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.

Environmental Justice Note: 48% of the population in this service area is classified as disadvantaged under EPA's EJScreen criteria. Communities with higher disadvantaged populations often face disproportionate environmental and health burdens, including aging water infrastructure and limited resources for remediation.

💧 Where Does Your Water Come From?

Groundwater

Legend Lakes Water Association's water is pumped from underground aquifers. Groundwater is naturally filtered through rock and soil, but it can be vulnerable to PFAS contamination, nitrates from agriculture, and industrial chemicals that seep into the water table.

Moderate Risk
Source Contamination Risk
70th
Wastewater Discharge Proximity
80th
Superfund Site Proximity

About 1% of homes in Winnebago County, Illinois rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.

Wastewater Proximity Note: This service area ranks in the 70th percentile nationally for proximity to wastewater discharge points.

Superfund Proximity Note: This service area ranks in the 80th percentile nationally for proximity to Superfund (NPL) sites. Groundwater sources near contaminated sites may face elevated risk from industrial chemicals.

Infrastructure Risk

36 yr
Avg Pipe Age
Copper
Pipe Material
34 yr
Est. Remaining Life
Moderate Wear
Decay Status
Installed 51% of expected lifespan used End of life

PFAS Detected in Service Area

PFAS ("forever chemicals") have been detected in water serving this system's area. 8 detections recorded. 3 exceed federal EPA limits (4 ppt for PFOA/PFOS). 1 exceeds state limits.

State limits: PFOA: 0.002 ppt, PFOS: 0.014 ppt
Health concern: PFAS are linked to cancer, thyroid disease, immune suppression, and developmental effects. They do not break down naturally.
Recommended filter: Reverse osmosis (RO) or activated carbon filters certified for PFAS removal. Find the right filter →

Comparable Water Systems

Similar-sized systems in Illinois

0 violations
Arlington
250 people
0 violations
0 violations
0 violations
Lafayette
250 people
C 8 violations

Estimated Remediation Costs

Average estimated costs across ZIP codes served by this system

Radon Mitigation Flood Insurance PFAS Treatment Water Filtration
Radon Mitigation $1,200
Flood Insurance $1,200
PFAS Treatment $550
Water Filtration $150
Total Estimated Cost $3,100

Based on national averages for common remediation projects. Actual costs vary by property. Only issues flagged by EPA, FEMA, or state data for each ZIP code are included.

Cost of Inaction

If water quality issues in this service area are not addressed, the estimated financial impact per household is:

PFAS Exposure — Lifetime Cost $1,000

Per person (emerging research est.)

Estimated Cumulative Cost Per Household

5 years
$165
10 years
$330
20 years
$660

Compare: Estimated remediation cost is $3,100 (one-time) vs. $330 in estimated inaction costs over 10 years.

Estimates based on published EPA, CDC, and peer-reviewed research. Individual costs vary by household size, property, and health factors. These are conservative lower-bound estimates intended for awareness, not financial advice.

System Overview

Legend Lakes Water Association (EPA ID: IL2015300) is a community water system in Illinois that serves approximately 250 people from groundwater sources.

This system provides water to 2 ZIP codes across 2 communities.

Average Home Safety Score: C (55/100)

Based on water quality violations, lead levels, and radon risk across all ZIP codes served by this system.

Violation History

No violations recorded — This water system has no recorded EPA violations in the past 5 years.

Lead & Copper

EPA Lead and Copper Rule sampling data for ZIP codes served by this system:

ZIP Code Lead Level Exceeds Limit Sample Date
61073 0.00685 mg/L No N/A

Radon Risk in Service Area

Dominant radon zone for ZIP codes served by this system: Zone 1 (High Risk)

The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.

Need help with your water quality?

Typical cost: Water test: typically $20–$50 (DIY kit) · Professional inspection: $150–$400

Find the Right Water Filter

Free tip: Let cold water run for 2 minutes before drinking — this helps flush lead from your pipes.

ZIP Codes Served

Coverage: Service area ZIP codes sourced from EPA Community Water System Service Area Boundaries v3 (March 2026 release). These ZIPs reflect the actual deployment footprint recorded by IL or modeled from parcel and building-footprint data.

Data Sources

This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Legend Lakes Water Association (IL2015300) on EPA.gov.

Frequently Asked Questions

Is Legend Lakes Water Association water safe to drink?

Based on EPA records, Legend Lakes Water Association has no recorded violations in the past 5 years — a positive indicator of water quality management.

How many people does Legend Lakes Water Association serve?

Legend Lakes Water Association serves approximately 250 people across 2 ZIP codes in Illinois.

Where does Legend Lakes Water Association get its water?

The primary water source is groundwater.

Treatment regime

How this utility classifies its treatment process and what each reported treatment chemical does.

Treatment classification
Minimal — disinfection only
Disinfection (typically chlorine) without additional filtration or coagulation stages. Common for groundwater systems where source water meets federal standards after disinfection alone.

Treatment chemicals and what each one does

Chemical names are reported verbatim by the utility. Purpose categories are ZipCheckup annotations based on standard drinking-water treatment practice.

Disinfectant
Inactivates bacteria, viruses, and parasites in the treated water.
Chlorine

Treatment classification and chemical list sourced from LEGEND LAKES WATER ASSOCIATION Consumer Confidence Report.

Treatment intensity is a ZipCheckup-derived classification based on the chemicals and processes the utility reports. Chemicals and contamination sources are taken verbatim from the utility's CCR filing. Routine federal monitoring and contaminant testing shown elsewhere on this page determine whether the water meets safety standards, not the treatment classification.

Lead Service Line Inventory

Service line breakdown reported under the federal Lead and Copper Rule Improvements (LCRI) inventory requirement:

0
Confirmed Lead
0
Galvanized — Replacement Required
0
Unknown Material
88
Confirmed Non-Lead

This system reports zero confirmed lead service lines in its inventory. Unknown-material counts may still warrant verification.

Federal LCRI rule (effective October 2024) requires every public water system to inventory its service lines and complete lead-line replacement within 10 years.

Federal Regulatory Status · 2026Q1
LCRR inventory submission: Reported all required service line types
Latest tap sample on 2022-01-01 did not exceed the federal lead action level.
Population served: 250
Reported to Illinois

Source: EPA SDWIS Federal Service Line Inventory (Phase 2) · Submitted 2026

ZipCheckup is not affiliated with the utility or state agency. Inventory figures render verbatim from the public LCRI submission cited above; ZipCheckup does not perform inspections or replacements.

Learn about lead in drinking water →

Frequently Asked Questions

Is water from Legend Lakes Water Association safe to drink?
Legend Lakes Water Association has a C safety grade based on 0 recorded violations. Some contaminants may exceed EPA limits — independent testing is recommended.
Should I use a water filter?
Legend Lakes Water Association meets EPA standards, but a water filter can reduce trace contaminants below detectable levels for added peace of mind.
How many people does Legend Lakes Water Association serve?
Legend Lakes Water Association serves approximately 250 people with drinking water across 2 ZIP codes.
What is Legend Lakes Water Association's water source?
Legend Lakes Water Association draws water from groundwater sources. Source type affects which contaminants are most likely to be present.
Is there lead in Legend Lakes Water Association's water?
The maximum detected lead level is 0.00685 mg/L. This is within EPA action level guidelines.
What is the demographic profile of Legend Lakes Water Association's service area?
The Legend Lakes Water Association service area has a median household income of $91,534. EPA EJScreen data classifies 48% of the population as disadvantaged, which may indicate greater vulnerability to environmental health risks.
Where does Legend Lakes Water Association get its water?
Legend Lakes Water Association's water is pumped from underground aquifers. Groundwater is naturally filtered through rock and soil, but it can be vulnerable to PFAS contamination, nitrates from agriculture, and industrial chemicals that seep into the water table. Based on available data, the source contamination risk is moderate.

What You Can Do

1

Test your water

Home test kits can detect lead, bacteria, and other contaminants at your tap. Find the right filter →

2

Check your specific ZIP code

Water quality can vary within a system. View nearest ZIP report →

3

Contact your utility

Legend Lakes Water Association (EPA ID: IL2015300) — request the latest Consumer Confidence Report or ask about specific contaminants.

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