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Community Water System · PWS IL1975930

Lakewood Shores Improvement Association

Wilmington, Illinois 60481 - drinking water served from surface water sources to 868 people, tracked in EPA SDWIS and UCMR5.

868
People served
248
EPA violations
169
Health-based
Untested
UCMR5 result

The verdict

EPA records 248 drinking-water violations at Lakewood Shores Improvement Association, 68% of them health-based - above the Illinois per-system average.

248
Total EPA violations on record
68%
Health-based (MCL / treatment failure)
868
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Lakewood Shores Improvement Association

Lakewood Shores Improvement Association is a private-owned community water system that delivers drinking water to 868 residents in Wilmington, Illinois (Will County) through 248 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 248 total violations for this system , of which 169 (68%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 46 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.

The most frequently cited contaminant at this system is Combined Radium (-226 and -228), recorded in 100 violations (MCL, health-based). 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. Statewide, 199 of 487 UCMR5-tested systems have reported PFAS detections (40.9%).

Lakewood Shores Improvement Association's 248 violations sit above the Illinois average.

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
868
Total Violations
248
Health-Based Violations
169
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Private
Connections
248
County
Will
School/Daycare
No
MCL Violations
169
Monitoring Violations
46
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Combined Radium (-226 and -228) MCL 100 2003
Gross Alpha, Excl. Radon and U MCL 61 1999
Coliform (TCR) MR 14 1993
Total Haloacetic Acids (HAA5) MR 12 2025
Coliform (TCR) MCL 8 1993
Toluene MR 6 2003
Consumer Confidence Rule Other 5 2025
Public Notice Other 4 2004
TTHM MR 4 2023
Combined Radium (-226 and -228) MR 3 2003
Xylenes, Total MR 3 2003
Ethylbenzene MR 3 2003
LEAD AND COPPER RULE REVISIONS RPT 2 2025
Gross Alpha, Excl. Radon and U MR 1 1977

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 Lakewood Shores Improvement 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 IL1975930 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 Lakewood Shores Improvement 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
2025 Total Haloacetic Acids (HAA5) MR 12 SDWIS / IL1975930 / 2456
2025 Consumer Confidence Rule Other 5 SDWIS / IL1975930 / 7000
2025 LEAD AND COPPER RULE REVISIONS RPT 2 SDWIS / IL1975930 / 5200
2023 TTHM MR 4 SDWIS / IL1975930 / 2950
2004 Public Notice Other 4 SDWIS / IL1975930 / 7500
2003 Combined Radium (-226 and -228) MCL 100 SDWIS / IL1975930 / 4010
2003 Toluene MR 6 SDWIS / IL1975930 / 2991
2003 Combined Radium (-226 and -228) MR 3 SDWIS / IL1975930 / 4010
2003 Xylenes, Total MR 3 SDWIS / IL1975930 / 2955
2003 Ethylbenzene MR 3 SDWIS / IL1975930 / 2992
1999 Gross Alpha, Excl. Radon and U MCL 61 SDWIS / IL1975930 / 4000
1993 Coliform (TCR) MR 14 SDWIS / IL1975930 / 3100
1993 Coliform (TCR) MCL 8 SDWIS / IL1975930 / 3100
1977 Gross Alpha, Excl. Radon and U MR 1 SDWIS / IL1975930 / 4000

How Lakewood Shores Improvement Association Compares

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

Metric Lakewood Shores Improvement Association Illinois avg Federal benchmark
Total violations 248 69.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 169 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 868 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 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Lakewood Shores Improvement Association water safe to drink? ▼
Lakewood Shores Improvement Association (PWS ID: IL1975930) has 248 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 868 people using Surface Water sources.
How many people does Lakewood Shores Improvement Association serve? ▼
Lakewood Shores Improvement Association serves 868 people in Wilmington, Illinois. It is a Private-owned system using Surface Water water sources with 248 service connections.
What type of violations does Lakewood Shores Improvement Association have? ▼
Lakewood Shores Improvement Association has 248 total violations: 169 health-based violations (MCL exceedances or treatment failures), 46 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Lakewood Shores Improvement Association water? ▼
No PFAS testing data is available for Lakewood Shores Improvement Association under the EPA's UCMR5 monitoring program.
What water source does Lakewood Shores Improvement Association use? ▼
Lakewood Shores Improvement Association uses Surface Water 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.
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.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.