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Community Water System · PWS IL0895285

Margarets HI-Acre MHP

Aurora, Illinois 60505 - drinking water served from groundwater sources to 300 people, tracked in EPA SDWIS and UCMR5.

300
People served
190
EPA violations
79
Health-based
Untested
UCMR5 result

The verdict

EPA records 190 drinking-water violations at Margarets HI-Acre MHP, 42% of them health-based - above the Illinois per-system average.

190
Total EPA violations on record
42%
Health-based (MCL / treatment failure)
300
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Margarets HI-Acre MHP

Margarets HI-Acre MHP is a private-owned community water system that delivers drinking water to 300 residents in Aurora, Illinois (Kane County) through 100 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 190 total violations for this system , of which 79 (42%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 105 monitoring and reporting violations are on file. The most recent violation on record dates to 2004.

The most frequently cited contaminant at this system is Combined Radium (-226 and -228), recorded in 63 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%).

Margarets HI-Acre MHP's 190 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
300
Total Violations
190
Health-Based Violations
79
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
100
County
Kane
School/Daycare
No
MCL Violations
79
Monitoring Violations
105
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Combined Radium (-226 and -228) MCL 63 2004
Coliform (TCR) MR 23 1999
Coliform (TCR) MCL 16 1999
cis-1,2-Dichloroethylene MR 4 1994
o-Dichlorobenzene MR 4 1994
p-Dichlorobenzene MR 4 1994
1,1-Dichloroethylene MR 4 1994
1,2-Dichloroethane MR 4 1994
1,1,1-Trichloroethane MR 4 1994
Carbon tetrachloride MR 4 1994
1,2-Dichloropropane MR 4 1994
Tetrachloroethylene MR 4 1994
CHLOROBENZENE MR 4 1994
Benzene MR 4 1994
Ethylbenzene MR 4 1994
Styrene MR 4 1994
DICHLOROMETHANE MR 4 1994
1,1,2-Trichloroethane MR 4 1994
trans-1,2-Dichloroethylene MR 4 1994
1,2,4-Trichlorobenzene MR 4 1994
Toluene MR 4 1994
Xylenes, Total MR 4 1994
Trichloroethylene MR 4 1994
Combined Radium (-226 and -228) MR 1 1996
Gross Alpha, Excl. Radon and U MR 1 1996

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 Margarets HI-Acre MHP.

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 IL0895285 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 Margarets HI-Acre MHP 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
2004 Combined Radium (-226 and -228) MCL 63 SDWIS / IL0895285 / 4010
1999 Coliform (TCR) MR 23 SDWIS / IL0895285 / 3100
1999 Coliform (TCR) MCL 16 SDWIS / IL0895285 / 3100
1996 Combined Radium (-226 and -228) MR 1 SDWIS / IL0895285 / 4010
1996 Gross Alpha, Excl. Radon and U MR 1 SDWIS / IL0895285 / 4000
1994 cis-1,2-Dichloroethylene MR 4 SDWIS / IL0895285 / 2380
1994 o-Dichlorobenzene MR 4 SDWIS / IL0895285 / 2968
1994 p-Dichlorobenzene MR 4 SDWIS / IL0895285 / 2969
1994 1,1-Dichloroethylene MR 4 SDWIS / IL0895285 / 2977
1994 1,2-Dichloroethane MR 4 SDWIS / IL0895285 / 2980
1994 1,1,1-Trichloroethane MR 4 SDWIS / IL0895285 / 2981
1994 Carbon tetrachloride MR 4 SDWIS / IL0895285 / 2982
1994 1,2-Dichloropropane MR 4 SDWIS / IL0895285 / 2983
1994 Tetrachloroethylene MR 4 SDWIS / IL0895285 / 2987
1994 CHLOROBENZENE MR 4 SDWIS / IL0895285 / 2989

How Margarets HI-Acre MHP Compares

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

Metric Margarets HI-Acre MHP Illinois avg Federal benchmark
Total violations 190 69.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 79 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 300 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 Margarets HI-Acre MHP water safe to drink? ▼
Margarets HI-Acre MHP (PWS ID: IL0895285) has 190 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 300 people using Groundwater sources.
How many people does Margarets HI-Acre MHP serve? ▼
Margarets HI-Acre MHP serves 300 people in Aurora, Illinois. It is a Private-owned system using Groundwater water sources with 100 service connections.
What type of violations does Margarets HI-Acre MHP have? ▼
Margarets HI-Acre MHP has 190 total violations: 79 health-based violations (MCL exceedances or treatment failures), 105 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Margarets HI-Acre MHP water? ▼
No PFAS testing data is available for Margarets HI-Acre MHP under the EPA's UCMR5 monitoring program.
What water source does Margarets HI-Acre MHP use? ▼
Margarets HI-Acre MHP 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.
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.