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Community Water System · PWS IL1615530

Hillsdale Estates, LLC

Beaufort, Illinois 29907 - drinking water served from groundwater sources to 163 people, tracked in EPA SDWIS and UCMR5.

163
People served
656
EPA violations
0
Health-based
Untested
UCMR5 result

The verdict

EPA records 656 drinking-water violations at Hillsdale Estates, LLC - above the Illinois per-system average.

656
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
163
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Hillsdale Estates, LLC

Hillsdale Estates, LLC is a private-owned community water system that delivers drinking water to 163 residents in Beaufort, Illinois (Rock Island County) through 65 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 656 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 602 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 Coliform (TCR), recorded in 83 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. Statewide, 199 of 487 UCMR5-tested systems have reported PFAS detections (40.9%).

Hillsdale Estates, LLC's 656 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
163
Total Violations
656
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
65
County
Rock Island
School/Daycare
No
MCL Violations
0
Monitoring Violations
602
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 83 2003
1,1-Dichloroethylene MR 14 1993
1,2-Dichloroethane MR 14 1993
Benzene MR 14 1993
p-Dichlorobenzene MR 14 1993
Carbon tetrachloride MR 14 1993
1,1,1-Trichloroethane MR 14 1993
Trichloroethylene MR 13 1993
cis-1,2-Dichloroethylene MR 12 1993
trans-1,2-Dichloroethylene MR 12 1993
Ethylbenzene MR 12 1993
CHLOROBENZENE MR 12 1993
Toluene MR 12 1993
Styrene MR 12 1993
o-Dichlorobenzene MR 12 1993
Xylenes, Total MR 12 1993
1,2-Dichloropropane MR 12 1993
Tetrachloroethylene MR 12 1993
Nitrate MR 11 1993
Mercury MR 10 1990
Barium MR 10 1990
Fluoride MR 10 1990
Selenium MR 10 1990
Toxaphene MR 10 1994
2,4-D MR 10 1994
BHC-GAMMA MR 10 1994
2,4,5-TP MR 10 1994
Methoxychlor MR 10 1994
Arsenic MR 10 1990
Chromium MR 10 1990

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 Hillsdale Estates, LLC.

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 IL1615530 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 Hillsdale Estates, LLC 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 Chlorine MR 9 SDWIS / IL1615530 / 0999
2025 Revised Total Coliform Rule MON 2 SDWIS / IL1615530 / 8000
2017 Consumer Confidence Rule Other 2 SDWIS / IL1615530 / 7000
2003 Coliform (TCR) MR 83 SDWIS / IL1615530 / 3100
1994 Toxaphene MR 10 SDWIS / IL1615530 / 2020
1994 2,4-D MR 10 SDWIS / IL1615530 / 2105
1994 BHC-GAMMA MR 10 SDWIS / IL1615530 / 2010
1994 2,4,5-TP MR 10 SDWIS / IL1615530 / 2110
1994 Methoxychlor MR 10 SDWIS / IL1615530 / 2015
1994 Carbofuran MR 8 SDWIS / IL1615530 / 2046
1994 Heptachlor epoxide MR 8 SDWIS / IL1615530 / 2067
1994 Pentachlorophenol MR 8 SDWIS / IL1615530 / 2326
1994 Total Polychlorinated Biphenyls (PCB) MR 8 SDWIS / IL1615530 / 2383
1994 1,2-DIBROMO-3-CHLOROPROPANE MR 8 SDWIS / IL1615530 / 2931
1994 Chlordane MR 8 SDWIS / IL1615530 / 2959

How Hillsdale Estates, LLC Compares

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

Metric Hillsdale Estates, LLC Illinois avg Federal benchmark
Total violations 656 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 163 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 Hillsdale Estates, LLC water safe to drink? ▼
Hillsdale Estates, LLC (PWS ID: IL1615530) has 656 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 163 people using Groundwater sources.
How many people does Hillsdale Estates, LLC serve? ▼
Hillsdale Estates, LLC serves 163 people in Beaufort, Illinois. It is a Private-owned system using Groundwater water sources with 65 service connections.
What type of violations does Hillsdale Estates, LLC have? ▼
Hillsdale Estates, LLC has 656 total violations: 0 health-based violations (MCL exceedances or treatment failures), 602 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Hillsdale Estates, LLC water? ▼
No PFAS testing data is available for Hillsdale Estates, LLC under the EPA's UCMR5 monitoring program.
What water source does Hillsdale Estates, LLC use? ▼
Hillsdale Estates, LLC 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.