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Community Water System · PWS IL1235125

Autumn Ridge Estates

Lowell, Illinois 49331 - drinking water served from groundwater sources to 68 people, tracked in EPA SDWIS and UCMR5.

68
People served
148
EPA violations
96
Health-based
Untested
UCMR5 result

The verdict

EPA records 148 drinking-water violations at Autumn Ridge Estates, 65% of them health-based - above the Illinois per-system average.

148
Total EPA violations on record
65%
Health-based (MCL / treatment failure)
68
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Autumn Ridge Estates

Autumn Ridge Estates is a private-owned community water system that delivers drinking water to 68 residents in Lowell, Illinois (Marshall County) through 34 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 148 total violations for this system , of which 96 (65%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 34 monitoring and reporting violations are on file. The most recent violation on record dates to 2015.

The most frequently cited contaminant at this system is Nitrate, recorded in 90 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, 123 of 487 UCMR5-tested systems have reported PFAS detections (25.3%).

Autumn Ridge Estates's 148 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
68
Total Violations
148
Health-Based Violations
96
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
34
County
Marshall
School/Daycare
No
MCL Violations
96
Monitoring Violations
34
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Nitrate MCL 90 2014
Nitrate-Nitrite MCL 6 2000
Mercury MR 4 1987
Nitrate MR 4 1987
Arsenic MR 4 1987
Barium MR 4 1987
Cadmium MR 4 1987
Chromium MR 4 1987
Fluoride MR 4 1987
Selenium MR 4 1987
Consumer Confidence Rule Other 4 2015
Coliform (TCR) MR 2 1999

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 Autumn Ridge Estates.

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 IL1235125 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 Autumn Ridge Estates 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
2015 Consumer Confidence Rule Other 4 SDWIS / IL1235125 / 7000
2014 Nitrate MCL 90 SDWIS / IL1235125 / 1040
2000 Nitrate-Nitrite MCL 6 SDWIS / IL1235125 / 1038
1999 Coliform (TCR) MR 2 SDWIS / IL1235125 / 3100
1987 Mercury MR 4 SDWIS / IL1235125 / 1035
1987 Nitrate MR 4 SDWIS / IL1235125 / 1040
1987 Arsenic MR 4 SDWIS / IL1235125 / 1005
1987 Barium MR 4 SDWIS / IL1235125 / 1010
1987 Cadmium MR 4 SDWIS / IL1235125 / 1015
1987 Chromium MR 4 SDWIS / IL1235125 / 1020
1987 Fluoride MR 4 SDWIS / IL1235125 / 1025
1987 Selenium MR 4 SDWIS / IL1235125 / 1045

How Autumn Ridge Estates Compares

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

Metric Autumn Ridge Estates Illinois avg Federal benchmark
Total violations 148 69.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 96 10.3 Indicates a contaminant exceeded a federal MCL
PFAS detection None 25.3% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 68 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 Autumn Ridge Estates water safe to drink? ▼
Autumn Ridge Estates (PWS ID: IL1235125) has 148 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 68 people using Groundwater sources.
How many people does Autumn Ridge Estates serve? ▼
Autumn Ridge Estates serves 68 people in Lowell, Illinois. It is a Private-owned system using Groundwater water sources with 34 service connections.
What type of violations does Autumn Ridge Estates have? ▼
Autumn Ridge Estates has 148 total violations: 96 health-based violations (MCL exceedances or treatment failures), 34 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Autumn Ridge Estates water? ▼
No PFAS testing data is available for Autumn Ridge Estates under the EPA's UCMR5 monitoring program.
What water source does Autumn Ridge Estates use? ▼
Autumn Ridge Estates 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.