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Community Water System · PWS IL0735470

Timber Ridge Sbdv

Coal Valley, Illinois 61240 - drinking water served from groundwater sources to 90 people, tracked in EPA SDWIS and UCMR5.

90
People served
105
EPA violations
17
Health-based
Untested
UCMR5 result

The verdict

EPA records 105 drinking-water violations at Timber Ridge Sbdv, 16% of them health-based - above the Illinois per-system average.

105
Total EPA violations on record
16%
Health-based (MCL / treatment failure)
90
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Timber Ridge Sbdv

Timber Ridge Sbdv is a private-owned community water system that delivers drinking water to 90 residents in Coal Valley, Illinois (Henry County) through 37 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 105 total violations for this system , of which 17 (16%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 58 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 12 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%).

Timber Ridge Sbdv's 105 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
90
Total Violations
105
Health-Based Violations
17
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
37
County
Henry
School/Daycare
No
MCL Violations
12
Monitoring Violations
58
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 12 2011
Coliform (TCR) MR 11 2011
Public Notice Other 5 2011
Chlorine MRDL 5 2008
Barium MR 3 1998
Nickel MR 3 1998
Thallium, Total MR 3 1998
Consumer Confidence Rule Other 3 2025
TTHM MR 3 2024
Total Haloacetic Acids (HAA5) MR 3 2024
CYANIDE MR 3 1998
Arsenic MR 3 1998
Antimony, Total MR 3 1998
Cadmium MR 3 1998
Beryllium, Total MR 3 1998
Chromium MR 3 1998
Selenium MR 3 1998
Fluoride MR 3 1998
Mercury MR 3 1998
Chlorine MR 2 2007
Lead and Copper Rule MR 2 2021
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 Timber Ridge Sbdv.

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 IL0735470 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 Timber Ridge Sbdv 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 Consumer Confidence Rule Other 3 SDWIS / IL0735470 / 7000
2024 TTHM MR 3 SDWIS / IL0735470 / 2950
2024 Total Haloacetic Acids (HAA5) MR 3 SDWIS / IL0735470 / 2456
2021 Lead and Copper Rule MR 2 SDWIS / IL0735470 / 5000
2011 Coliform (TCR) MCL 12 SDWIS / IL0735470 / 3100
2011 Coliform (TCR) MR 11 SDWIS / IL0735470 / 3100
2011 Public Notice Other 5 SDWIS / IL0735470 / 7500
2008 Chlorine MRDL 5 SDWIS / IL0735470 / 0999
2007 Chlorine MR 2 SDWIS / IL0735470 / 0999
1998 Barium MR 3 SDWIS / IL0735470 / 1010
1998 Nickel MR 3 SDWIS / IL0735470 / 1036
1998 Thallium, Total MR 3 SDWIS / IL0735470 / 1085
1998 CYANIDE MR 3 SDWIS / IL0735470 / 1024
1998 Arsenic MR 3 SDWIS / IL0735470 / 1005
1998 Antimony, Total MR 3 SDWIS / IL0735470 / 1074

How Timber Ridge Sbdv Compares

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

Metric Timber Ridge Sbdv Illinois avg Federal benchmark
Total violations 105 69.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 17 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 90 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 Timber Ridge Sbdv water safe to drink? ▼
Timber Ridge Sbdv (PWS ID: IL0735470) has 105 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 90 people using Groundwater sources.
How many people does Timber Ridge Sbdv serve? ▼
Timber Ridge Sbdv serves 90 people in Coal Valley, Illinois. It is a Private-owned system using Groundwater water sources with 37 service connections.
What type of violations does Timber Ridge Sbdv have? ▼
Timber Ridge Sbdv has 105 total violations: 17 health-based violations (MCL exceedances or treatment failures), 58 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Timber Ridge Sbdv water? ▼
No PFAS testing data is available for Timber Ridge Sbdv under the EPA's UCMR5 monitoring program.
What water source does Timber Ridge Sbdv use? ▼
Timber Ridge Sbdv 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.