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Community Water System · PWS IL1135100

Colonial Meadows Water Company

Bloomington, Illinois 61701 - drinking water served from groundwater sources to 190 people, tracked in EPA SDWIS and UCMR5.

190
People served
376
EPA violations
29
Health-based
Untested
UCMR5 result

The verdict

EPA records 376 drinking-water violations at Colonial Meadows Water Company, 8% of them health-based - above the Illinois per-system average.

376
Total EPA violations on record
8%
Health-based (MCL / treatment failure)
190
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Colonial Meadows Water Company

Colonial Meadows Water Company is a private-owned community water system that delivers drinking water to 190 residents in Bloomington, Illinois (McLean County) through 82 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 376 total violations for this system , of which 29 (8%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 206 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 Chlorine, recorded in 64 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%).

Colonial Meadows Water Company's 376 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
190
Total Violations
376
Health-Based Violations
29
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
82
County
McLean
School/Daycare
No
MCL Violations
27
Monitoring Violations
206
Treatment Tech Violations
2

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Chlorine MR 64 2022
Public Notice Other 55 2025
Coliform (TCR) MR 49 2013
Consumer Confidence Rule Other 37 2025
Combined Radium (-226 and -228) MR 35 2008
Lead and Copper Rule MR 32 2020
Arsenic MCL 25 2019
Nitrate MR 17 2008
Arsenic MR 4 2021
Revised Total Coliform Rule MON 4 2022
LEAD AND COPPER RULE REVISIONS RPT 4 2025
Coliform (TCR) MCL 2 1999
LEAD AND COPPER RULE REVISIONS TT 2 2024
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 Colonial Meadows Water Company.

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 IL1135100 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 Colonial Meadows Water Company 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 Public Notice Other 55 SDWIS / IL1135100 / 7500
2025 Consumer Confidence Rule Other 37 SDWIS / IL1135100 / 7000
2025 LEAD AND COPPER RULE REVISIONS RPT 4 SDWIS / IL1135100 / 5200
2024 LEAD AND COPPER RULE REVISIONS TT 2 SDWIS / IL1135100 / 5200
2022 Chlorine MR 64 SDWIS / IL1135100 / 0999
2022 Revised Total Coliform Rule MON 4 SDWIS / IL1135100 / 8000
2021 Arsenic MR 4 SDWIS / IL1135100 / 1005
2020 Lead and Copper Rule MR 32 SDWIS / IL1135100 / 5000
2019 Arsenic MCL 25 SDWIS / IL1135100 / 1005
2013 Coliform (TCR) MR 49 SDWIS / IL1135100 / 3100
2008 Combined Radium (-226 and -228) MR 35 SDWIS / IL1135100 / 4010
2008 Nitrate MR 17 SDWIS / IL1135100 / 1040
1999 Coliform (TCR) MCL 2 SDWIS / IL1135100 / 3100
1977 Gross Alpha, Excl. Radon and U MR 1 SDWIS / IL1135100 / 4000

How Colonial Meadows Water Company Compares

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

Metric Colonial Meadows Water Company Illinois avg Federal benchmark
Total violations 376 69.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 29 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 190 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 Colonial Meadows Water Company water safe to drink? ▼
Colonial Meadows Water Company (PWS ID: IL1135100) has 376 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 190 people using Groundwater sources.
How many people does Colonial Meadows Water Company serve? ▼
Colonial Meadows Water Company serves 190 people in Bloomington, Illinois. It is a Private-owned system using Groundwater water sources with 82 service connections.
What type of violations does Colonial Meadows Water Company have? ▼
Colonial Meadows Water Company has 376 total violations: 29 health-based violations (MCL exceedances or treatment failures), 206 monitoring/reporting violations, and 2 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Colonial Meadows Water Company water? ▼
No PFAS testing data is available for Colonial Meadows Water Company under the EPA's UCMR5 monitoring program.
What water source does Colonial Meadows Water Company use? ▼
Colonial Meadows Water Company 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.