PlainWater

ST ANNE

PWS ID: IL0910700 · ST ANNE, Illinois 60964

ST ANNE serves 1,200 people in ST ANNE, Illinois using Groundwater water sources. It has 51 recorded EPA violations, including 6 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: ST ANNE

ST ANNE is a local-owned community water system that delivers drinking water to 1,200 residents in ST ANNE, Illinois (Kankakee County) through 453 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 51 total violations for this system , of which 6 (12%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 28 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 Consumer Confidence Rule, recorded in 10 violations (Other). 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. ST ANNE's 51 violations sit below the Illinois average. Statewide, 199 of 487 UCMR5-tested systems have reported PFAS detections (40.9%). 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
1,200
Total Violations
51
Health-Based Violations
6
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
453
County
Kankakee
School/Daycare
No
MCL Violations
4
Monitoring Violations
28
Treatment Tech Violations
2

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Consumer Confidence Rule Other 10 2021
Coliform (TCR) MR 9 2001
Total Haloacetic Acids (HAA5) MR 5 2025
TTHM MR 5 2025
Coliform (TCR) MCL 4 2001
Total Polychlorinated Biphenyls (PCB) MR 4 2020
Lead and Copper Rule MR 4 2025
Lead and Copper Rule TT 2 2011
Public Notice Other 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 ST ANNE.

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 IL0910700 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 ST ANNE 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 Total Haloacetic Acids (HAA5) MR 5 SDWIS / IL0910700 / 2456
2025 TTHM MR 5 SDWIS / IL0910700 / 2950
2025 Lead and Copper Rule MR 4 SDWIS / IL0910700 / 5000
2024 Public Notice Other 2 SDWIS / IL0910700 / 7500
2021 Consumer Confidence Rule Other 10 SDWIS / IL0910700 / 7000
2020 Total Polychlorinated Biphenyls (PCB) MR 4 SDWIS / IL0910700 / 2383
2011 Lead and Copper Rule TT 2 SDWIS / IL0910700 / 5000
2001 Coliform (TCR) MR 9 SDWIS / IL0910700 / 3100
2001 Coliform (TCR) MCL 4 SDWIS / IL0910700 / 3100
1977 Gross Alpha, Excl. Radon and U MR 1 SDWIS / IL0910700 / 4000

How ST ANNE Compares

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

Metric ST ANNE Illinois avg Federal benchmark
Total violations 51 69.4 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 6 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 1,200 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
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is ST ANNE water safe to drink?
ST ANNE (PWS ID: IL0910700) has 51 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 1,200 people using Groundwater sources.
How many people does ST ANNE serve?
ST ANNE serves 1,200 people in ST ANNE, Illinois. It is a Local-owned system using Groundwater water sources with 453 service connections.
What type of violations does ST ANNE have?
ST ANNE has 51 total violations: 6 health-based violations (MCL exceedances or treatment failures), 28 monitoring/reporting violations, and 2 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in ST ANNE water?
No PFAS testing data is available for ST ANNE under the EPA's UCMR5 monitoring program.
What water source does ST ANNE use?
ST ANNE 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.

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Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Related

Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by PlainWater Editorial