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Community Water System · PWS IL0990650

North Utica

Utica, Illinois 61373 - drinking water served from groundwater sources to 1,400 people, tracked in EPA SDWIS and UCMR5.

1,400
People served
254
EPA violations
159
Health-based
Untested
UCMR5 result

The verdict

EPA records 254 drinking-water violations at North Utica, 63% of them health-based - above the Illinois per-system average.

254
Total EPA violations on record
63%
Health-based (MCL / treatment failure)
1,400
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: North Utica

North Utica is a local-owned community water system that delivers drinking water to 1,400 residents in Utica, Illinois (LaSalle County) through 573 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 254 total violations for this system , of which 159 (63%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 65 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is Combined Radium (-226 and -228), recorded in 154 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%).

North Utica's 254 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
1,400
Total Violations
254
Health-Based Violations
159
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
573
County
LaSalle
School/Daycare
No
MCL Violations
154
Monitoring Violations
65
Treatment Tech Violations
5

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Combined Radium (-226 and -228) MCL 154 2012
Combined Radium (-226 and -228) MR 17 2024
Public Notice Other 11 2023
Nitrate MR 8 2010
Consumer Confidence Rule Other 6 2005
Coliform (TCR) MR 6 2007
Lead and Copper Rule TT 5 2004
Lead and Copper Rule MR 4 2022
Dinoseb MR 4 2020
Pentachlorophenol MR 4 2020
2,4,5-TP MR 4 2020
Picloram MR 4 2020
Diquat MR 4 2020
2,4-D MR 4 2020
Dalapon MR 4 2020
Gross Alpha, Excl. Radon and U MR 2 1997

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 North Utica.

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 IL0990650 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 North Utica 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
2024 Combined Radium (-226 and -228) MR 17 SDWIS / IL0990650 / 4010
2023 Public Notice Other 11 SDWIS / IL0990650 / 7500
2022 Lead and Copper Rule MR 4 SDWIS / IL0990650 / 5000
2020 Dinoseb MR 4 SDWIS / IL0990650 / 2041
2020 Pentachlorophenol MR 4 SDWIS / IL0990650 / 2326
2020 2,4,5-TP MR 4 SDWIS / IL0990650 / 2110
2020 Picloram MR 4 SDWIS / IL0990650 / 2040
2020 Diquat MR 4 SDWIS / IL0990650 / 2032
2020 2,4-D MR 4 SDWIS / IL0990650 / 2105
2020 Dalapon MR 4 SDWIS / IL0990650 / 2031
2012 Combined Radium (-226 and -228) MCL 154 SDWIS / IL0990650 / 4010
2010 Nitrate MR 8 SDWIS / IL0990650 / 1040
2007 Coliform (TCR) MR 6 SDWIS / IL0990650 / 3100
2005 Consumer Confidence Rule Other 6 SDWIS / IL0990650 / 7000
2004 Lead and Copper Rule TT 5 SDWIS / IL0990650 / 5000

How North Utica Compares

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

Metric North Utica Illinois avg Federal benchmark
Total violations 254 69.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 159 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 1,400 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 North Utica water safe to drink? ▼
North Utica (PWS ID: IL0990650) has 254 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 1,400 people using Groundwater sources.
How many people does North Utica serve? ▼
North Utica serves 1,400 people in Utica, Illinois. It is a Local-owned system using Groundwater water sources with 573 service connections.
What type of violations does North Utica have? ▼
North Utica has 254 total violations: 159 health-based violations (MCL exceedances or treatment failures), 65 monitoring/reporting violations, and 5 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in North Utica water? ▼
No PFAS testing data is available for North Utica under the EPA's UCMR5 monitoring program.
What water source does North Utica use? ▼
North Utica 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.