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Transient Non-Community Water System · PWS IL3140194

St Patrick Missionary Church

St. Charles, Illinois 60175 - drinking water served from groundwater sources to 80 people, tracked in EPA SDWIS and UCMR5.

80
People served
67
EPA violations
0
Health-based
Untested
UCMR5 result

The verdict

EPA records 67 drinking-water violations at St Patrick Missionary Church - below the Illinois per-system average.

67
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
80
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: St Patrick Missionary Church

St Patrick Missionary Church is a private-owned transient non-community water system that delivers drinking water to 80 residents in St. Charles, Illinois (Kane County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 67 total violations for this system , of which 0 (0%) 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 Nitrate, recorded in 11 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, 123 of 487 UCMR5-tested systems have reported PFAS detections (25.3%).

St Patrick Missionary Church's 67 violations sit below 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
80
Total Violations
67
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Transient Non-Community
Owner Type
Private
Connections
1
County
Kane
School/Daycare
Yes
MCL Violations
0
Monitoring Violations
65
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Nitrate MR 11 2024
Revised Total Coliform Rule MON 10 2021
1,2-Dichloroethane MR 2 2006
1,2,4-Trichlorobenzene MR 2 2006
Carbon tetrachloride MR 2 2006
1,2-Dichloropropane MR 2 2006
1,1,2-Trichloroethane MR 2 2006
CHLOROBENZENE MR 2 2006
Benzene MR 2 2006
Toluene MR 2 2006
Ethylbenzene MR 2 2006
Styrene MR 2 2006
o-Dichlorobenzene MR 2 2006
1,1-Dichloroethylene MR 2 2006
trans-1,2-Dichloroethylene MR 2 2006
1,1,1-Trichloroethane MR 2 2006
cis-1,2-Dichloroethylene MR 2 2006
Vinyl chloride MR 2 2006
Trichloroethylene MR 2 2006
p-Dichlorobenzene MR 2 2006
Tetrachloroethylene MR 2 2006
Public Notice Other 2 2022
Xylenes, Total MR 2 2006
Coliform (TCR) MR 2 2006
DICHLOROMETHANE MR 2 2006

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 Patrick Missionary Church.

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 IL3140194 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 Patrick Missionary Church 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 Nitrate MR 11 SDWIS / IL3140194 / 1040
2022 Public Notice Other 2 SDWIS / IL3140194 / 7500
2021 Revised Total Coliform Rule MON 10 SDWIS / IL3140194 / 8000
2006 1,2-Dichloroethane MR 2 SDWIS / IL3140194 / 2980
2006 1,2,4-Trichlorobenzene MR 2 SDWIS / IL3140194 / 2378
2006 Carbon tetrachloride MR 2 SDWIS / IL3140194 / 2982
2006 1,2-Dichloropropane MR 2 SDWIS / IL3140194 / 2983
2006 1,1,2-Trichloroethane MR 2 SDWIS / IL3140194 / 2985
2006 CHLOROBENZENE MR 2 SDWIS / IL3140194 / 2989
2006 Benzene MR 2 SDWIS / IL3140194 / 2990
2006 Toluene MR 2 SDWIS / IL3140194 / 2991
2006 Ethylbenzene MR 2 SDWIS / IL3140194 / 2992
2006 Styrene MR 2 SDWIS / IL3140194 / 2996
2006 o-Dichlorobenzene MR 2 SDWIS / IL3140194 / 2968
2006 1,1-Dichloroethylene MR 2 SDWIS / IL3140194 / 2977

How St Patrick Missionary Church Compares

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

Metric St Patrick Missionary Church Illinois avg Federal benchmark
Total violations 67 69.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 0 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 80 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 St Patrick Missionary Church water safe to drink? ▼
St Patrick Missionary Church (PWS ID: IL3140194) has 67 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 80 people using Groundwater sources.
How many people does St Patrick Missionary Church serve? ▼
St Patrick Missionary Church serves 80 people in St. Charles, Illinois. It is a Private-owned system using Groundwater water sources with 1 service connections.
What type of violations does St Patrick Missionary Church have? ▼
St Patrick Missionary Church has 67 total violations: 0 health-based violations (MCL exceedances or treatment failures), 65 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in St Patrick Missionary Church water? ▼
No PFAS testing data is available for St Patrick Missionary Church under the EPA's UCMR5 monitoring program.
What water source does St Patrick Missionary Church use? ▼
St Patrick Missionary Church uses Groundwater as its primary water source. It is classified as a Transient Non-Community Water System, serving transient populations.
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.