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Non-Transient Non-Community Water System · PWS IL3029298

Cross Lutheran School

Yorkville, Illinois 60560 - drinking water served from groundwater sources to 140 people, tracked in EPA SDWIS and UCMR5.

140
People served
449
EPA violations
1
Health-based
Untested
UCMR5 result

The verdict

EPA records 449 drinking-water violations at Cross Lutheran School - above the Illinois per-system average.

449
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
140
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Cross Lutheran School

Cross Lutheran School is a private-owned non-transient non-community water system that delivers drinking water to 140 residents in Yorkville, Illinois (Kendall County) through 2 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 449 total violations for this system , of which 1 (0%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 447 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 Lead and Copper Rule, recorded in 30 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%).

Cross Lutheran School's 449 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
140
Total Violations
449
Health-Based Violations
1
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
2
County
Kendall
School/Daycare
Yes
MCL Violations
1
Monitoring Violations
447
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 30 2022
Bromate MR 19 2006
Arsenic MR 19 2017
Tetrachloroethylene MR 15 2024
Vinyl chloride MR 13 2022
trans-1,2-Dichloroethylene MR 13 2022
1,2-Dichloroethane MR 13 2022
Carbon tetrachloride MR 13 2022
1,2-Dichloropropane MR 13 2022
Trichloroethylene MR 13 2022
1,1,2-Trichloroethane MR 13 2022
Toluene MR 13 2022
Ethylbenzene MR 13 2022
Nitrate MR 13 2022
1,2,4-Trichlorobenzene MR 13 2022
cis-1,2-Dichloroethylene MR 13 2022
Xylenes, Total MR 13 2022
1,1-Dichloroethylene MR 13 2022
1,1,1-Trichloroethane MR 13 2022
CHLOROBENZENE MR 13 2022
Styrene MR 13 2022
o-Dichlorobenzene MR 13 2022
Benzene MR 13 2022
DICHLOROMETHANE MR 13 2022
p-Dichlorobenzene MR 13 2022
Picloram MR 5 2020
BHC-GAMMA MR 3 2011
Diquat MR 3 2011
Glyphosate MR 3 2011
Simazine MR 3 2011

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 Cross Lutheran School.

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 IL3029298 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 Cross Lutheran School 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 Tetrachloroethylene MR 15 SDWIS / IL3029298 / 2987
2022 Lead and Copper Rule MR 30 SDWIS / IL3029298 / 5000
2022 Vinyl chloride MR 13 SDWIS / IL3029298 / 2976
2022 trans-1,2-Dichloroethylene MR 13 SDWIS / IL3029298 / 2979
2022 1,2-Dichloroethane MR 13 SDWIS / IL3029298 / 2980
2022 Carbon tetrachloride MR 13 SDWIS / IL3029298 / 2982
2022 1,2-Dichloropropane MR 13 SDWIS / IL3029298 / 2983
2022 Trichloroethylene MR 13 SDWIS / IL3029298 / 2984
2022 1,1,2-Trichloroethane MR 13 SDWIS / IL3029298 / 2985
2022 Toluene MR 13 SDWIS / IL3029298 / 2991
2022 Ethylbenzene MR 13 SDWIS / IL3029298 / 2992
2022 Nitrate MR 13 SDWIS / IL3029298 / 1040
2022 1,2,4-Trichlorobenzene MR 13 SDWIS / IL3029298 / 2378
2022 cis-1,2-Dichloroethylene MR 13 SDWIS / IL3029298 / 2380
2022 Xylenes, Total MR 13 SDWIS / IL3029298 / 2955

How Cross Lutheran School Compares

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

Metric Cross Lutheran School Illinois avg Federal benchmark
Total violations 449 69.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 1 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 140 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 Cross Lutheran School water safe to drink? ▼
Cross Lutheran School (PWS ID: IL3029298) has 449 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 140 people using Groundwater sources.
How many people does Cross Lutheran School serve? ▼
Cross Lutheran School serves 140 people in Yorkville, Illinois. It is a Private-owned system using Groundwater water sources with 2 service connections.
What type of violations does Cross Lutheran School have? ▼
Cross Lutheran School has 449 total violations: 1 health-based violations (MCL exceedances or treatment failures), 447 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Cross Lutheran School water? ▼
No PFAS testing data is available for Cross Lutheran School under the EPA's UCMR5 monitoring program.
What water source does Cross Lutheran School use? ▼
Cross Lutheran School uses Groundwater as its primary water source. It is classified as a Non-Transient Non-Community Water System, serving the same people for at least 6 months per year.
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.