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Non-Transient Non-Community Water System · PWS IL3122598

Ferson Creek Elem Schl-Cusd 303

St. Charles, Illinois 60175 - drinking water served from groundwater sources to 667 people, tracked in EPA SDWIS and UCMR5.

667
People served
23
EPA violations
4
Health-based
Untested
UCMR5 result

The verdict

EPA records 23 drinking-water violations at Ferson Creek Elem Schl-Cusd 303, 17% of them health-based - below the Illinois per-system average.

23
Total EPA violations on record
17%
Health-based (MCL / treatment failure)
667
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Ferson Creek Elem Schl-Cusd 303

Ferson Creek Elem Schl-Cusd 303 is a local-owned non-transient non-community water system that delivers drinking water to 667 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 23 total violations for this system , of which 4 (17%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 12 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 5 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%).

Ferson Creek Elem Schl-Cusd 303's 23 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
667
Total Violations
23
Health-Based Violations
4
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Local
Connections
1
County
Kane
School/Daycare
Yes
MCL Violations
0
Monitoring Violations
12
Treatment Tech Violations
4

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 5 2024
Nitrate MR 4 2024
LEAD AND COPPER RULE REVISIONS RPT 4 2024
LEAD AND COPPER RULE REVISIONS TT 4 2024
Revised Total Coliform Rule MON 3 2022
Public Notice Other 2 2024

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 Ferson Creek Elem Schl-Cusd 303.

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 IL3122598 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 Ferson Creek Elem Schl-Cusd 303 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 Lead and Copper Rule MR 5 SDWIS / IL3122598 / 5000
2024 Nitrate MR 4 SDWIS / IL3122598 / 1040
2024 LEAD AND COPPER RULE REVISIONS RPT 4 SDWIS / IL3122598 / 5200
2024 LEAD AND COPPER RULE REVISIONS TT 4 SDWIS / IL3122598 / 5200
2024 Public Notice Other 2 SDWIS / IL3122598 / 7500
2022 Revised Total Coliform Rule MON 3 SDWIS / IL3122598 / 8000

How Ferson Creek Elem Schl-Cusd 303 Compares

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

Metric Ferson Creek Elem Schl-Cusd 303 Illinois avg Federal benchmark
Total violations 23 69.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 4 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 667 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 Ferson Creek Elem Schl-Cusd 303 water safe to drink?
Ferson Creek Elem Schl-Cusd 303 (PWS ID: IL3122598) has 23 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 667 people using Groundwater sources.
How many people does Ferson Creek Elem Schl-Cusd 303 serve?
Ferson Creek Elem Schl-Cusd 303 serves 667 people in St. Charles, Illinois. It is a Local-owned system using Groundwater water sources with 1 service connections.
What type of violations does Ferson Creek Elem Schl-Cusd 303 have?
Ferson Creek Elem Schl-Cusd 303 has 23 total violations: 4 health-based violations (MCL exceedances or treatment failures), 12 monitoring/reporting violations, and 4 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Ferson Creek Elem Schl-Cusd 303 water?
No PFAS testing data is available for Ferson Creek Elem Schl-Cusd 303 under the EPA's UCMR5 monitoring program.
What water source does Ferson Creek Elem Schl-Cusd 303 use?
Ferson Creek Elem Schl-Cusd 303 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.
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.