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Community Water System · PWS IL1630550

Fayetteville

Swansea, Illinois 62226 - drinking water served from surface water sources to 441 people, tracked in EPA SDWIS and UCMR5.

441
People served
171
EPA violations
14
Health-based
Untested
UCMR5 result

The verdict

EPA records 171 drinking-water violations at Fayetteville, 8% of them health-based - above the Illinois per-system average.

171
Total EPA violations on record
8%
Health-based (MCL / treatment failure)
441
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Fayetteville

Fayetteville is a local-owned community water system that delivers drinking water to 441 residents in Swansea, Illinois (St. Clair County) through 164 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 171 total violations for this system , of which 14 (8%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 147 monitoring and reporting violations are on file. The most recent violation on record dates to 2014.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 32 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%).

Fayetteville's 171 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
441
Total Violations
171
Health-Based Violations
14
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
164
County
St. Clair
School/Daycare
No
MCL Violations
2
Monitoring Violations
147
Treatment Tech Violations
12

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 32 2011
Public Notice Other 8 2014
Lead and Copper Rule TT 8 2013
Xylenes, Total MR 6 1993
1,1-Dichloroethylene MR 6 1993
1,2-Dichloroethane MR 6 1993
1,2-Dichloropropane MR 6 1993
Trichloroethylene MR 6 1993
Tetrachloroethylene MR 6 1993
Benzene MR 6 1993
Ethylbenzene MR 6 1993
Styrene MR 6 1993
CHLOROBENZENE MR 6 1993
Nitrate MR 6 1993
Toluene MR 6 1993
1,1,1-Trichloroethane MR 6 1993
o-Dichlorobenzene MR 6 1993
cis-1,2-Dichloroethylene MR 6 1993
Carbon tetrachloride MR 6 1993
p-Dichlorobenzene MR 6 1993
trans-1,2-Dichloroethylene MR 6 1993
Chlorine MR 4 2011
Long Term 2 Enhanced Surface Water Treatment Rule TT 4 2014
Lead and Copper Rule MR 2 1994
Coliform (TCR) MCL 2 2000
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 Fayetteville.

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 IL1630550 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 Fayetteville 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
2014 Public Notice Other 8 SDWIS / IL1630550 / 7500
2014 Long Term 2 Enhanced Surface Water Treatment Rule TT 4 SDWIS / IL1630550 / 0800
2013 Lead and Copper Rule TT 8 SDWIS / IL1630550 / 5000
2011 Coliform (TCR) MR 32 SDWIS / IL1630550 / 3100
2011 Chlorine MR 4 SDWIS / IL1630550 / 0999
2000 Coliform (TCR) MCL 2 SDWIS / IL1630550 / 3100
1994 Lead and Copper Rule MR 2 SDWIS / IL1630550 / 5000
1993 Xylenes, Total MR 6 SDWIS / IL1630550 / 2955
1993 1,1-Dichloroethylene MR 6 SDWIS / IL1630550 / 2977
1993 1,2-Dichloroethane MR 6 SDWIS / IL1630550 / 2980
1993 1,2-Dichloropropane MR 6 SDWIS / IL1630550 / 2983
1993 Trichloroethylene MR 6 SDWIS / IL1630550 / 2984
1993 Tetrachloroethylene MR 6 SDWIS / IL1630550 / 2987
1993 Benzene MR 6 SDWIS / IL1630550 / 2990
1993 Ethylbenzene MR 6 SDWIS / IL1630550 / 2992

How Fayetteville Compares

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

Metric Fayetteville Illinois avg Federal benchmark
Total violations 171 69.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 14 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 441 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 Fayetteville water safe to drink? ▼
Fayetteville (PWS ID: IL1630550) has 171 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 441 people using Surface Water sources.
How many people does Fayetteville serve? ▼
Fayetteville serves 441 people in Swansea, Illinois. It is a Local-owned system using Surface Water water sources with 164 service connections.
What type of violations does Fayetteville have? ▼
Fayetteville has 171 total violations: 14 health-based violations (MCL exceedances or treatment failures), 147 monitoring/reporting violations, and 12 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Fayetteville water? ▼
No PFAS testing data is available for Fayetteville under the EPA's UCMR5 monitoring program.
What water source does Fayetteville use? ▼
Fayetteville uses Surface Water 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.