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Community Water System · PWS IL1830050

Alvin

Alvin, Illinois 61811-0108 - drinking water served from groundwater sources to 270 people, tracked in EPA SDWIS and UCMR5.

270
People served
467
EPA violations
120
Health-based
Untested
UCMR5 result

The verdict

EPA records 467 drinking-water violations at Alvin, 26% of them health-based - above the Illinois per-system average.

467
Total EPA violations on record
26%
Health-based (MCL / treatment failure)
270
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Alvin

Alvin is a local-owned community water system that delivers drinking water to 270 residents in Alvin, Illinois (Vermilion County) through 106 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 467 total violations for this system , of which 120 (26%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 327 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.

The most frequently cited contaminant at this system is Arsenic, recorded in 80 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%).

Alvin's 467 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
270
Total Violations
467
Health-Based Violations
120
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
106
County
Vermilion
School/Daycare
No
MCL Violations
106
Monitoring Violations
327
Treatment Tech Violations
14

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Arsenic MCL 80 2014
Coliform (TCR) MR 48 2009
Coliform (TCR) MCL 26 2009
Lead and Copper Rule TT 12 2003
cis-1,2-Dichloroethylene MR 9 1995
Xylenes, Total MR 9 1995
p-Dichlorobenzene MR 9 1995
1,2-Dichloroethane MR 9 1995
1,1,1-Trichloroethane MR 9 1995
1,2-Dichloropropane MR 9 1995
Trichloroethylene MR 9 1995
Tetrachloroethylene MR 9 1995
Benzene MR 9 1995
Ethylbenzene MR 9 1995
Styrene MR 9 1995
o-Dichlorobenzene MR 9 1995
1,1-Dichloroethylene MR 9 1995
CHLOROBENZENE MR 9 1995
Toluene MR 9 1995
Carbon tetrachloride MR 9 1995
1,2,4-Trichlorobenzene MR 9 1995
DICHLOROMETHANE MR 9 1995
1,1,2-Trichloroethane MR 9 1995
trans-1,2-Dichloroethylene MR 9 1995
Public Notice Other 5 2025
Lead and Copper Rule MR 5 2023
Methoxychlor MR 3 1998
Carbofuran MR 3 1998
Heptachlor epoxide MR 3 1998
2,4-D MR 3 1998

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 Alvin.

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 IL1830050 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 Alvin 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
2025 Public Notice Other 5 SDWIS / IL1830050 / 7500
2025 Consumer Confidence Rule Other 1 SDWIS / IL1830050 / 7000
2024 LEAD AND COPPER RULE REVISIONS RPT 2 SDWIS / IL1830050 / 5200
2024 LEAD AND COPPER RULE REVISIONS TT 2 SDWIS / IL1830050 / 5200
2023 Lead and Copper Rule MR 5 SDWIS / IL1830050 / 5000
2014 Arsenic MCL 80 SDWIS / IL1830050 / 1005
2009 Coliform (TCR) MR 48 SDWIS / IL1830050 / 3100
2009 Coliform (TCR) MCL 26 SDWIS / IL1830050 / 3100
2003 Lead and Copper Rule TT 12 SDWIS / IL1830050 / 5000
1998 Methoxychlor MR 3 SDWIS / IL1830050 / 2015
1998 Carbofuran MR 3 SDWIS / IL1830050 / 2046
1998 Heptachlor epoxide MR 3 SDWIS / IL1830050 / 2067
1998 2,4-D MR 3 SDWIS / IL1830050 / 2105
1998 2,4,5-TP MR 3 SDWIS / IL1830050 / 2110
1998 Pentachlorophenol MR 3 SDWIS / IL1830050 / 2326

How Alvin Compares

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

Metric Alvin Illinois avg Federal benchmark
Total violations 467 69.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 120 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 270 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 Alvin water safe to drink? ▼
Alvin (PWS ID: IL1830050) has 467 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 270 people using Groundwater sources.
How many people does Alvin serve? ▼
Alvin serves 270 people in Alvin, Illinois. It is a Local-owned system using Groundwater water sources with 106 service connections.
What type of violations does Alvin have? ▼
Alvin has 467 total violations: 120 health-based violations (MCL exceedances or treatment failures), 327 monitoring/reporting violations, and 14 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Alvin water? ▼
No PFAS testing data is available for Alvin under the EPA's UCMR5 monitoring program.
What water source does Alvin use? ▼
Alvin 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.