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Community Water System · PWS IL0895750

Aurora Community Water Assn

Aurora, Illinois 60505 - drinking water served from groundwater sources to 150 people, tracked in EPA SDWIS and UCMR5.

150
People served
396
EPA violations
0
Health-based
Untested
UCMR5 result

The verdict

EPA records 396 drinking-water violations at Aurora Community Water Assn - above the Illinois per-system average.

396
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
150
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Aurora Community Water Assn

Aurora Community Water Assn is a private-owned community water system that delivers drinking water to 150 residents in Aurora, Illinois (Kane County) through 50 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 396 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 382 monitoring and reporting violations are on file. The most recent violation on record dates to 2000.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 33 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%).

Aurora Community Water Assn's 396 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
150
Total Violations
396
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
50
County
Kane
School/Daycare
No
MCL Violations
0
Monitoring Violations
382
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 33 2000
Xylenes, Total MR 18 1996
o-Dichlorobenzene MR 18 1996
1,1-Dichloroethylene MR 18 1996
1,1,1-Trichloroethane MR 18 1996
Carbon tetrachloride MR 18 1996
1,2-Dichloropropane MR 18 1996
Trichloroethylene MR 18 1996
Tetrachloroethylene MR 18 1996
Toluene MR 18 1996
Ethylbenzene MR 18 1996
CHLOROBENZENE MR 18 1996
p-Dichlorobenzene MR 18 1996
trans-1,2-Dichloroethylene MR 18 1996
Benzene MR 18 1996
cis-1,2-Dichloroethylene MR 18 1996
1,2-Dichloroethane MR 18 1996
Styrene MR 18 1996
1,2,4-Trichlorobenzene MR 12 1996
DICHLOROMETHANE MR 12 1996
1,1,2-Trichloroethane MR 12 1996
Nitrate MR 3 1995
Lead and Copper Rule MR 3 1996
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 Aurora Community Water Assn.

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 IL0895750 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 Aurora Community Water Assn 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
2000 Coliform (TCR) MR 33 SDWIS / IL0895750 / 3100
1996 Xylenes, Total MR 18 SDWIS / IL0895750 / 2955
1996 o-Dichlorobenzene MR 18 SDWIS / IL0895750 / 2968
1996 1,1-Dichloroethylene MR 18 SDWIS / IL0895750 / 2977
1996 1,1,1-Trichloroethane MR 18 SDWIS / IL0895750 / 2981
1996 Carbon tetrachloride MR 18 SDWIS / IL0895750 / 2982
1996 1,2-Dichloropropane MR 18 SDWIS / IL0895750 / 2983
1996 Trichloroethylene MR 18 SDWIS / IL0895750 / 2984
1996 Tetrachloroethylene MR 18 SDWIS / IL0895750 / 2987
1996 Toluene MR 18 SDWIS / IL0895750 / 2991
1996 Ethylbenzene MR 18 SDWIS / IL0895750 / 2992
1996 CHLOROBENZENE MR 18 SDWIS / IL0895750 / 2989
1996 p-Dichlorobenzene MR 18 SDWIS / IL0895750 / 2969
1996 trans-1,2-Dichloroethylene MR 18 SDWIS / IL0895750 / 2979
1996 Benzene MR 18 SDWIS / IL0895750 / 2990

How Aurora Community Water Assn Compares

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

Metric Aurora Community Water Assn Illinois avg Federal benchmark
Total violations 396 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 150 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 Aurora Community Water Assn water safe to drink? ▼
Aurora Community Water Assn (PWS ID: IL0895750) has 396 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 150 people using Groundwater sources.
How many people does Aurora Community Water Assn serve? ▼
Aurora Community Water Assn serves 150 people in Aurora, Illinois. It is a Private-owned system using Groundwater water sources with 50 service connections.
What type of violations does Aurora Community Water Assn have? ▼
Aurora Community Water Assn has 396 total violations: 0 health-based violations (MCL exceedances or treatment failures), 382 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Aurora Community Water Assn water? ▼
No PFAS testing data is available for Aurora Community Water Assn under the EPA's UCMR5 monitoring program.
What water source does Aurora Community Water Assn use? ▼
Aurora Community Water Assn 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.