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Community Water System · PWS IL0850030

Wienen Estates

Galena, Illinois 61036 - drinking water served from groundwater sources to 95 people, tracked in EPA SDWIS and UCMR5.

95
People served
238
EPA violations
9
Health-based
Untested
UCMR5 result

The verdict

EPA records 238 drinking-water violations at Wienen Estates, 4% of them health-based - above the Illinois per-system average.

238
Total EPA violations on record
4%
Health-based (MCL / treatment failure)
95
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Wienen Estates

Wienen Estates is a private-owned community water system that delivers drinking water to 95 residents in Galena, Illinois (Jo Daviess County) through 38 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 238 total violations for this system , of which 9 (4%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 228 monitoring and reporting violations are on file. The most recent violation on record dates to 1999.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 19 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%).

Wienen Estates's 238 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
95
Total Violations
238
Health-Based Violations
9
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
38
County
Jo Daviess
School/Daycare
No
MCL Violations
9
Monitoring Violations
228
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 19 1999
Coliform (TCR) MCL 9 1999
Nitrate MR 6 1998
Chromium MR 4 1998
CYANIDE MR 4 1998
Fluoride MR 4 1998
Mercury MR 4 1998
Selenium MR 4 1998
Beryllium, Total MR 4 1998
Cadmium MR 4 1998
Antimony, Total MR 4 1998
Arsenic MR 4 1998
Barium MR 4 1998
Nickel MR 4 1998
Thallium, Total MR 4 1998
BHC-GAMMA MR 3 1998
LASSO MR 3 1998
Heptachlor epoxide MR 3 1998
2,4,5-TP MR 3 1998
Pentachlorophenol MR 3 1998
Total Polychlorinated Biphenyls (PCB) MR 3 1998
1,2-DIBROMO-3-CHLOROPROPANE MR 3 1998
Xylenes, Total MR 3 1998
o-Dichlorobenzene MR 3 1998
1,1-Dichloroethylene MR 3 1998
trans-1,2-Dichloroethylene MR 3 1998
1,2-Dichloroethane MR 3 1998
Benzene MR 3 1998
Ethylbenzene MR 3 1998
Dalapon 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 Wienen Estates.

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 IL0850030 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 Wienen Estates 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
1999 Coliform (TCR) MR 19 SDWIS / IL0850030 / 3100
1999 Coliform (TCR) MCL 9 SDWIS / IL0850030 / 3100
1998 Nitrate MR 6 SDWIS / IL0850030 / 1040
1998 Chromium MR 4 SDWIS / IL0850030 / 1020
1998 CYANIDE MR 4 SDWIS / IL0850030 / 1024
1998 Fluoride MR 4 SDWIS / IL0850030 / 1025
1998 Mercury MR 4 SDWIS / IL0850030 / 1035
1998 Selenium MR 4 SDWIS / IL0850030 / 1045
1998 Beryllium, Total MR 4 SDWIS / IL0850030 / 1075
1998 Cadmium MR 4 SDWIS / IL0850030 / 1015
1998 Antimony, Total MR 4 SDWIS / IL0850030 / 1074
1998 Arsenic MR 4 SDWIS / IL0850030 / 1005
1998 Barium MR 4 SDWIS / IL0850030 / 1010
1998 Nickel MR 4 SDWIS / IL0850030 / 1036
1998 Thallium, Total MR 4 SDWIS / IL0850030 / 1085

How Wienen Estates Compares

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

Metric Wienen Estates Illinois avg Federal benchmark
Total violations 238 69.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 9 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 95 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 Wienen Estates water safe to drink? ▼
Wienen Estates (PWS ID: IL0850030) has 238 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 95 people using Groundwater sources.
How many people does Wienen Estates serve? ▼
Wienen Estates serves 95 people in Galena, Illinois. It is a Private-owned system using Groundwater water sources with 38 service connections.
What type of violations does Wienen Estates have? ▼
Wienen Estates has 238 total violations: 9 health-based violations (MCL exceedances or treatment failures), 228 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Wienen Estates water? ▼
No PFAS testing data is available for Wienen Estates under the EPA's UCMR5 monitoring program.
What water source does Wienen Estates use? ▼
Wienen Estates 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.