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SONNENBERG WATER SYSTEM

PWS ID: VT0005314 · BARNARD, Vermont 05031

SONNENBERG WATER SYSTEM serves 50 people in BARNARD, Vermont using Groundwater water sources. It has 307 recorded EPA violations, including 22 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: SONNENBERG WATER SYSTEM

SONNENBERG WATER SYSTEM is a private-owned community water system that delivers drinking water to 50 residents in BARNARD, Vermont (Windsor County) through 22 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 307 total violations for this system , of which 22 (7%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 278 monitoring and reporting violations are on file. The most recent violation on record dates to 2019.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 23 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 Vermont, EPA tracks 1,357 public water systems serving 646,999 people, with 153,729 cumulative violations and 16,917 health-based violations on record. About 93% of systems in the state carry at least one violation, and state-wide the average per system is 113.3 violations. SONNENBERG WATER SYSTEM's 307 violations sit above the Vermont average. Statewide, 3 of 37 UCMR5-tested systems have reported PFAS detections (8.1%). 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
50
Total Violations
307
Health-Based Violations
22
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
22
County
Windsor
School/Daycare
No
MCL Violations
22
Monitoring Violations
278
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 23 2015
Coliform (TCR) MCL 22 2003
Nitrate MR 10 2000
CYANIDE MR 9 2003
Chlorine MR 8 2019
Gross Alpha, Excl. Radon and U MR 4 2002
Toxaphene MR 4 2003
Di(2-ethylhexyl) adipate MR 4 2003
OXAMYL MR 4 2003
Simazine MR 4 2003
Picloram MR 4 2003
Dinoseb MR 4 2003
Hexachlorocyclopentadiene MR 4 2003
Atrazine MR 4 2003
LASSO MR 4 2003
Heptachlor MR 4 2003
2,4-D MR 4 2003
2,4,5-TP MR 4 2003
Chlordane MR 4 2003
Cadmium MR 4 2001
Antimony, Total MR 4 2001
1,2,4-Trichlorobenzene MR 4 2001
cis-1,2-Dichloroethylene MR 4 2001
DICHLOROMETHANE MR 4 2001
Vinyl chloride MR 4 2001
1,1-Dichloroethylene MR 4 2001
trans-1,2-Dichloroethylene MR 4 2001
1,2-Dichloroethane MR 4 2001
1,1,1-Trichloroethane MR 4 2001
Carbon tetrachloride MR 4 2001

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 SONNENBERG WATER SYSTEM.

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 VT0005314 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Vermont Drinking Water Authority

Vermont's primacy agency administers the Safe Drinking Water Act locally. Search EPA SDWIS for the current state contact, or use the state's public health or environment department portal.

Find VT regulator via EPA SDWIS

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
2019 Chlorine MR 8 SDWIS / VT0005314 / 0999
2016 Consumer Confidence Rule Other 3 SDWIS / VT0005314 / 7000
2015 Coliform (TCR) MR 23 SDWIS / VT0005314 / 3100
2003 Coliform (TCR) MCL 22 SDWIS / VT0005314 / 3100
2003 CYANIDE MR 9 SDWIS / VT0005314 / 1024
2003 Toxaphene MR 4 SDWIS / VT0005314 / 2020
2003 Di(2-ethylhexyl) adipate MR 4 SDWIS / VT0005314 / 2035
2003 OXAMYL MR 4 SDWIS / VT0005314 / 2036
2003 Simazine MR 4 SDWIS / VT0005314 / 2037
2003 Picloram MR 4 SDWIS / VT0005314 / 2040
2003 Dinoseb MR 4 SDWIS / VT0005314 / 2041
2003 Hexachlorocyclopentadiene MR 4 SDWIS / VT0005314 / 2042
2003 Atrazine MR 4 SDWIS / VT0005314 / 2050
2003 LASSO MR 4 SDWIS / VT0005314 / 2051
2003 Heptachlor MR 4 SDWIS / VT0005314 / 2065

How SONNENBERG WATER SYSTEM Compares

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

Metric SONNENBERG WATER SYSTEM Vermont avg Federal benchmark
Total violations 307 113.3 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 22 12.5 Indicates a contaminant exceeded a federal MCL
PFAS detection None 8.1% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 50 477 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 1,357 regulated public water systems in Vermont.

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
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is SONNENBERG WATER SYSTEM water safe to drink? ▼
SONNENBERG WATER SYSTEM (PWS ID: VT0005314) has 307 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 50 people using Groundwater sources.
How many people does SONNENBERG WATER SYSTEM serve? ▼
SONNENBERG WATER SYSTEM serves 50 people in BARNARD, Vermont. It is a Private-owned system using Groundwater water sources with 22 service connections.
What type of violations does SONNENBERG WATER SYSTEM have? ▼
SONNENBERG WATER SYSTEM has 307 total violations: 22 health-based violations (MCL exceedances or treatment failures), 278 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in SONNENBERG WATER SYSTEM water? ▼
No PFAS testing data is available for SONNENBERG WATER SYSTEM under the EPA's UCMR5 monitoring program.
What water source does SONNENBERG WATER SYSTEM use? ▼
SONNENBERG WATER SYSTEM 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.

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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.

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