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Non-Transient Non-Community Water System · PWS VT0020575

Twin Farms

Barnard, Vermont 05031 - drinking water served from groundwater sources to 264 people, tracked in EPA SDWIS and UCMR5.

264
People served
133
EPA violations
25
Health-based
Untested
UCMR5 result

The verdict

EPA records 133 drinking-water violations at Twin Farms, 19% of them health-based - above the Vermont per-system average.

133
Total EPA violations on record
19%
Health-based (MCL / treatment failure)
264
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Twin Farms

Twin Farms is a private-owned non-transient non-community water system that delivers drinking water to 264 residents in Barnard, Vermont (Windsor County) through 15 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 133 total violations for this system , of which 25 (19%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 108 monitoring and reporting violations are on file. The most recent violation on record dates to 2016.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 25 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 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. Statewide, 3 of 37 UCMR5-tested systems have reported PFAS detections (8.1%).

Twin Farms's 133 violations sit above the Vermont 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
264
Total Violations
133
Health-Based Violations
25
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
15
County
Windsor
School/Daycare
No
MCL Violations
25
Monitoring Violations
108
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 25 2012
1,2,4-Trichlorobenzene MR 5 2016
DICHLOROMETHANE MR 5 2016
o-Dichlorobenzene MR 5 2016
1,1-Dichloroethylene MR 5 2016
1,2-Dichloroethane MR 5 2016
1,1,1-Trichloroethane MR 5 2016
1,1,2-Trichloroethane MR 5 2016
Benzene MR 5 2016
Toluene MR 5 2016
Vinyl chloride MR 5 2016
CHLOROBENZENE MR 5 2016
1,2-Dichloropropane MR 5 2016
Tetrachloroethylene MR 5 2016
Styrene MR 5 2016
cis-1,2-Dichloroethylene MR 5 2016
p-Dichlorobenzene MR 5 2016
Carbon tetrachloride MR 5 2016
Xylenes, Total MR 5 2016
trans-1,2-Dichloroethylene MR 5 2016
Ethylbenzene MR 5 2016
Trichloroethylene MR 5 2016
CYANIDE MR 3 2007

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 Twin Farms.

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 VT0020575 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
2016 1,2,4-Trichlorobenzene MR 5 SDWIS / VT0020575 / 2378
2016 DICHLOROMETHANE MR 5 SDWIS / VT0020575 / 2964
2016 o-Dichlorobenzene MR 5 SDWIS / VT0020575 / 2968
2016 1,1-Dichloroethylene MR 5 SDWIS / VT0020575 / 2977
2016 1,2-Dichloroethane MR 5 SDWIS / VT0020575 / 2980
2016 1,1,1-Trichloroethane MR 5 SDWIS / VT0020575 / 2981
2016 1,1,2-Trichloroethane MR 5 SDWIS / VT0020575 / 2985
2016 Benzene MR 5 SDWIS / VT0020575 / 2990
2016 Toluene MR 5 SDWIS / VT0020575 / 2991
2016 Vinyl chloride MR 5 SDWIS / VT0020575 / 2976
2016 CHLOROBENZENE MR 5 SDWIS / VT0020575 / 2989
2016 1,2-Dichloropropane MR 5 SDWIS / VT0020575 / 2983
2016 Tetrachloroethylene MR 5 SDWIS / VT0020575 / 2987
2016 Styrene MR 5 SDWIS / VT0020575 / 2996
2016 cis-1,2-Dichloroethylene MR 5 SDWIS / VT0020575 / 2380

How Twin Farms Compares

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

Metric Twin Farms Vermont avg Federal benchmark
Total violations 133 113.3 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 25 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 264 477 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 (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 Twin Farms water safe to drink? ▼
Twin Farms (PWS ID: VT0020575) has 133 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 264 people using Groundwater sources.
How many people does Twin Farms serve? ▼
Twin Farms serves 264 people in Barnard, Vermont. It is a Private-owned system using Groundwater water sources with 15 service connections.
What type of violations does Twin Farms have? ▼
Twin Farms has 133 total violations: 25 health-based violations (MCL exceedances or treatment failures), 108 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Twin Farms water? ▼
No PFAS testing data is available for Twin Farms under the EPA's UCMR5 monitoring program.
What water source does Twin Farms use? ▼
Twin Farms uses Groundwater as its primary water source. It is classified as a Non-Transient Non-Community Water System, serving the same people for at least 6 months per year.
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.