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Non-Transient Non-Community Water System · PWS VT0006568

Twin Valley Elementary School

Wilmington, Vermont 05363 - drinking water served from groundwater sources to 287 people, tracked in EPA SDWIS and UCMR5.

287
People served
219
EPA violations
0
Health-based
Untested
UCMR5 result

The verdict

EPA records 219 drinking-water violations at Twin Valley Elementary School - above the Vermont per-system average.

219
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
287
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Twin Valley Elementary School

Twin Valley Elementary School is a local-owned non-transient non-community water system that delivers drinking water to 287 residents in Wilmington, Vermont (Windham County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 219 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 218 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 trans-1,2-Dichloroethylene, recorded in 10 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. Statewide, 3 of 37 UCMR5-tested systems have reported PFAS detections (8.1%).

Twin Valley Elementary School's 219 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
287
Total Violations
219
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Local
Connections
1
County
Windham
School/Daycare
Yes
MCL Violations
0
Monitoring Violations
218
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
trans-1,2-Dichloroethylene MR 10 2019
1,2-Dichloroethane MR 10 2019
1,1,1-Trichloroethane MR 10 2019
Carbon tetrachloride MR 10 2019
Trichloroethylene MR 10 2019
Tetrachloroethylene MR 10 2019
CHLOROBENZENE MR 10 2019
1,2,4-Trichlorobenzene MR 10 2019
cis-1,2-Dichloroethylene MR 10 2019
Xylenes, Total MR 10 2019
DICHLOROMETHANE MR 10 2019
p-Dichlorobenzene MR 10 2019
1,1-Dichloroethylene MR 10 2019
1,2-Dichloropropane MR 10 2019
Ethylbenzene MR 10 2019
o-Dichlorobenzene MR 10 2019
Styrene MR 10 2019
Toluene MR 10 2019
Vinyl chloride MR 10 2019
1,1,2-Trichloroethane MR 10 2019
Benzene MR 10 2019
Revised Total Coliform Rule MON 4 2025
Lead and Copper Rule MR 4 2006
Public Notice Other 1 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 Valley Elementary School.

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 VT0006568 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
2025 Revised Total Coliform Rule MON 4 SDWIS / VT0006568 / 8000
2019 trans-1,2-Dichloroethylene MR 10 SDWIS / VT0006568 / 2979
2019 1,2-Dichloroethane MR 10 SDWIS / VT0006568 / 2980
2019 1,1,1-Trichloroethane MR 10 SDWIS / VT0006568 / 2981
2019 Carbon tetrachloride MR 10 SDWIS / VT0006568 / 2982
2019 Trichloroethylene MR 10 SDWIS / VT0006568 / 2984
2019 Tetrachloroethylene MR 10 SDWIS / VT0006568 / 2987
2019 CHLOROBENZENE MR 10 SDWIS / VT0006568 / 2989
2019 1,2,4-Trichlorobenzene MR 10 SDWIS / VT0006568 / 2378
2019 cis-1,2-Dichloroethylene MR 10 SDWIS / VT0006568 / 2380
2019 Xylenes, Total MR 10 SDWIS / VT0006568 / 2955
2019 DICHLOROMETHANE MR 10 SDWIS / VT0006568 / 2964
2019 p-Dichlorobenzene MR 10 SDWIS / VT0006568 / 2969
2019 1,1-Dichloroethylene MR 10 SDWIS / VT0006568 / 2977
2019 1,2-Dichloropropane MR 10 SDWIS / VT0006568 / 2983

How Twin Valley Elementary School Compares

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

Metric Twin Valley Elementary School Vermont avg Federal benchmark
Total violations 219 113.3 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 0 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 287 477 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 Valley Elementary School water safe to drink? ▼
Twin Valley Elementary School (PWS ID: VT0006568) has 219 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 287 people using Groundwater sources.
How many people does Twin Valley Elementary School serve? ▼
Twin Valley Elementary School serves 287 people in Wilmington, Vermont. It is a Local-owned system using Groundwater water sources with 1 service connections.
What type of violations does Twin Valley Elementary School have? ▼
Twin Valley Elementary School has 219 total violations: 0 health-based violations (MCL exceedances or treatment failures), 218 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Twin Valley Elementary School water? ▼
No PFAS testing data is available for Twin Valley Elementary School under the EPA's UCMR5 monitoring program.
What water source does Twin Valley Elementary School use? ▼
Twin Valley Elementary School 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.