Public water system · VT0006067
ActiveUnderhill Central School
At a glance
Underhill Central School (PWSID VT0006067) is an active non-transient non-community water system in Chittenden County, Vermont. It reports serving 165 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2019.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
165
Service connections
1
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Underhill Central School compare with other water systems in Chittenden County?
By EPA's size categories, Underhill Central School is a very small system (500 people or fewer). Chittenden County has 96 active public water systems. Its population served is well below the county average of 1,566 people per system, and accounts for 0.1% of the 150,374 people reported by systems filed under the county. Across Vermont, the 1,357 active systems average 477 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so Underhill Central School is about 62% below that figure.
What does “non-transient non-community water system” mean?
A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. Vermont has 253 active non-transient non-community water systems, 19% of the state's 1,357 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 1,243 Vermont systems (92%) list groundwater as their primary source.
Who owns and regulates Underhill Central School?
EPA lists Underhill Central School as owned by a local government. The VT state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 32 of the 96 active systems in Chittenden County (33%) are also owned by a local government.
Does Underhill Central School have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2019. The violations listed here began between January 2018 and January 2019. By type: 12 monitoring and reporting. The contaminants or rules involved are Nitrate, E. coli, Carbon tetrachloride and Dichloromethane. EPA lists 11 as resolved and 1 as unaddressed. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2019-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2018-10-10 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Unaddressed |
| 2018-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Carbon tetrachloridecode 2982 | No | Resolved |
| 2018-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Dichloromethanecode 2964 | No | Resolved |
| 2018-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Tetrachloroethylenecode 2987 | No | Resolved |
| 2018-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2,4-Trichlorobenzenecode 2378 | No | Resolved |
| 2018-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Benzenecode 2990 | No | Resolved |
| 2018-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | cis-1,2-Dichloroethylenecode 2380 | No | Resolved |
| 2018-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Toluenecode 2991 | No | Resolved |
| 2018-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Xylenes, Totalcode 2955 | No | Resolved |
| 2018-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2-Dichloroethanecode 2980 | No | Resolved |
| 2018-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | p-Dichlorobenzenecode 2969 | No | Resolved |
The 12 most recent violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
Underhill Central School: frequently asked questions
Who runs Underhill Central School?
Underhill Central School (PWSID VT0006067) is a non-transient non-community water system owned by a local government. It is regulated by the VT state drinking water program.
How many people does Underhill Central School serve?
Underhill Central School reports serving 165 people through 1 service connection in Chittenden County, Vermont.
Where does Underhill Central School get its water?
EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.
Does Underhill Central School have any drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2019. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is Underhill Central School's water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2019. For current results, consult EPA ECHO, or the VT state drinking water program.
Where can I find Underhill Central School's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Underhill Central School is a non-transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.
Other water systems in Chittenden County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Burlington Dept Public Works Water Div | Chittenden | 42,000 | Community | Surface water |
| South Burlington City Water System | Chittenden | 19,500 | Community | Purchased surface water |
| Colchester Water System | Chittenden | 11,299 | Community | Purchased surface water |
| Essex Town Water System | Chittenden | 9,734 | Community | Purchased surface water |
| Essex Jct Water Dept | Chittenden | 9,500 | Community | Purchased surface water |
| Winooski Water Dept | Chittenden | 8,500 | Community | Purchased surface water |
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About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Underhill Central School, PWSID VT0006067, Vermont”, https://aquacensus.com/water-systems/vermont/underhill-central-school-vt0006067 (data as of October 1, 2026).