Public water system · VT0008018
ActiveUnderhill State Park
At a glance
Underhill State Park (PWSID VT0008018) is an active transient non-community water system in Chittenden County, Vermont. It reports serving 104 people through 6 service connections. Its primary water source is groundwater, and EPA lists it as owned by a state government. EPA's records list 2 violations for this system; none is health-based, and the most recent began in August 2022.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
104
Service connections
6
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Underhill State Park compare with other water systems in Chittenden County?
By EPA's size categories, Underhill State Park 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 less than 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 transient non-community water system reports serving 144 people, so Underhill State Park is about 28% below that figure.
What does “transient non-community water system” mean?
A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. Vermont has 699 active transient non-community water systems, 52% 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 State Park?
EPA lists Underhill State Park as owned by a state 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. 5 of the 96 active systems in Chittenden County (5.2%) are also owned by a state government.
Does Underhill State Park have drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in August 2022. The violations listed here began between October 2007 and August 2022. By type: 1 reporting and 1 monitoring and reporting. The contaminants or rules involved are Revised Total Coliform Rule and Total coliform bacteria (TCR). EPA lists 2 as resolved. 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2022-08-01 | ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2007-10-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
All 2 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 State Park: frequently asked questions
Who runs Underhill State Park?
Underhill State Park (PWSID VT0008018) is a transient non-community water system owned by a state government. It is regulated by the VT state drinking water program.
How many people does Underhill State Park serve?
Underhill State Park reports serving 104 people through 6 service connections in Chittenden County, Vermont.
Where does Underhill State Park 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 State Park have any drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in August 2022. 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 State Park'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. EPA's records list 2 violations for this system; none is health-based, and the most recent began in August 2022. For current results, consult EPA ECHO, or the VT state drinking water program.
Where can I find Underhill State Park's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Underhill State Park is a 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 State Park, PWSID VT0008018, Vermont”, https://aquacensus.com/water-systems/vermont/underhill-state-park-vt0008018 (data as of October 1, 2026).