Public water system · VT0020003
ActiveMountaindale
At a glance
Mountaindale (PWSID VT0020003) is an active community water system in Windham County, Vermont. It reports serving 48 people through 18 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in September 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
48
Service connections
18
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Mountaindale compare with other water systems in Windham County?
By EPA's size categories, Mountaindale is a very small system (500 people or fewer). Windham County has 201 active public water systems. Its population served is well below the county average of 347 people per system, and accounts for less than 0.1% of the 69,693 people reported by systems filed under the county. Across Vermont, the 1,357 active systems average 477 people each. Nationally, the average active community water system reports serving 6,703 people, so Mountaindale is well below that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Vermont has 405 active community water systems, 30% 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 Mountaindale?
EPA lists Mountaindale as privately owned. 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. 164 of the 201 active systems in Windham County (82%) are also privately owned.
Does Mountaindale have drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in September 2024. The violations listed here began between July 2014 and September 2024. By type: 11 monitoring and reporting and 1 required treatment not met. The contaminant or rule involved most often is Chlorine (4 of them). EPA lists 12 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 |
|---|---|---|---|---|
| 2024-09-24 | Required treatment not metOCCT/SOWT Treatment Installation/Demonstration · code 58 | Lead and Copper Rulecode 5000 | Yes | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2016-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2015-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2014-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2014-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2014-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Fluoridecode 1025 | No | Resolved |
| 2014-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Mercurycode 1035 | No | Resolved |
| 2014-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Cadmiumcode 1015 | No | Resolved |
| 2014-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Cyanidecode 1024 | No | Resolved |
| 2014-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | 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.
Mountaindale: frequently asked questions
Who runs Mountaindale?
Mountaindale (PWSID VT0020003) is a community water system privately owned. It is regulated by the VT state drinking water program.
How many people does Mountaindale serve?
Mountaindale reports serving 48 people through 18 service connections in Windham County, Vermont.
Where does Mountaindale 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 Mountaindale have any drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in September 2024. 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 Mountaindale'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, one is health-based, and the most recent began in September 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the VT state drinking water program.
Where can I find Mountaindale's water quality report?
As a community water system, Mountaindale must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in Windham County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Brattleboro Water Dept | Windham | 12,200 | Community | Surface water |
| Winhall Stratton F D 1 | Windham | 6,200 | Community | Groundwater |
| Guilford Welcome Center | Windham | 5,000 | Transient non-community | Purchased surface water |
| Grand Summit Hotel | Windham | 4,078 | Non-transient non-community | Groundwater |
| Bellows Falls Water Dept | Windham | 4,000 | Community | Surface water |
| Chimney Hill | Windham | 2,594 | Community | Groundwater |
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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, “Mountaindale, PWSID VT0020003, Vermont”, https://aquacensus.com/water-systems/vermont/mountaindale-vt0020003 (data as of October 1, 2026).