Public water system · VT0021535
ActiveMaplefields - Middlebury
At a glance
Maplefields - Middlebury (PWSID VT0021535) is an active transient non-community water system in Addison County, Vermont. It reports serving 40 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 4 violations for this system; none is health-based, and the most recent began in December 2021.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
40
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Maplefields - Middlebury compare with other water systems in Addison County?
By EPA's size categories, Maplefields - Middlebury is a very small system (500 people or fewer). Addison County has 70 active public water systems. Its population served is well below the county average of 467 people per system, and accounts for 0.1% of the 32,655 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 Maplefields - Middlebury is well 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 Maplefields - Middlebury?
EPA lists Maplefields - Middlebury 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. 49 of the 70 active systems in Addison County (70%) are also privately owned.
Does Maplefields - Middlebury have drinking water violations?
EPA's records list 4 violations for this system; none is health-based, and the most recent began in December 2021. The violations listed here began between August 2019 and December 2021. By type: 4 monitoring. The contaminant or rule involved most often is Revised Total Coliform Rule (4 of them). EPA lists 4 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 |
|---|---|---|---|---|
| 2021-12-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2020-02-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2019-09-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2019-08-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
All 4 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.
Maplefields - Middlebury: frequently asked questions
Who runs Maplefields - Middlebury?
Maplefields - Middlebury (PWSID VT0021535) is a transient non-community water system privately owned. It is regulated by the VT state drinking water program.
How many people does Maplefields - Middlebury serve?
Maplefields - Middlebury reports serving 40 people through 1 service connection in Addison County, Vermont.
Where does Maplefields - Middlebury 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 Maplefields - Middlebury have any drinking water violations?
EPA's records list 4 violations for this system; none is health-based, and the most recent began in December 2021. 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 Maplefields - Middlebury'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 4 violations for this system; none is health-based, and the most recent began in December 2021. For current results, consult EPA ECHO, or the VT state drinking water program.
Where can I find Maplefields - Middlebury's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Maplefields - Middlebury 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 Addison County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Middlebury Water Dept | Addison | 9,379 | Community | Groundwater |
| Vergennes Panton Water District | Addison | 5,100 | Community | Surface water |
| Tri Town Water District | Addison | 3,800 | Community | Surface water |
| Bristol Water Dept | Addison | 2,103 | Community | Groundwater |
| Branbury State Park | Addison | 963 | Transient non-community | Groundwater |
| Kampersville Campground and Store | Addison | 864 | Transient non-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, “Maplefields - Middlebury, PWSID VT0021535, Vermont”, https://aquacensus.com/water-systems/vermont/maplefields-middlebury-vt0021535 (data as of October 1, 2026).