Public water system · VT0005001
ActiveTri Town Water District
At a glance
Tri Town Water District (PWSID VT0005001) is an active community water system in Addison County, Vermont. It reports serving 3,800 people through 1,800 service connections. Its primary water source is surface water, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, 9 are health-based, and the most recent began in December 2019.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
3,800
Service connections
1,800
Primary source
SW
Surface water
System type
CWS
Community water system
System record
How does Tri Town Water District compare with other water systems in Addison County?
By EPA's size categories, Tri Town Water District is a medium system (3,301 to 10,000 people). Addison County has 70 active public water systems, and Tri Town Water District is the 3rd-largest of them by population served. Its population served is about 8.1 times the county average of 467 people per system, and accounts for 12% 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 community water system reports serving 6,703 people, so Tri Town Water District is about 43% 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. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 45 Vermont systems (3.3%) list surface water as their primary source.
Who owns and regulates Tri Town Water District?
EPA lists Tri Town Water District 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. 16 of the 70 active systems in Addison County (23%) are also owned by a local government.
Does Tri Town Water District have drinking water violations?
Of the 12 most recent violations in EPA's records, 9 are health-based, and the most recent began in December 2019. The violations listed here began between January 2004 and December 2019. By type: 9 contaminant level above the legal limit, 2 monitoring and 1 monitoring and reporting. The contaminant or rule involved most often is Haloacetic acids (HAA5) (9 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 |
|---|---|---|---|---|
| 2019-12-01 | 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 |
| 2011-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Haloacetic acids (HAA5)code 2456 | Yes | Resolved |
| 2010-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Haloacetic acids (HAA5)code 2456 | Yes | Resolved |
| 2010-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Haloacetic acids (HAA5)code 2456 | Yes | Resolved |
| 2010-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Haloacetic acids (HAA5)code 2456 | Yes | Resolved |
| 2010-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Haloacetic acids (HAA5)code 2456 | Yes | Resolved |
| 2009-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Haloacetic acids (HAA5)code 2456 | Yes | Resolved |
| 2009-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Haloacetic acids (HAA5)code 2456 | Yes | Resolved |
| 2009-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Haloacetic acids (HAA5)code 2456 | Yes | Resolved |
| 2006-02-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2004-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Haloacetic acids (HAA5)code 2456 | Yes | 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.
Tri Town Water District: frequently asked questions
Who runs Tri Town Water District?
Tri Town Water District (PWSID VT0005001) is a community water system owned by a local government. It is regulated by the VT state drinking water program.
How many people does Tri Town Water District serve?
Tri Town Water District reports serving 3,800 people through 1,800 service connections in Addison County, Vermont.
Where does Tri Town Water District get its water?
EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.
Does Tri Town Water District have any drinking water violations?
Of the 12 most recent violations in EPA's records, 9 are health-based, and the most recent began in December 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 Tri Town Water District'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, 9 are health-based, and the most recent began in December 2019. For current results, consult the system's annual water quality report, EPA ECHO, or the VT state drinking water program.
Where can I find Tri Town Water District's water quality report?
As a community water system, Tri Town Water District 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 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 |
| 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 |
| East Middlebury Fd 1 | Addison | 642 | 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, “Tri Town Water District, PWSID VT0005001, Vermont”, https://aquacensus.com/water-systems/vermont/tri-town-water-district-vt0005001 (data as of October 1, 2026).