Public water system · VT0005314
ActiveSonnenberg Water System
At a glance
Sonnenberg Water System (PWSID VT0005314) is an active community water system in Windsor County, Vermont. It reports serving 50 people through 22 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 January 2019.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
50
Service connections
22
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Sonnenberg Water System compare with other water systems in Windsor County?
By EPA's size categories, Sonnenberg Water System is a very small system (500 people or fewer). Windsor County has 164 active public water systems. Its population served is well below the county average of 420 people per system, and accounts for less than 0.1% of the 68,857 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 Sonnenberg Water System 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 Sonnenberg Water System?
EPA lists Sonnenberg Water System 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. 125 of the 164 active systems in Windsor County (76%) are also privately owned.
Does Sonnenberg Water System have drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in January 2019. The violations listed here began between January 2003 and January 2019. By type: 10 monitoring and reporting, 1 public notice, recordkeeping or other and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (3 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 |
|---|---|---|---|---|
| 2019-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2016-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2016-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2015-02-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2003-11-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2003-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2003-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Heptachlorcode 2065 | No | Resolved |
| 2003-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Simazinecode 2037 | No | Resolved |
| 2003-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Dinosebcode 2041 | No | Resolved |
| 2003-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Atrazinecode 2050 | No | Resolved |
| 2003-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Alachlor (Lasso)code 2051 | No | Resolved |
| 2003-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Chlordanecode 2959 | 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.
Sonnenberg Water System: frequently asked questions
Who runs Sonnenberg Water System?
Sonnenberg Water System (PWSID VT0005314) is a community water system privately owned. It is regulated by the VT state drinking water program.
How many people does Sonnenberg Water System serve?
Sonnenberg Water System reports serving 50 people through 22 service connections in Windsor County, Vermont.
Where does Sonnenberg Water System 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 Sonnenberg Water System 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 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 Sonnenberg Water System'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 January 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 Sonnenberg Water System's water quality report?
As a community water system, Sonnenberg Water System 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 Windsor County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Springfield Water Dept | Windsor | 9,800 | Community | Groundwater |
| Hartford Water Dept | Windsor | 7,600 | Community | Groundwater |
| Chester Water Dept | Windsor | 3,200 | Community | Groundwater |
| Ludlow Village Water Dept | Windsor | 2,880 | Community | Groundwater |
| Town of Woodstock Water Department | Windsor | 2,473 | Community | Groundwater |
| Windsor Water Dept | Windsor | 2,350 | 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, “Sonnenberg Water System, PWSID VT0005314, Vermont”, https://aquacensus.com/water-systems/vermont/sonnenberg-water-system-vt0005314 (data as of October 1, 2026).