Public water system · VT0005045
ActiveSt Johnsbury Water System
At a glance
St Johnsbury Water System (PWSID VT0005045) is an active community water system in Caledonia County, Vermont. It reports serving 5,000 people through 1,792 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, none is health-based, and the most recent began in July 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
5,000
Service connections
1,792
Primary source
SW
Surface water
System type
CWS
Community water system
System record
How does St Johnsbury Water System compare with other water systems in Caledonia County?
By EPA's size categories, St Johnsbury Water System is a medium system (3,301 to 10,000 people). Caledonia County has 64 active public water systems, and St Johnsbury Water System is the largest of them by population served. Its population served is about 14 times the county average of 369 people per system, and accounts for 21% of the 23,630 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 St Johnsbury Water System is about 25% 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 St Johnsbury Water System?
EPA lists St Johnsbury Water System 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. 24 of the 64 active systems in Caledonia County (38%) are also owned by a local government.
Does St Johnsbury Water System have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2025. The violations listed here began between April 2021 and July 2025. By type: 11 monitoring and reporting and 1 public notice, recordkeeping or other. The contaminants or rules involved are Consumer Confidence Rule, Carbofuran, Toxaphene and Atrazine. 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 |
|---|---|---|---|---|
| 2025-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2021-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Carbofurancode 2046 | No | Resolved |
| 2021-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Toxaphenecode 2020 | No | Resolved |
| 2021-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Atrazinecode 2050 | No | Resolved |
| 2021-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Oxamylcode 2036 | No | Resolved |
| 2021-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Methoxychlorcode 2015 | No | Resolved |
| 2021-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Alachlor (Lasso)code 2051 | No | Resolved |
| 2021-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Dinosebcode 2041 | No | Resolved |
| 2021-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Ethylene dibromide (EDB)code 2946 | No | Resolved |
| 2021-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Chlordanecode 2959 | No | Resolved |
| 2021-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Endrincode 2005 | No | Resolved |
| 2021-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Di(2-ethylhexyl) phthalatecode 2039 | 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.
St Johnsbury Water System: frequently asked questions
Who runs St Johnsbury Water System?
St Johnsbury Water System (PWSID VT0005045) is a community water system owned by a local government. It is regulated by the VT state drinking water program.
How many people does St Johnsbury Water System serve?
St Johnsbury Water System reports serving 5,000 people through 1,792 service connections in Caledonia County, Vermont.
Where does St Johnsbury Water System 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 St Johnsbury Water System have any drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2025. 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 St Johnsbury 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, none is health-based, and the most recent began in July 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the VT state drinking water program.
Where can I find St Johnsbury Water System's water quality report?
As a community water system, St Johnsbury 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 Caledonia County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Lyndonville Water System | Caledonia | 4,000 | Community | Groundwater |
| Hardwick Town Water System | Caledonia | 1,900 | Community | Groundwater |
| Burke Mountain Water Co | Caledonia | 1,058 | Community | Groundwater |
| Martys 1st Stop | Caledonia | 910 | Transient non-community | Groundwater |
| Waterford Welcome Center | Caledonia | 800 | Transient non-community | Groundwater |
| Sugar Ridge Rv Village Campground Inc. | Caledonia | 600 | 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, “St Johnsbury Water System, PWSID VT0005045, Vermont”, https://aquacensus.com/water-systems/vermont/st-johnsbury-water-system-vt0005045 (data as of October 1, 2026).