Public water system · CT0300104
ActiveColumbia Town Hall
At a glance
Columbia Town Hall (PWSID CT0300104) is an active transient non-community water system in Tolland County, Connecticut. It reports serving 25 people through 2 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 3 violations for this system; none is health-based, and the most recent began in April 2009.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
25
Service connections
2
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Columbia Town Hall compare with other water systems in Tolland County?
By EPA's size categories, Columbia Town Hall is a very small system (500 people or fewer). Tolland County has 296 active public water systems. Its population served is well below the county average of 202 people per system, and accounts for less than 0.1% of the 59,796 people reported by systems filed under the county. Across Connecticut, the 2,363 active systems average 1,247 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Columbia Town Hall 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. Connecticut has 1,399 active transient non-community water systems, 59% of the state's 2,363 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 2,263 Connecticut systems (96%) list groundwater as their primary source.
Who owns and regulates Columbia Town Hall?
EPA lists Columbia Town Hall as privately owned. The CT state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 253 of the 296 active systems in Tolland County (85%) are also privately owned.
Does Columbia Town Hall have drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in April 2009. The violations listed here began between January 2001 and April 2009. By type: 3 monitoring and reporting. The contaminants or rules involved are Total coliform bacteria (TCR), Nitrate and Nitrite. EPA lists 3 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 |
|---|---|---|---|---|
| 2009-04-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2001-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2001-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitritecode 1041 | No | Resolved |
All 3 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.
Columbia Town Hall: frequently asked questions
Who runs Columbia Town Hall?
Columbia Town Hall (PWSID CT0300104) is a transient non-community water system privately owned. It is regulated by the CT state drinking water program.
How many people does Columbia Town Hall serve?
Columbia Town Hall reports serving 25 people through 2 service connections in Tolland County, Connecticut.
Where does Columbia Town Hall 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 Columbia Town Hall have any drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in April 2009. 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 Columbia Town Hall'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 3 violations for this system; none is health-based, and the most recent began in April 2009. For current results, consult EPA ECHO, or the CT state drinking water program.
Where can I find Columbia Town Hall's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Columbia Town Hall 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 Tolland County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| University of Connecticut - Main Campus | Tolland | 27,199 | Community | Purchased surface water |
| Ctwc - Hebron Center Division | Tolland | 1,927 | Community | Groundwater |
| Coventry High & Nathan Hale Schools | Tolland | 1,252 | Non-transient non-community | Groundwater |
| Tolland Water Department | Tolland | 1,251 | Community | Groundwater |
| Ctwc - Amston Lake Division | Tolland | 910 | Community | Groundwater |
| Horace Porter School | Tolland | 797 | Non-transient non-community | Groundwater |
Related pages
Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
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, “Columbia Town Hall, PWSID CT0300104, Connecticut”, https://aquacensus.com/water-systems/connecticut/columbia-town-hall-ct0300104 (data as of October 1, 2026).