Public water system · CT0179054
Active735 Terryville Ave
At a glance
735 Terryville Ave (PWSID CT0179054) is an active transient non-community water system in Hartford County, Connecticut. It reports serving 38 people through 3 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 6 violations for this system; none is health-based, and the most recent began in June 2023.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
38
Service connections
3
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does 735 Terryville Ave compare with other water systems in Hartford County?
By EPA's size categories, 735 Terryville Ave is a very small system (500 people or fewer). Hartford County has 219 active public water systems. Its population served is well below the county average of 3,818 people per system, and accounts for less than 0.1% of the 836,032 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 735 Terryville Ave 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 735 Terryville Ave?
EPA lists 735 Terryville Ave 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. 179 of the 219 active systems in Hartford County (82%) are also privately owned.
Does 735 Terryville Ave have drinking water violations?
EPA's records list 6 violations for this system; none is health-based, and the most recent began in June 2023. The violations listed here began between January 2007 and June 2023. By type: 4 monitoring and reporting, 1 public notice, recordkeeping or other and 1 monitoring. The contaminant or rule involved most often is Total coliform bacteria (TCR) (3 of them). EPA lists 6 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 |
|---|---|---|---|---|
| 2023-06-18 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2022-01-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2017-08-29 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Resolved |
| 2013-01-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2012-04-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2007-01-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
All 6 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.
735 Terryville Ave: frequently asked questions
Who runs 735 Terryville Ave?
735 Terryville Ave (PWSID CT0179054) is a transient non-community water system privately owned. It is regulated by the CT state drinking water program.
How many people does 735 Terryville Ave serve?
735 Terryville Ave reports serving 38 people through 3 service connections in Hartford County, Connecticut.
Where does 735 Terryville Ave 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 735 Terryville Ave have any drinking water violations?
EPA's records list 6 violations for this system; none is health-based, and the most recent began in June 2023. 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 735 Terryville Ave'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 6 violations for this system; none is health-based, and the most recent began in June 2023. For current results, consult EPA ECHO, or the CT state drinking water program.
Where can I find 735 Terryville Ave's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. 735 Terryville Ave 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 Hartford County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Metropolitan District Commission | Hartford | 390,887 | Community | Surface water |
| Ctwc - Northern Reg-Western System | Hartford | 101,313 | Community | Surface water |
| New Britain Water Department | Hartford | 73,534 | Community | Surface water |
| Bristol Water Department | Hartford | 52,079 | Community | Surface water |
| Manchester Water Department | Hartford | 51,198 | Community | Surface water |
| Southington Water Department | Hartford | 43,069 | Community | Surface water |
Related pages
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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, “735 Terryville Ave, PWSID CT0179054, Connecticut”, https://aquacensus.com/water-systems/connecticut/735-terryville-ave-ct0179054 (data as of October 1, 2026).