Public water system · CT0429123
ActiveChatham Corner Building
At a glance
Chatham Corner Building (PWSID CT0429123) is an active transient non-community water system in Middlesex County, Connecticut. It reports serving 28 people through 4 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, none is health-based, and the most recent began in September 2020.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
28
Service connections
4
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Chatham Corner Building compare with other water systems in Middlesex County?
By EPA's size categories, Chatham Corner Building is a very small system (500 people or fewer). Middlesex County has 277 active public water systems. Its population served is well below the county average of 353 people per system, and accounts for less than 0.1% of the 97,777 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 Chatham Corner Building 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 Chatham Corner Building?
EPA lists Chatham Corner Building 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. 223 of the 277 active systems in Middlesex County (81%) are also privately owned.
Does Chatham Corner Building have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in September 2020. The violations listed here began between July 2006 and September 2020. By type: 7 monitoring and reporting, 2 public notice, recordkeeping or other, 2 monitoring and 1 reporting. The contaminant or rule involved most often is Revised Total Coliform Rule (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 |
|---|---|---|---|---|
| 2020-09-20 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2019-10-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2019-07-10 | ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2017-01-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2016-07-25 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2016-01-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2006-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Aldicarb sulfoxidecode 2043 | No | Resolved |
| 2006-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Atrazinecode 2050 | No | Resolved |
| 2006-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Toxaphenecode 2020 | No | Resolved |
| 2006-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Heptachlor epoxidecode 2067 | No | Resolved |
| 2006-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Aldicarb sulfonecode 2044 | No | Resolved |
| 2006-07-01 | 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.
Chatham Corner Building: frequently asked questions
Who runs Chatham Corner Building?
Chatham Corner Building (PWSID CT0429123) is a transient non-community water system privately owned. It is regulated by the CT state drinking water program.
How many people does Chatham Corner Building serve?
Chatham Corner Building reports serving 28 people through 4 service connections in Middlesex County, Connecticut.
Where does Chatham Corner Building 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 Chatham Corner Building 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 September 2020. 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 Chatham Corner Building'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 September 2020. For current results, consult EPA ECHO, or the CT state drinking water program.
Where can I find Chatham Corner Building's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Chatham Corner Building 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 Middlesex County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Middletown Water Department | Middlesex | 41,019 | Community | Surface water |
| Cromwell Fire District Water Department | Middlesex | 14,316 | Community | Groundwater |
| Ctwc - Shoreline Region-Chester System | Middlesex | 5,030 | Community | Surface water |
| Portland Water Department | Middlesex | 5,010 | Community | Purchased surface water |
| Connecticut Valley Hospital | Middlesex | 2,928 | Community | Surface water |
| Pratt & Whitney | Middlesex | 2,800 | Non-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, “Chatham Corner Building, PWSID CT0429123, Connecticut”, https://aquacensus.com/water-systems/connecticut/chatham-corner-building-ct0429123 (data as of October 1, 2026).