Public water system · CT1221031
ActiveChatfield Hill Assn., Inc..
At a glance
Chatfield Hill Assn., Inc.. (PWSID CT1221031) is an active community water system in Litchfield County, Connecticut. It reports serving 68 people through 15 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 9 violations for this system; none is health-based, and the most recent began in November 2023.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
68
Service connections
15
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Chatfield Hill Assn., Inc.. compare with other water systems in Litchfield County?
By EPA's size categories, Chatfield Hill Assn., Inc.. is a very small system (500 people or fewer). Litchfield County has 346 active public water systems. Its population served is well below the county average of 340 people per system, and accounts for less than 0.1% of the 117,512 people reported by systems filed under the county. Across Connecticut, the 2,363 active systems average 1,247 people each. Nationally, the average active community water system reports serving 6,703 people, so Chatfield Hill Assn., Inc.. 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. Connecticut has 481 active community water systems, 20% 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 Chatfield Hill Assn., Inc..?
EPA lists Chatfield Hill Assn., Inc.. 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. 297 of the 346 active systems in Litchfield County (86%) are also privately owned.
Does Chatfield Hill Assn., Inc.. have drinking water violations?
EPA's records list 9 violations for this system; none is health-based, and the most recent began in November 2023. The violations listed here began between January 2005 and November 2023. By type: 6 monitoring and reporting, 2 public notice, recordkeeping or other and 1 monitoring. The contaminant or rule involved most often is Consumer Confidence Rule (2 of them). EPA lists 9 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 |
|---|---|---|---|---|
| 2023-11-01 | MonitoringMonitoring, Additional Routine (RTCR) · code 3B | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2018-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2018-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2018-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitritecode 1041 | No | Resolved |
| 2013-08-10 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2013-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2005-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Combined Radium (-226 and -228)code 4010 | No | Resolved |
| 2005-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Gross alpha (excluding radon and uranium)code 4000 | No | Resolved |
| 2005-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Combined Uraniumcode 4006 | No | Resolved |
All 9 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.
Chatfield Hill Assn., Inc..: frequently asked questions
Who runs Chatfield Hill Assn., Inc..?
Chatfield Hill Assn., Inc.. (PWSID CT1221031) is a community water system privately owned. It is regulated by the CT state drinking water program.
How many people does Chatfield Hill Assn., Inc.. serve?
Chatfield Hill Assn., Inc.. reports serving 68 people through 15 service connections in Litchfield County, Connecticut.
Where does Chatfield Hill Assn., Inc.. 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 Chatfield Hill Assn., Inc.. have any drinking water violations?
EPA's records list 9 violations for this system; none is health-based, and the most recent began in November 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 Chatfield Hill Assn., Inc..'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 9 violations for this system; none is health-based, and the most recent began in November 2023. For current results, consult the system's annual water quality report, EPA ECHO, or the CT state drinking water program.
Where can I find Chatfield Hill Assn., Inc..'s water quality report?
As a community water system, Chatfield Hill Assn., Inc.. 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 Litchfield County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Torrington Water Company | Litchfield | 37,915 | Community | Surface water |
| Watertown Water & Sewer Authority | Litchfield | 9,972 | Community | Purchased surface water |
| Winsted Water Works | Litchfield | 7,784 | Community | Surface water |
| Watertown Fire District | Litchfield | 6,718 | Community | Groundwater |
| Ctwc - Naugatuck Reg-Terryville System | Litchfield | 5,607 | Community | Groundwater |
| Ctwc - Naugatuck Reg-Thomaston System | Litchfield | 3,789 | 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, “Chatfield Hill Assn., Inc.., PWSID CT1221031, Connecticut”, https://aquacensus.com/water-systems/connecticut/chatfield-hill-assn-inc-ct1221031 (data as of October 1, 2026).