Public water system · CT0180251
ActiveStony Hill Village Condominium Assn
At a glance
Stony Hill Village Condominium Assn (PWSID CT0180251) is an active community water system in Fairfield County, Connecticut. It reports serving 392 people through 162 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 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
392
Service connections
162
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Stony Hill Village Condominium Assn compare with other water systems in Fairfield County?
By EPA's size categories, Stony Hill Village Condominium Assn is a very small system (500 people or fewer). Fairfield County has 337 active public water systems. Its population served is well below the county average of 2,311 people per system, and accounts for less than 0.1% of the 778,730 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 Stony Hill Village Condominium Assn 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 Stony Hill Village Condominium Assn?
EPA lists Stony Hill Village Condominium Assn 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. 286 of the 337 active systems in Fairfield County (85%) are also privately owned.
Does Stony Hill Village Condominium Assn 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 2024. The violations listed here began between July 2023 and September 2024. By type: 11 monitoring and reporting and 1 public notice, recordkeeping or other. The contaminants or rules involved are E. coli, Endrin, 1,1,1-Trichloroethane and Toluene. 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 |
|---|---|---|---|---|
| 2024-09-10 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Resolved |
| 2023-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Endrincode 2005 | No | Resolved |
| 2023-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,1,1-Trichloroethanecode 2981 | No | Resolved |
| 2023-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Toluenecode 2991 | No | Resolved |
| 2023-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2023-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2-Dichloropropanecode 2983 | No | Resolved |
| 2023-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Carbon tetrachloridecode 2982 | No | Resolved |
| 2023-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Styrenecode 2996 | No | Resolved |
| 2023-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Picloramcode 2040 | No | Resolved |
| 2023-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Trichloroethylenecode 2984 | No | Resolved |
| 2023-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Tetrachloroethylenecode 2987 | No | Resolved |
| 2023-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Methoxychlorcode 2015 | 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.
Stony Hill Village Condominium Assn: frequently asked questions
Who runs Stony Hill Village Condominium Assn?
Stony Hill Village Condominium Assn (PWSID CT0180251) is a community water system privately owned. It is regulated by the CT state drinking water program.
How many people does Stony Hill Village Condominium Assn serve?
Stony Hill Village Condominium Assn reports serving 392 people through 162 service connections in Fairfield County, Connecticut.
Where does Stony Hill Village Condominium Assn 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 Stony Hill Village Condominium Assn 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 2024. 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 Stony Hill Village Condominium Assn'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 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the CT state drinking water program.
Where can I find Stony Hill Village Condominium Assn's water quality report?
As a community water system, Stony Hill Village Condominium Assn 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 Fairfield County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Aquarion-Eastern Fairfield County | Fairfield | 351,756 | Community | Surface water |
| Aquarion-Stamford | Fairfield | 119,214 | Community | Surface water |
| Danbury Water Department | Fairfield | 62,055 | Community | Surface water |
| Aquarion-Greenwich | Fairfield | 53,297 | Community | Surface water |
| South Norwalk Electric & Water | Fairfield | 42,000 | Community | Surface water |
| Norwalk First Taxing District | Fairfield | 40,256 | Community | Surface water |
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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, “Stony Hill Village Condominium Assn, PWSID CT0180251, Connecticut”, https://aquacensus.com/water-systems/connecticut/stony-hill-village-condominium-assn-ct0180251 (data as of October 1, 2026).