Public water system · CT0210012
ActiveHousatonic Valley Regional Hs
At a glance
Housatonic Valley Regional Hs (PWSID CT0210012) is an active non-transient non-community water system in Litchfield County, Connecticut. It reports serving 750 people through 2 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in December 2023.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
750
Service connections
2
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Housatonic Valley Regional Hs compare with other water systems in Litchfield County?
By EPA's size categories, Housatonic Valley Regional Hs is a small system (501 to 3,300 people). Litchfield County has 346 active public water systems. Its population served is about 121% above the county average of 340 people per system, and accounts for 0.6% 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 non-transient non-community water system reports serving 430 people, so Housatonic Valley Regional Hs is about 74% above that figure.
What does “non-transient non-community water system” mean?
A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. Connecticut has 483 active non-transient non-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 Housatonic Valley Regional Hs?
EPA lists Housatonic Valley Regional Hs as owned by a local government. 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. 36 of the 346 active systems in Litchfield County (10%) are also owned by a local government.
Does Housatonic Valley Regional Hs have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in December 2023. The violations listed here began between January 2006 and December 2023. By type: 12 monitoring and reporting. The contaminant or rule involved most often is Lead and Copper Rule (4 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 |
|---|---|---|---|---|
| 2023-12-30 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2021-12-30 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2019-12-30 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2017-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2015-01-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2015-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nickelcode 1036 | No | Resolved |
| 2006-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Vinyl chloridecode 2976 | No | Resolved |
| 2006-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | p-Dichlorobenzenecode 2969 | No | Resolved |
| 2006-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Tetrachloroethylenecode 2987 | No | Resolved |
| 2006-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2-Dichloroethanecode 2980 | No | Resolved |
| 2006-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,1,1-Trichloroethanecode 2981 | No | Resolved |
| 2006-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | trans-1,2-Dichloroethylenecode 2979 | 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.
Housatonic Valley Regional Hs: frequently asked questions
Who runs Housatonic Valley Regional Hs?
Housatonic Valley Regional Hs (PWSID CT0210012) is a non-transient non-community water system owned by a local government. It is regulated by the CT state drinking water program.
How many people does Housatonic Valley Regional Hs serve?
Housatonic Valley Regional Hs reports serving 750 people through 2 service connections in Litchfield County, Connecticut.
Where does Housatonic Valley Regional Hs 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 Housatonic Valley Regional Hs 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 December 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 Housatonic Valley Regional Hs' 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 December 2023. For current results, consult EPA ECHO, or the CT state drinking water program.
Where can I find Housatonic Valley Regional Hs' water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Housatonic Valley Regional Hs is a non-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 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 |
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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, “Housatonic Valley Regional Hs, PWSID CT0210012, Connecticut”, https://aquacensus.com/water-systems/connecticut/housatonic-valley-regional-hs-ct0210012 (data as of October 1, 2026).