Public water system · MT0002482
ActiveSunnybrook Acres Hoa
At a glance
Sunnybrook Acres Hoa (PWSID MT0002482) is an active community water system in Jefferson County, Montana. It reports serving 50 people through 19 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 4 violations for this system; 1 is health-based, and the most recent began in October 2020.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
50
Service connections
19
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Sunnybrook Acres Hoa compare with other water systems in Jefferson County?
By EPA's size categories, Sunnybrook Acres Hoa is a very small system (500 people or fewer). Jefferson County has 41 active public water systems. Its population served is well below the county average of 241 people per system, and accounts for 0.5% of the 9,886 people reported by systems filed under the county. Across Montana, the 2,378 active systems average 489 people each. Nationally, the average active community water system reports serving 6,703 people, so Sunnybrook Acres Hoa 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. Montana has 853 active community water systems, 36% of the state's 2,378 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 1,994 Montana systems (84%) list groundwater as their primary source.
Who owns and regulates Sunnybrook Acres Hoa?
EPA lists Sunnybrook Acres Hoa as privately owned. The MT state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 30 of the 41 active systems in Jefferson County (73%) are also privately owned.
Does Sunnybrook Acres Hoa have drinking water violations?
EPA's records list 4 violations for this system; 1 is health-based, and the most recent began in October 2020. The violations listed here began between October 1982 and October 2020. By type: 3 monitoring and reporting and 1 contaminant level above the legal limit. The contaminants or rules involved are E. coli, Lead and Copper Rule, Total coliform bacteria (TCR) and Gross alpha (excluding radon and uranium). EPA lists 4 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 |
|---|---|---|---|---|
| 2020-10-15 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Resolved |
| 2014-01-01 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 1994-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1982-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Gross alpha (excluding radon and uranium)code 4000 | No | Resolved |
All 4 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.
Sunnybrook Acres Hoa: frequently asked questions
Who runs Sunnybrook Acres Hoa?
Sunnybrook Acres Hoa (PWSID MT0002482) is a community water system privately owned. It is regulated by the MT state drinking water program.
How many people does Sunnybrook Acres Hoa serve?
Sunnybrook Acres Hoa reports serving 50 people through 19 service connections in Jefferson County, Montana.
Where does Sunnybrook Acres Hoa 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 Sunnybrook Acres Hoa have any drinking water violations?
EPA's records list 4 violations for this system; 1 is health-based, and the most recent began in October 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 Sunnybrook Acres Hoa'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 4 violations for this system; 1 is health-based, and the most recent began in October 2020. For current results, consult the system's annual water quality report, EPA ECHO, or the MT state drinking water program.
Where can I find Sunnybrook Acres Hoa's water quality report?
As a community water system, Sunnybrook Acres Hoa 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 Jefferson County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Whitehall Town of | Jefferson | 1,500 | Community | Groundwater |
| Boulder City of | Jefferson | 1,400 | Community | Groundwater |
| Jefferson Hills Wua | Jefferson | 780 | Community | Groundwater |
| Lewis and Clark Caverns Visitor Center | Jefferson | 615 | Transient non-community | Groundwater under influence of surface water |
| Jefferson City South Rest Stop | Jefferson | 600 | Transient non-community | Groundwater |
| Montana City School Dist 27 | Jefferson | 534 | 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, “Sunnybrook Acres Hoa, PWSID MT0002482, Montana”, https://aquacensus.com/water-systems/montana/sunnybrook-acres-hoa-mt0002482 (data as of October 1, 2026).