Public water system · MT0000570
ActiveHighland Park Utilities Assn
At a glance
Highland Park Utilities Assn (PWSID MT0000570) is an active community water system in Dawson County, Montana. It reports serving 500 people through 141 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 July 2023.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
500
Service connections
141
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Highland Park Utilities Assn compare with other water systems in Dawson County?
By EPA's size categories, Highland Park Utilities Assn is a very small system (500 people or fewer). Dawson County has 32 active public water systems, and Highland Park Utilities Assn is the 5th-largest of them by population served. Its population served is about 52% above the county average of 330 people per system, and accounts for 4.7% of the 10,547 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 Highland Park Utilities 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. 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 Highland Park Utilities Assn?
EPA lists Highland Park Utilities Assn 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. 25 of the 32 active systems in Dawson County (78%) are also privately owned.
Does Highland Park Utilities 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 July 2023. The violations listed here began between January 2003 and July 2023. By type: 9 monitoring and reporting and 3 public notice, recordkeeping or other. The contaminant or rule involved most often is Consumer Confidence Rule (2 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 |
|---|---|---|---|---|
| 2023-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitrate-Nitritecode 1038 | No | Resolved |
| 2016-04-02 | Public notice, recordkeeping or otherSample Siting Plan Errors (RTCR) · code 5A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2013-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2011-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Asbestoscode 1094 | No | Resolved |
| 2008-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2006-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2006-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2005-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Di(2-ethylhexyl) phthalatecode 2039 | No | Resolved |
| 2005-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Di(2-ethylhexyl) phthalatecode 2039 | No | Resolved |
| 2004-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2003-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitrate-Nitritecode 1038 | 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.
Highland Park Utilities Assn: frequently asked questions
Who runs Highland Park Utilities Assn?
Highland Park Utilities Assn (PWSID MT0000570) is a community water system privately owned. It is regulated by the MT state drinking water program.
How many people does Highland Park Utilities Assn serve?
Highland Park Utilities Assn reports serving 500 people through 141 service connections in Dawson County, Montana.
Where does Highland Park Utilities 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 Highland Park Utilities 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 July 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 Highland Park Utilities 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 July 2023. For current results, consult the system's annual water quality report, EPA ECHO, or the MT state drinking water program.
Where can I find Highland Park Utilities Assn's water quality report?
As a community water system, Highland Park Utilities 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 Dawson County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Glendive City of | Dawson | 4,873 | Community | Surface water |
| Forest Park Water Rsid 24 | Dawson | 1,200 | Community | Groundwater |
| Town Pump Travel Plaza Glendive | Dawson | 600 | Transient non-community | Groundwater |
| Westgate Cenex | Dawson | 600 | Transient non-community | Groundwater |
| Trail Star Cafe and Truck Stop | Dawson | 400 | Transient non-community | Groundwater |
| Jefferson School District No 1 | Dawson | 270 | Non-transient non-community | Purchased 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, “Highland Park Utilities Assn, PWSID MT0000570, Montana”, https://aquacensus.com/water-systems/montana/highland-park-utilities-assn-mt0000570 (data as of October 1, 2026).