Public water system · MT0000454
ActiveHollywood Heights Trailer Park LLC
At a glance
Hollywood Heights Trailer Park LLC (PWSID MT0000454) is an active community water system in Missoula County, Montana. It reports serving 220 people through 88 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 February 2012.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
220
Service connections
88
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Hollywood Heights Trailer Park LLC compare with other water systems in Missoula County?
By EPA's size categories, Hollywood Heights Trailer Park LLC is a very small system (500 people or fewer). Missoula County has 244 active public water systems. Its population served is about 62% below the county average of 576 people per system, and accounts for 0.2% of the 140,505 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 Hollywood Heights Trailer Park LLC 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 Hollywood Heights Trailer Park LLC?
EPA lists Hollywood Heights Trailer Park LLC 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. 201 of the 244 active systems in Missoula County (82%) are also privately owned.
Does Hollywood Heights Trailer Park LLC have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in February 2012. The violations listed here began between January 2002 and February 2012. By type: 11 monitoring and reporting and 1 public notice, recordkeeping or other. The contaminants or rules involved are Total coliform bacteria (TCR), Consumer Confidence Rule, Oxamyl and Arsenic. 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 |
|---|---|---|---|---|
| 2012-02-01 | Monitoring and reportingMonitoring, Repeat Minor (TCR) · code 26 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2005-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2002-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Oxamylcode 2036 | No | Resolved |
| 2002-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Arseniccode 1005 | No | Resolved |
| 2002-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Bariumcode 1010 | No | Resolved |
| 2002-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Cadmiumcode 1015 | No | Resolved |
| 2002-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Mercurycode 1035 | No | Resolved |
| 2002-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Aldicarb sulfoxidecode 2043 | No | Resolved |
| 2002-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Antimonycode 1074 | No | Resolved |
| 2002-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Berylliumcode 1075 | No | Resolved |
| 2002-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Thalliumcode 1085 | No | Resolved |
| 2002-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Chlordanecode 2959 | 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.
Hollywood Heights Trailer Park LLC: frequently asked questions
Who runs Hollywood Heights Trailer Park LLC?
Hollywood Heights Trailer Park LLC (PWSID MT0000454) is a community water system privately owned. It is regulated by the MT state drinking water program.
How many people does Hollywood Heights Trailer Park LLC serve?
Hollywood Heights Trailer Park LLC reports serving 220 people through 88 service connections in Missoula County, Montana.
Where does Hollywood Heights Trailer Park LLC 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 Hollywood Heights Trailer Park LLC 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 February 2012. 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 Hollywood Heights Trailer Park LLC'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 February 2012. For current results, consult the system's annual water quality report, EPA ECHO, or the MT state drinking water program.
Where can I find Hollywood Heights Trailer Park LLC's water quality report?
As a community water system, Hollywood Heights Trailer Park LLC 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 Missoula County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Missoula Water | Missoula | 68,200 | Community | Groundwater |
| University of Montana | Missoula | 15,000 | Non-transient non-community | Purchased groundwater |
| Lolo Water and Sewer Dist | Missoula | 3,315 | Community | Groundwater |
| Town Pump Bonner 1 | Missoula | 2,460 | Non-transient non-community | Groundwater |
| Clearwater Junction Rest Area | Missoula | 2,002 | Transient non-community | Groundwater |
| Seeley Lake Water District | Missoula | 1,575 | 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, “Hollywood Heights Trailer Park LLC, PWSID MT0000454, Montana”, https://aquacensus.com/water-systems/montana/hollywood-heights-trailer-park-llc-mt0000454 (data as of October 1, 2026).