Public water system · UTAH23076
ActiveOquirrh Mountain Water Co
At a glance
Oquirrh Mountain Water Co (PWSID UTAH23076) is an active community water system in Tooele County, Utah. It reports serving 2,500 people through 759 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 January 2022.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
2,500
Service connections
759
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Oquirrh Mountain Water Co compare with other water systems in Tooele County?
By EPA's size categories, Oquirrh Mountain Water Co is a small system (501 to 3,300 people). Tooele County has 34 active public water systems, and Oquirrh Mountain Water Co is the 4th-largest of them by population served. Its population served is about 13% above the county average of 2,222 people per system, and accounts for 3.3% of the 75,542 people reported by systems filed under the county. Across Utah, the 1,133 active systems average 3,458 people each. Nationally, the average active community water system reports serving 6,703 people, so Oquirrh Mountain Water Co is about 63% 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. Utah has 540 active community water systems, 48% of the state's 1,133 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 898 Utah systems (79%) list groundwater as their primary source.
Who owns and regulates Oquirrh Mountain Water Co?
EPA lists Oquirrh Mountain Water Co as privately owned. The UT state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 20 of the 34 active systems in Tooele County (59%) are also privately owned.
Does Oquirrh Mountain Water Co have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2022. The violations listed here began between January 2020 and January 2022. By type: 12 monitoring and reporting. The contaminants or rules involved are Gross alpha (excluding radon and uranium), Radium-228, Radium-226 and Nickel. 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 |
|---|---|---|---|---|
| 2022-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Gross alpha (excluding radon and uranium)code 4000 | No | Resolved |
| 2022-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Radium-228code 4030 | No | Resolved |
| 2022-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Radium-226code 4020 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nickelcode 1036 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Fluoridecode 1025 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Mercurycode 1035 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Bariumcode 1010 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Cadmiumcode 1015 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Antimonycode 1074 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Arseniccode 1005 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Cyanidecode 1024 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Berylliumcode 1075 | 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.
Oquirrh Mountain Water Co: frequently asked questions
Who runs Oquirrh Mountain Water Co?
Oquirrh Mountain Water Co (PWSID UTAH23076) is a community water system privately owned. It is regulated by the UT state drinking water program.
How many people does Oquirrh Mountain Water Co serve?
Oquirrh Mountain Water Co reports serving 2,500 people through 759 service connections in Tooele County, Utah.
Where does Oquirrh Mountain Water Co 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 Oquirrh Mountain Water Co 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 January 2022. 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 Oquirrh Mountain Water Co'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 January 2022. For current results, consult the system's annual water quality report, EPA ECHO, or the UT state drinking water program.
Where can I find Oquirrh Mountain Water Co's water quality report?
As a community water system, Oquirrh Mountain Water Co 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 Tooele County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Tooele City Water System | Tooele | 37,100 | Community | Groundwater |
| Grantsville City | Tooele | 16,284 | Community | Groundwater |
| Stansbury Park Improvement District | Tooele | 9,839 | Community | Groundwater |
| Wendover City Water System | Tooele | 1,525 | Community | Surface water |
| Erda Acres Water Co | Tooele | 1,150 | Community | Groundwater |
| Dugway - Ditto Tech Center | Tooele | 920 | Non-transient non-community | Groundwater |
Related pages
Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
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, “Oquirrh Mountain Water Co, PWSID UTAH23076, Utah”, https://aquacensus.com/water-systems/utah/oquirrh-mountain-water-co-utah23076 (data as of October 1, 2026).