Public water system · UTAH23066
ActiveClean Harbors - Grassy Mtn
At a glance
Clean Harbors - Grassy Mtn (PWSID UTAH23066) is an active non-transient non-community water system in Tooele County, Utah. It reports serving 32 people through 1 service connection. Its primary water source is purchased groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in October 2023.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
32
Service connections
1
Primary source
GWP
Purchased groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Clean Harbors - Grassy Mtn compare with other water systems in Tooele County?
By EPA's size categories, Clean Harbors - Grassy Mtn is a very small system (500 people or fewer). Tooele County has 34 active public water systems. Its population served is well below the county average of 2,222 people per system, and accounts for less than 0.1% 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 non-transient non-community water system reports serving 430 people, so Clean Harbors - Grassy Mtn is well below 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. Utah has 84 active non-transient non-community water systems, 7.4% of the state's 1,133 active systems. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own. 68 Utah systems (6%) list purchased groundwater as their primary source.
Who owns and regulates Clean Harbors - Grassy Mtn?
EPA lists Clean Harbors - Grassy Mtn 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 Clean Harbors - Grassy Mtn have drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in October 2023. The violations listed here began between January 2015 and October 2023. By type: 9 monitoring and reporting, 2 monitoring and 1 required treatment not met. The contaminant or rule involved most often is Surface Water Treatment Rule (3 of them). EPA lists 11 as resolved and 1 as unaddressed. 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. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2023-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Unaddressed |
| 2019-09-02 | Required treatment not metFailure To Address Deficiency · code 45 | Groundwater Rulecode 0700 | Yes | Resolved |
| 2018-07-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2017-03-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | No | Resolved |
| 2017-02-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | No | Resolved |
| 2017-01-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2017-01-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | No | Resolved |
| 2015-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2015-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2015-04-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2015-04-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2015-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | 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.
Clean Harbors - Grassy Mtn: frequently asked questions
Who runs Clean Harbors - Grassy Mtn?
Clean Harbors - Grassy Mtn (PWSID UTAH23066) is a non-transient non-community water system privately owned. It is regulated by the UT state drinking water program.
How many people does Clean Harbors - Grassy Mtn serve?
Clean Harbors - Grassy Mtn reports serving 32 people through 1 service connection in Tooele County, Utah.
Where does Clean Harbors - Grassy Mtn get its water?
EPA SDWIS lists this system's primary water source as purchased groundwater. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own.
Does Clean Harbors - Grassy Mtn have any drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in October 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 Clean Harbors - Grassy Mtn'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, one is health-based, and the most recent began in October 2023. For current results, consult EPA ECHO, or the UT state drinking water program.
Where can I find Clean Harbors - Grassy Mtn's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Clean Harbors - Grassy Mtn 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 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 |
| Oquirrh Mountain Water Co | Tooele | 2,500 | Community | Groundwater |
| Wendover City Water System | Tooele | 1,525 | Community | Surface water |
| Erda Acres Water Co | Tooele | 1,150 | 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, “Clean Harbors - Grassy Mtn, PWSID UTAH23066, Utah”, https://aquacensus.com/water-systems/utah/clean-harbors-grassy-mtn-utah23066 (data as of October 1, 2026).