Public water system · UTAH27065
ActiveDiamond Valley Acres
At a glance
Diamond Valley Acres (PWSID UTAH27065) is an active community water system in Washington County, Utah. It reports serving 1,340 people through 346 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, 2 are health-based, and the most recent began in June 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,340
Service connections
346
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Diamond Valley Acres compare with other water systems in Washington County?
By EPA's size categories, Diamond Valley Acres is a small system (501 to 3,300 people). Washington County has 59 active public water systems. Its population served is well below the county average of 4,138 people per system, and accounts for 0.5% of the 244,151 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 Diamond Valley Acres 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. 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 Diamond Valley Acres?
EPA lists Diamond Valley Acres 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. 27 of the 59 active systems in Washington County (46%) are also privately owned.
Does Diamond Valley Acres have drinking water violations?
Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in June 2024. The violations listed here began between January 2017 and June 2024. By type: 9 monitoring and reporting, 2 contaminant level above the legal limit and 1 monitoring. The contaminant or rule involved most often is Nitrate (4 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 |
|---|---|---|---|---|
| 2024-06-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, E. coli (RTCR) · code 1A | Revised Total Coliform Rulecode 8000 | Yes | Resolved |
| 2024-05-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, E. coli (RTCR) · code 1A | Revised Total Coliform Rulecode 8000 | Yes | Resolved |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2020-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2019-01-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2017-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Di(2-ethylhexyl) phthalatecode 2039 | No | Resolved |
| 2017-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Chlordanecode 2959 | No | Resolved |
| 2017-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Endrincode 2005 | No | Resolved |
| 2017-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Lindane (gamma-BHC)code 2010 | 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.
Diamond Valley Acres: frequently asked questions
Who runs Diamond Valley Acres?
Diamond Valley Acres (PWSID UTAH27065) is a community water system privately owned. It is regulated by the UT state drinking water program.
How many people does Diamond Valley Acres serve?
Diamond Valley Acres reports serving 1,340 people through 346 service connections in Washington County, Utah.
Where does Diamond Valley Acres 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 Diamond Valley Acres have any drinking water violations?
Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in June 2024. 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 Diamond Valley Acres' 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, 2 are health-based, and the most recent began in June 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the UT state drinking water program.
Where can I find Diamond Valley Acres' water quality report?
As a community water system, Diamond Valley Acres 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 Washington County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| St George City Water System | Washington | 105,240 | Community | Purchased surface water |
| Washington City | Washington | 45,865 | Community | Surface water |
| Hurricane City | Washington | 25,555 | Community | Purchased surface water |
| Utah Tech Culinary Water System | Washington | 12,000 | Non-transient non-community | Purchased surface water |
| Ivins | Washington | 10,465 | Community | Purchased surface water |
| Santa Clara City | Washington | 9,000 | 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, “Diamond Valley Acres, PWSID UTAH27065, Utah”, https://aquacensus.com/water-systems/utah/diamond-valley-acres-utah27065 (data as of October 1, 2026).