Public water system · UTAH10023
ActiveGrand Water and Sewer Agency
At a glance
Grand Water and Sewer Agency (PWSID UTAH10023) is an active community water system in Grand County, Utah. It reports serving 4,099 people through 2,283 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2020.
This page covers its drinking water system only; sewer and wastewater service are not part of EPA's drinking water records.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
4,099
Service connections
2,283
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Grand Water and Sewer Agency compare with other water systems in Grand County?
By EPA's size categories, Grand Water and Sewer Agency is a medium system (3,301 to 10,000 people). Grand County has 17 active public water systems, and Grand Water and Sewer Agency is the 2nd-largest of them by population served. Its population served is about 3.3 times the county average of 1,254 people per system, and accounts for 19% of the 21,322 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 Grand Water and Sewer Agency is about 39% 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 Grand Water and Sewer Agency?
EPA lists Grand Water and Sewer Agency as owned by a local government. 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. 4 of the 17 active systems in Grand County (24%) are also owned by a local government.
Does Grand Water and Sewer Agency 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 2020. The violations listed here began between January 2020 and January 2020. By type: 12 monitoring and reporting. The contaminants or rules involved are Dinoseb, Picloram, Alachlor (Lasso) and Toxaphene. 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 |
|---|---|---|---|---|
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Dinosebcode 2041 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Picloramcode 2040 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Alachlor (Lasso)code 2051 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Toxaphenecode 2020 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Oxamylcode 2036 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Simazinecode 2037 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Endrincode 2005 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Dalaponcode 2031 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Lindane (gamma-BHC)code 2010 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Methoxychlorcode 2015 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Di(2-ethylhexyl) adipatecode 2035 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Heptachlor epoxidecode 2067 | 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.
Grand Water and Sewer Agency: frequently asked questions
Who runs Grand Water and Sewer Agency?
Grand Water and Sewer Agency (PWSID UTAH10023) is a community water system owned by a local government. It is regulated by the UT state drinking water program.
How many people does Grand Water and Sewer Agency serve?
Grand Water and Sewer Agency reports serving 4,099 people through 2,283 service connections in Grand County, Utah.
Where does Grand Water and Sewer Agency 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 Grand Water and Sewer Agency 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 2020. 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 Grand Water and Sewer Agency'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 2020. For current results, consult the system's annual water quality report, EPA ECHO, or the UT state drinking water program.
Where can I find Grand Water and Sewer Agency's water quality report?
As a community water system, Grand Water and Sewer Agency 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 Grand County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Moab City | Grand | 9,000 | Community | Groundwater |
| Red Cliffs Partners LLC | Grand | 3,046 | Non-transient non-community | Groundwater |
| Dead Horse Point | Grand | 2,822 | Transient non-community | Purchased groundwater |
| Utah Raptor State Park | Grand | 1,030 | Non-transient non-community | Groundwater |
| Sorrel River Ranch Water | Grand | 260 | Community | Surface water |
| Arches Np-Devils Garden | Grand | 191 | Transient non-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, “Grand Water and Sewer Agency, PWSID UTAH10023, Utah”, https://aquacensus.com/water-systems/utah/grand-water-and-sewer-agency-utah10023 (data as of October 1, 2026).