Public water system · UTAH18017
ActiveMidvale City Water System
At a glance
Midvale City Water System (PWSID UTAH18017) is an active community water system in Salt Lake County, Utah. It reports serving 33,005 people through 7,908 service connections. Its primary water source is purchased surface water, 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 April 2022.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
33,005
Service connections
7,908
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Midvale City Water System compare with other water systems in Salt Lake County?
By EPA's size categories, Midvale City Water System is a large system (10,001 to 100,000 people). Salt Lake County has 77 active public water systems. Its population served is about 73% above the county average of 19,034 people per system, and accounts for 2.3% of the 1,465,589 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 Midvale City Water System is about 4.9 times 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. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 106 Utah systems (9.4%) list purchased surface water as their primary source.
Who owns and regulates Midvale City Water System?
EPA lists Midvale City Water System 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. 23 of the 77 active systems in Salt Lake County (30%) are also owned by a local government.
Does Midvale City Water System have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in April 2022. The violations listed here began between April 2022 and April 2022. By type: 12 monitoring and reporting. The contaminant or rule involved most often is trans-1,2-Dichloroethylene (2 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 |
|---|---|---|---|---|
| 2022-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,1,1-Trichloroethanecode 2981 | No | Resolved |
| 2022-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | trans-1,2-Dichloroethylenecode 2979 | No | Resolved |
| 2022-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2-Dichloroethanecode 2980 | No | Resolved |
| 2022-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Ethylbenzenecode 2992 | No | Resolved |
| 2022-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | p-Dichlorobenzenecode 2969 | No | Resolved |
| 2022-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Vinyl chloridecode 2976 | No | Resolved |
| 2022-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Toluenecode 2991 | No | Resolved |
| 2022-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Xylenes, Totalcode 2955 | No | Resolved |
| 2022-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2-Dichloropropanecode 2983 | No | Resolved |
| 2022-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Xylenes, Totalcode 2955 | No | Resolved |
| 2022-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | trans-1,2-Dichloroethylenecode 2979 | No | Resolved |
| 2022-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Carbon tetrachloridecode 2982 | 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.
Midvale City Water System: frequently asked questions
Who runs Midvale City Water System?
Midvale City Water System (PWSID UTAH18017) is a community water system owned by a local government. It is regulated by the UT state drinking water program.
How many people does Midvale City Water System serve?
Midvale City Water System reports serving 33,005 people through 7,908 service connections in Salt Lake County, Utah.
Where does Midvale City Water System get its water?
EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.
Does Midvale City Water System 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 April 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 Midvale City Water System'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 April 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 Midvale City Water System's water quality report?
As a community water system, Midvale City Water System 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 Salt Lake County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Salt Lake City Water System | Salt Lake | 383,612 | Community | Surface water |
| Granger-Hunter Improvement District | Salt Lake | 121,083 | Community | Purchased surface water |
| West Jordan City Water System | Salt Lake | 117,025 | Community | Purchased surface water |
| Sandy City Water System | Salt Lake | 99,750 | Community | Purchased surface water |
| Jordan Valley Wcd | Salt Lake | 99,335 | Community | Surface water |
| South Jordan City | Salt Lake | 89,704 | 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, “Midvale City Water System, PWSID UTAH18017, Utah”, https://aquacensus.com/water-systems/utah/midvale-city-water-system-utah18017 (data as of October 1, 2026).