Public water system · UTAH11002
ActiveCedar City Waterworks
At a glance
Cedar City Waterworks (PWSID UTAH11002) is an active community water system in Iron County, Utah. It reports serving 39,670 people through 10,087 service connections. Its primary water source is groundwater under influence of surface water, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in March 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
39,670
Service connections
10,087
Primary source
GU
Groundwater under influence of surface water
System type
CWS
Community water system
System record
How does Cedar City Waterworks compare with other water systems in Iron County?
By EPA's size categories, Cedar City Waterworks is a large system (10,001 to 100,000 people). Iron County has 40 active public water systems, and Cedar City Waterworks is the largest of them by population served. Its population served is about 26 times the county average of 1,523 people per system, and accounts for 65% of the 60,901 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 Cedar City Waterworks is about 5.9 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. Groundwater under the influence of surface water is well or spring water that the regulator has found to be affected by nearby surface water, so it is regulated under the surface-water treatment rules. 14 Utah systems (1.2%) list groundwater under influence of surface water as their primary source.
Who owns and regulates Cedar City Waterworks?
EPA lists Cedar City Waterworks 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. 12 of the 40 active systems in Iron County (30%) are also owned by a local government.
Does Cedar City Waterworks have drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in March 2025. The violations listed here began between January 2020 and March 2025. By type: 11 monitoring and reporting and 1 required treatment not met. The contaminants or rules involved are Surface Water Treatment Rule, 1,2-Dichloroethane, Xylenes, Total and 1,2,4-Trichlorobenzene. EPA lists 11 as resolved and 1 as addressed. 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. Addressed means the violation is not resolved or archived and is covered by formal enforcement.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2025-03-05 | Required treatment not metFailure to Filter (SWTR) · code 42 | Surface Water Treatment Rulecode 0200 | Yes | Addressed |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2-Dichloroethanecode 2980 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Xylenes, Totalcode 2955 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2,4-Trichlorobenzenecode 2378 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Vinyl chloridecode 2976 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | trans-1,2-Dichloroethylenecode 2979 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Ethylbenzenecode 2992 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Dichloromethanecode 2964 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,1-Dichloroethylenecode 2977 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Styrenecode 2996 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | p-Dichlorobenzenecode 2969 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | cis-1,2-Dichloroethylenecode 2380 | 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.
Cedar City Waterworks: frequently asked questions
Who runs Cedar City Waterworks?
Cedar City Waterworks (PWSID UTAH11002) is a community water system owned by a local government. It is regulated by the UT state drinking water program.
How many people does Cedar City Waterworks serve?
Cedar City Waterworks reports serving 39,670 people through 10,087 service connections in Iron County, Utah.
Where does Cedar City Waterworks get its water?
EPA SDWIS lists this system's primary water source as groundwater under influence of surface water. Groundwater under the influence of surface water is well or spring water that the regulator has found to be affected by nearby surface water, so it is regulated under the surface-water treatment rules.
Does Cedar City Waterworks 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 March 2025. 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 Cedar City Waterworks' 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 March 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the UT state drinking water program.
Where can I find Cedar City Waterworks' water quality report?
As a community water system, Cedar City Waterworks 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 Iron County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Enoch City Water System | Iron | 6,500 | Community | Groundwater |
| Cedar Valley Water Conservancy | Iron | 3,995 | Community | Groundwater |
| Parowan City Water System | Iron | 3,000 | Community | Groundwater |
| Brian Head Town Water System | Iron | 1,038 | Community | Groundwater |
| Mid Valley Estates | Iron | 753 | Community | Groundwater |
| Little Thunder Camp | Iron | 600 | 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, “Cedar City Waterworks, PWSID UTAH11002, Utah”, https://aquacensus.com/water-systems/utah/cedar-city-waterworks-utah11002 (data as of October 1, 2026).