Skip to content
AquaCensus

Public water system · UTAH29016

Active

Roy City Water System

At a glance

Roy City Water System (PWSID UTAH29016) is an active community water system in Weber County, Utah. It reports serving 38,800 people through 11,267 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, one is health-based, and the most recent began in December 2017.

Dataset updated . Source: EPA SDWIS/ECHO public records.

Population served

38,800

Service connections

11,267

Primary source

SWP

Purchased surface water

System type

CWS

Community water system

System record

PWSIDUTAH29016
System typeCommunity water system
Activity statusActive
Population served38,800
Service connections11,267
Primary water sourcePurchased surface water
Owner typeLocal government
Primacy agencyUT state drinking water program
City served—
StateUtah
ZIP—
CountyWeber County

How does Roy City Water System compare with other water systems in Weber County?

By EPA's size categories, Roy City Water System is a large system (10,001 to 100,000 people). Weber County has 58 active public water systems, and Roy City Water System is the 2nd-largest of them by population served. Its population served is about 7.6 times the county average of 5,137 people per system, and accounts for 13% of the 297,922 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 Roy City Water System is about 5.8 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 Roy City Water System?

EPA lists Roy 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. 20 of the 58 active systems in Weber County (34%) are also owned by a local government.

Does Roy City Water System have drinking water violations?

Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in December 2017. The violations listed here began between January 2017 and December 2017. By type: 8 monitoring and reporting, 2 reporting, 1 required treatment not met and 1 monitoring. The contaminant or rule involved most often is Surface Water Treatment Rule (6 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.

BeganViolationContaminant or ruleHealth-basedStatus
2017-12-13ReportingReport Sample Result/Fail Monitor (RTCR) · code 4BRevised Total Coliform Rulecode 8000NoResolved
2017-09-04Required treatment not metFailure To Address Deficiency · code 45Groundwater Rulecode 0700YesResolved
2017-09-01Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36Surface Water Treatment Rulecode 0200NoResolved
2017-08-01Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36Surface Water Treatment Rulecode 0200NoResolved
2017-08-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2017-07-01Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36Surface Water Treatment Rulecode 0200NoResolved
2017-04-09ReportingReport Sample Result/Fail Monitor (RTCR) · code 4BRevised Total Coliform Rulecode 8000NoResolved
2017-04-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Haloacetic acids (HAA5)code 2456NoResolved
2017-04-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Total trihalomethanes (TTHM)code 2950NoResolved
2017-03-01Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36Surface Water Treatment Rulecode 0200NoResolved
2017-02-01Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36Surface Water Treatment Rulecode 0200NoResolved
2017-01-01Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36Surface Water Treatment Rulecode 0200NoResolved

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.

Roy City Water System: frequently asked questions

Who runs Roy City Water System?

Roy City Water System (PWSID UTAH29016) is a community water system owned by a local government. It is regulated by the UT state drinking water program.

How many people does Roy City Water System serve?

Roy City Water System reports serving 38,800 people through 11,267 service connections in Weber County, Utah.

Where does Roy 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 Roy City Water System 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 December 2017. 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 Roy 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, one is health-based, and the most recent began in December 2017. For current results, consult the system's annual water quality report, EPA ECHO, or the UT state drinking water program.

Where can I find Roy City Water System's water quality report?

As a community water system, Roy 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 Weber County

Water systemCountyPopulation servedTypeSource
Ogden City Water SystemWeber87,267CommunitySurface water
Bona Vista Water DistrictWeber29,000CommunityPurchased surface water
North Ogden CityWeber22,000CommunityGroundwater
Hooper Water Improvement DistrictWeber20,820CommunityGroundwater
Weber State University - Ogden CampusWeber20,000Non-transient non-communityPurchased surface water
South Ogden City Water SystemWeber17,500CommunityPurchased surface water

Related pages

Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.

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, “Roy City Water System, PWSID UTAH29016, Utah”, https://aquacensus.com/water-systems/utah/roy-city-water-system-utah29016 (data as of October 1, 2026).