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Public water system · UTAH06018

Active

Layton City Water System

At a glance

Layton City Water System (PWSID UTAH06018) is an active community water system in Davis County, Utah. It reports serving 82,000 people through 20,976 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 March 2017.

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

Population served

82,000

Service connections

20,976

Primary source

SWP

Purchased surface water

System type

CWS

Community water system

System record

PWSIDUTAH06018
System typeCommunity water system
Activity statusActive
Population served82,000
Service connections20,976
Primary water sourcePurchased surface water
Owner typeLocal government
Primacy agencyUT state drinking water program
City served—
StateUtah
ZIP—
CountyDavis County

How does Layton City Water System compare with other water systems in Davis County?

By EPA's size categories, Layton City Water System is a large system (10,001 to 100,000 people). Davis County has 26 active public water systems, and Layton City Water System is the largest of them by population served. Its population served is about 5.2 times the county average of 15,868 people per system, and accounts for 20% of the 412,569 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 Layton City Water System is about 12 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 Layton City Water System?

EPA lists Layton 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. 18 of the 26 active systems in Davis County (69%) are also owned by a local government.

Does Layton 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 March 2017. The violations listed here began between January 2003 and March 2017. By type: 10 monitoring and reporting and 2 reporting. The contaminant or rule involved most often is Nitrate (3 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
2017-03-27ReportingReport Sample Result/Fail Monitor (RTCR) · code 4BRevised Total Coliform Rulecode 8000NoResolved
2016-05-01ReportingReport Sample Result/Fail Monitor (RTCR) · code 4BRevised Total Coliform Rulecode 8000NoResolved
2014-01-01Monitoring and reportingMonitoring, Regular · code 03Fluoridecode 1025NoResolved
2011-01-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoResolved
2010-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2010-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2008-01-01Monitoring and reportingMonitoring, Regular · code 03Combined Uraniumcode 4006NoResolved
2008-01-01Monitoring and reportingMonitoring, Regular · code 03Radium-226code 4020NoResolved
2008-01-01Monitoring and reportingMonitoring, Regular · code 03Radium-228code 4030NoResolved
2008-01-01Monitoring and reportingMonitoring, Regular · code 03Combined Radium (-226 and -228)code 4010NoResolved
2008-01-01Monitoring and reportingMonitoring, Regular · code 03Gross alpha (excluding radon and uranium)code 4000NoResolved
2003-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved

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.

Layton City Water System: frequently asked questions

Who runs Layton City Water System?

Layton City Water System (PWSID UTAH06018) is a community water system owned by a local government. It is regulated by the UT state drinking water program.

How many people does Layton City Water System serve?

Layton City Water System reports serving 82,000 people through 20,976 service connections in Davis County, Utah.

Where does Layton 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 Layton 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 March 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 Layton 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 March 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 Layton City Water System's water quality report?

As a community water system, Layton 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 Davis County

Water systemCountyPopulation servedTypeSource
Bountiful City Water SystemDavis37,500CommunitySurface water
Syracuse City Water SystemDavis35,561CommunityPurchased surface water
Clearfield City Water SystemDavis33,540CommunityPurchased surface water
Kaysville City Water SystemDavis32,976CommunityPurchased surface water
Farmington City Water SystemDavis27,860CommunityPurchased surface water
Hill Air Force BaseDavis25,625CommunityPurchased 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, “Layton City Water System, PWSID UTAH06018, Utah”, https://aquacensus.com/water-systems/utah/layton-city-water-system-utah06018 (data as of October 1, 2026).