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Public water system · UTAH06004

Active

Farmington City Water System

At a glance

Farmington City Water System (PWSID UTAH06004) is an active community water system in Davis County, Utah. It reports serving 27,860 people through 6,355 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 October 2017.

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

Population served

27,860

Service connections

6,355

Primary source

SWP

Purchased surface water

System type

CWS

Community water system

System record

PWSIDUTAH06004
System typeCommunity water system
Activity statusActive
Population served27,860
Service connections6,355
Primary water sourcePurchased surface water
Owner typeLocal government
Primacy agencyUT state drinking water program
City served—
StateUtah
ZIP—
CountyDavis County

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

By EPA's size categories, Farmington City Water System is a large system (10,001 to 100,000 people). Davis County has 26 active public water systems, and Farmington City Water System is the 6th-largest of them by population served. Its population served is about 76% above the county average of 15,868 people per system, and accounts for 6.8% 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 Farmington City Water System is about 4.2 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 Farmington City Water System?

EPA lists Farmington 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 Farmington 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 October 2017. The violations listed here began between July 2014 and October 2017. By type: 11 monitoring and reporting and 1 public notice, recordkeeping or other. The contaminants or rules involved are Revised Total Coliform Rule, Di(2-ethylhexyl) phthalate, Heptachlor and Dinoseb. 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
2017-10-01Public notice, recordkeeping or otherSample Siting Plan Errors (RTCR) · code 5ARevised Total Coliform Rulecode 8000NoResolved
2014-07-01Monitoring and reportingMonitoring, Regular · code 03Di(2-ethylhexyl) phthalatecode 2039NoResolved
2014-07-01Monitoring and reportingMonitoring, Regular · code 03Heptachlorcode 2065NoResolved
2014-07-01Monitoring and reportingMonitoring, Regular · code 03Dinosebcode 2041NoResolved
2014-07-01Monitoring and reportingMonitoring, Regular · code 03Dalaponcode 2031NoResolved
2014-07-01Monitoring and reportingMonitoring, Regular · code 03Simazinecode 2037NoResolved
2014-07-01Monitoring and reportingMonitoring, Regular · code 032,4-Dcode 2105NoResolved
2014-07-01Monitoring and reportingMonitoring, Regular · code 03Heptachlor epoxidecode 2067NoResolved
2014-07-01Monitoring and reportingMonitoring, Regular · code 03Carbofurancode 2046NoResolved
2014-07-01Monitoring and reportingMonitoring, Regular · code 03Picloramcode 2040NoResolved
2014-07-01Monitoring and reportingMonitoring, Regular · code 03Atrazinecode 2050NoResolved
2014-07-01Monitoring and reportingMonitoring, Regular · code 03Endrincode 2005NoResolved

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.

Farmington City Water System: frequently asked questions

Who runs Farmington City Water System?

Farmington City Water System (PWSID UTAH06004) is a community water system owned by a local government. It is regulated by the UT state drinking water program.

How many people does Farmington City Water System serve?

Farmington City Water System reports serving 27,860 people through 6,355 service connections in Davis County, Utah.

Where does Farmington 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 Farmington 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 October 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 Farmington 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 October 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 Farmington City Water System's water quality report?

As a community water system, Farmington 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
Layton City Water SystemDavis82,000CommunityPurchased surface water
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
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, “Farmington City Water System, PWSID UTAH06004, Utah”, https://aquacensus.com/water-systems/utah/farmington-city-water-system-utah06004 (data as of October 1, 2026).