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Public water system · AZ0414004

Active

Foothills Water and Sewer LLC

At a glance

Foothills Water and Sewer LLC (PWSID AZ0414004) is an active community water system in Yuma County, Arizona. It reports serving 32,425 people through 15,295 service connections. Its primary water source is surface water, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in February 2025.

This page covers its drinking water system only; sewer and wastewater service are not part of EPA's drinking water records.

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

Population served

32,425

Service connections

15,295

Primary source

SW

Surface water

System type

CWS

Community water system

System record

PWSIDAZ0414004
System typeCommunity water system
Activity statusActive
Population served32,425
Service connections15,295
Primary water sourceSurface water
Owner typePrivate
Primacy agencyAZ state drinking water program
City servedYuma
StateArizona
ZIP—
CountyYuma County

How does Foothills Water and Sewer LLC compare with other water systems in Yuma County?

By EPA's size categories, Foothills Water and Sewer LLC is a large system (10,001 to 100,000 people). Yuma County has 50 active public water systems, and Foothills Water and Sewer LLC is the 3rd-largest of them by population served. Its population served is about 7.4 times the county average of 4,392 people per system, and accounts for 15% of the 219,583 people reported by systems filed under the county. Across Arizona, the 1,769 active systems average 4,369 people each. Nationally, the average active community water system reports serving 6,703 people, so Foothills Water and Sewer LLC is about 4.8 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. Arizona has 936 active community water systems, 53% of the state's 1,769 active systems. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 61 Arizona systems (3.4%) list surface water as their primary source.

Who owns and regulates Foothills Water and Sewer LLC?

EPA lists Foothills Water and Sewer LLC as privately owned. The AZ state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 19 of the 50 active systems in Yuma County (38%) are also privately owned.

Does Foothills Water and Sewer LLC have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in February 2025. The violations listed here began between January 2024 and February 2025. By type: 8 monitoring and reporting, 3 monitoring and 1 reporting. The contaminant or rule involved most often is Revised Total Coliform Rule (4 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
2025-02-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2025-01-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2025-01-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Haloacetic acids (HAA5)code 2456NoResolved
2025-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2025-01-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Total trihalomethanes (TTHM)code 2950NoResolved
2024-12-30Monitoring and reportingFailure Submit IDSE/Subpart V Plan Rpt · code 35Total trihalomethanes (TTHM)code 2950NoResolved
2024-12-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2024-12-01ReportingReport Sample Result/Fail Monitor (RTCR) · code 4BRevised Total Coliform Rulecode 8000NoResolved
2024-10-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Total trihalomethanes (TTHM)code 2950NoResolved
2024-10-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Haloacetic acids (HAA5)code 2456NoResolved
2024-01-01Monitoring and reportingMonitoring, Regular · code 03Toluenecode 2991NoResolved
2024-01-01Monitoring and reportingMonitoring, Regular · code 03Ethylbenzenecode 2992NoResolved

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.

Foothills Water and Sewer LLC: frequently asked questions

Who runs Foothills Water and Sewer LLC?

Foothills Water and Sewer LLC (PWSID AZ0414004) is a community water system privately owned. It is regulated by the AZ state drinking water program.

How many people does Foothills Water and Sewer LLC serve?

Foothills Water and Sewer LLC reports serving 32,425 people through 15,295 service connections in Yuma County, Arizona.

Where does Foothills Water and Sewer LLC get its water?

EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.

Does Foothills Water and Sewer LLC 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 February 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 Foothills Water and Sewer LLC'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 February 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the AZ state drinking water program.

Where can I find Foothills Water and Sewer LLC's water quality report?

As a community water system, Foothills Water and Sewer LLC 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 Yuma County

Water systemCountyPopulation servedTypeSource
City of YumaYuma103,264CommunitySurface water
San Luis City ofYuma39,705CommunityGroundwater
Somerton City ofYuma14,197CommunityGroundwater
Usmc Yuma Main SystemYuma8,353CommunitySurface water
Aspc YumaYuma4,197CommunityGroundwater
Wellton Town ofYuma3,000CommunitySurface 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, “Foothills Water and Sewer LLC, PWSID AZ0414004, Arizona”, https://aquacensus.com/water-systems/arizona/foothills-water-and-sewer-llc-az0414004 (data as of October 1, 2026).