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Public water system · AZ0410064

Active

Gw Saguaro Dist Water Co - Las Quintas

At a glance

Gw Saguaro Dist Water Co - Las Quintas (PWSID AZ0410064) is an active community water system in Pima County, Arizona. It reports serving 3,720 people through 1,240 service connections. Its primary water source is groundwater, 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 October 2023.

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

Population served

3,720

Service connections

1,240

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDAZ0410064
System typeCommunity water system
Activity statusActive
Population served3,720
Service connections1,240
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyAZ state drinking water program
City servedGreen Valley
StateArizona
ZIP—
CountyPima County

How does Gw Saguaro Dist Water Co - Las Quintas compare with other water systems in Pima County?

By EPA's size categories, Gw Saguaro Dist Water Co - Las Quintas is a medium system (3,301 to 10,000 people). Pima County has 193 active public water systems. Its population served is about 37% below the county average of 5,896 people per system, and accounts for 0.3% of the 1,137,975 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 Gw Saguaro Dist Water Co - Las Quintas is about 44% below 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. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 1,612 Arizona systems (91%) list groundwater as their primary source.

Who owns and regulates Gw Saguaro Dist Water Co - Las Quintas?

EPA lists Gw Saguaro Dist Water Co - Las Quintas 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. 76 of the 193 active systems in Pima County (39%) are also privately owned.

Does Gw Saguaro Dist Water Co - Las Quintas 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 2023. The violations listed here began between January 2016 and October 2023. By type: 9 monitoring and reporting, 2 monitoring and 1 reporting. The contaminant or rule involved most often is Chlorine (5 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
2023-10-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoResolved
2022-10-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Chlorinecode 0999NoResolved
2021-07-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Chlorinecode 0999NoResolved
2019-10-01ReportingReport Sample Result/Fail Monitor (RTCR) · code 4BRevised Total Coliform Rulecode 8000NoResolved
2018-01-01Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved
2017-11-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2017-10-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoResolved
2017-07-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Chlorinecode 0999NoResolved
2016-11-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2016-07-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Chlorinecode 0999NoResolved
2016-01-01Monitoring and reportingMonitoring, Regular · code 03Arseniccode 1005NoResolved
2016-01-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Chlorinecode 0999NoResolved

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.

Gw Saguaro Dist Water Co - Las Quintas: frequently asked questions

Who runs Gw Saguaro Dist Water Co - Las Quintas?

Gw Saguaro Dist Water Co - Las Quintas (PWSID AZ0410064) is a community water system privately owned. It is regulated by the AZ state drinking water program.

How many people does Gw Saguaro Dist Water Co - Las Quintas serve?

Gw Saguaro Dist Water Co - Las Quintas reports serving 3,720 people through 1,240 service connections in Pima County, Arizona.

Where does Gw Saguaro Dist Water Co - Las Quintas get its water?

EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.

Does Gw Saguaro Dist Water Co - Las Quintas 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 2023. 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 Gw Saguaro Dist Water Co - Las Quintas' 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 2023. For current results, consult the system's annual water quality report, EPA ECHO, or the AZ state drinking water program.

Where can I find Gw Saguaro Dist Water Co - Las Quintas' water quality report?

As a community water system, Gw Saguaro Dist Water Co - Las Quintas 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 Pima County

Water systemCountyPopulation servedTypeSource
Tucson City ofPima732,906CommunityGroundwater
University of ArizonaPima50,000Non-transient non-communityGroundwater
Metropolitan DwidPima45,570CommunityGroundwater
Oro Valley Water UtilityPima42,316CommunityGroundwater
Community Wc of Green ValleyPima22,085CommunityGroundwater
Usaf Davis Monthan AfbPima18,640CommunityGroundwater

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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, “Gw Saguaro Dist Water Co - Las Quintas, PWSID AZ0410064, Arizona”, https://aquacensus.com/water-systems/arizona/gw-saguaro-dist-water-co-las-quintas-az0410064 (data as of October 1, 2026).