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AquaCensus

Public water system · 090400042

Active

Sells Intertie

At a glance

Sells Intertie (PWSID 090400042) is an active community water system in Arizona. It reports serving 4,000 people through 1,303 service connections. Its primary water source is groundwater, and EPA lists it as Native American-owned. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in October 2007.

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

Population served

4,000

Service connections

1,303

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSID090400042
System typeCommunity water system
Activity statusActive
Population served4,000
Service connections1,303
Primary water sourceGroundwater
Owner typeNative American
Primacy agencyEPA Region 09
City servedSells, Big Fields
StateArizona
ZIP—
County—

How does Sells Intertie compare with other water systems in Arizona?

By EPA's size categories, Sells Intertie is a medium system (3,301 to 10,000 people). 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 Sells Intertie is about 40% 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 Sells Intertie?

EPA lists Sells Intertie as Native American-owned. The EPA Region 09 is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act.

Does Sells Intertie 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 2007. The violations listed here began between January 2004 and October 2007. By type: 12 monitoring and 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
2007-10-01Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24Total coliform bacteria (TCR)code 3100NoResolved
2007-09-01Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24Total coliform bacteria (TCR)code 3100NoResolved
2006-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2005-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2004-01-01Monitoring and reportingMonitoring, Regular · code 03Benzo(a)pyrenecode 2306NoResolved
2004-01-01Monitoring and reportingMonitoring, Regular · code 03Ethylene dibromide (EDB)code 2946NoResolved
2004-01-01Monitoring and reportingMonitoring, Regular · code 03Dinosebcode 2041NoResolved
2004-01-01Monitoring and reportingMonitoring, Regular · code 03Di(2-ethylhexyl) phthalatecode 2039NoResolved
2004-01-01Monitoring and reportingMonitoring, Regular · code 03Heptachlor epoxidecode 2067NoResolved
2004-01-01Monitoring and reportingMonitoring, Regular · code 03Oxamylcode 2036NoResolved
2004-01-01Monitoring and reportingMonitoring, Regular · code 03Endothallcode 2033NoResolved
2004-01-01Monitoring 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.

Sells Intertie: frequently asked questions

Who runs Sells Intertie?

Sells Intertie (PWSID 090400042) is a community water system Native American-owned. It is regulated by the EPA Region 09.

How many people does Sells Intertie serve?

Sells Intertie reports serving 4,000 people through 1,303 service connections in Arizona.

Where does Sells Intertie 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 Sells Intertie 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 2007. 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 Sells Intertie'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 2007. For current results, consult the system's annual water quality report, EPA ECHO, or the EPA Region 09.

Where can I find Sells Intertie's water quality report?

As a community water system, Sells Intertie 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 Arizona

Water systemCountyPopulation servedTypeSource
Phoenix City ofMaricopa1,695,000CommunitySurface water
Tucson City ofPima732,906CommunityGroundwater
Mesa City ofMaricopa466,000CommunitySurface water
Gilbert, Town ofMaricopa247,600CommunitySurface water
Chandler City ofMaricopa247,328CommunitySurface water
Scottsdale City ofMaricopa241,361CommunitySurface 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, “Sells Intertie, PWSID 090400042, Arizona”, https://aquacensus.com/water-systems/arizona/sells-intertie-090400042 (data as of October 1, 2026).