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AquaCensus

Public water system · 090400114

Active

Scua Upper Seven Mile

Community water system in Arizona, drawing primarily on groundwater.

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

Population served

8,478

Service connections

1,750

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSID090400114
System typeCommunity water system
Activity statusActive
Population served8,478
Service connections1,750
Primary water sourceGroundwater
Owner typeNative American
Primacy agencyEPA Region 09
City served—
StateArizona
ZIP—
County—

Violations & enforcement

BeganViolationContaminant or ruleHealth-basedStatus
2026-01-31Required treatment not metTreatment Technique, Corrective/Expedited Actions (RTCR) · code 2CRevised Total Coliform Rulecode 8000YesUnaddressed
2026-01-31Required treatment not metTreatment Technique, Corrective/Expedited Actions (RTCR) · code 2CRevised Total Coliform Rulecode 8000YesUnaddressed
2025-11-28Required treatment not metFailure To Address Deficiency · code 45Groundwater Rulecode 0700YesUnaddressed
2025-11-28Required treatment not metTreatment Technique, Corrective/Expedited Actions (RTCR) · code 2CRevised Total Coliform Rulecode 8000YesUnaddressed
2025-11-28Required treatment not metFailure To Address Deficiency · code 45Groundwater Rulecode 0700YesUnaddressed
2025-11-01Contaminant level above the legal limitMaximum Contaminant Level Violation, E. coli (RTCR) · code 1ARevised Total Coliform Rulecode 8000YesResolved
2025-11-01Required treatment not metFailure To Address Deficiency · code 45Groundwater Rulecode 0700YesUnaddressed
2025-11-01Required treatment not metFailure To Address Deficiency · code 45Groundwater Rulecode 0700YesUnaddressed
2025-11-01Required treatment not metFailure To Address Deficiency · code 45Groundwater Rulecode 0700YesUnaddressed
2025-10-24Required treatment not metFailure To Address Deficiency · code 45Groundwater Rulecode 0700YesUnaddressed
2025-10-10Required treatment not metFailure To Address Deficiency · code 45Groundwater Rulecode 0700YesUnaddressed
2025-10-01Monitoring 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.

Scua Upper Seven Mile: frequently asked questions

Is Scua Upper Seven Mile's water safe to drink?

Scua Upper Seven Mile is an active community water system regulated under the Safe Drinking Water Act, overseen by the EPA Region 09. EPA's SDWA data records violations for this system — the most recent are listed on this page, including health-based violations; consult EPA ECHO or your annual Consumer Confidence Report for its current compliance status.

Who runs Scua Upper Seven Mile?

Scua Upper Seven Mile (PWSID 090400114) is a native american-owned community water system, regulated by the EPA Region 09.

How many people does Scua Upper Seven Mile serve?

Scua Upper Seven Mile reports serving 8,478 people through 1,750 service connections in Arizona.

Where does Scua Upper Seven Mile get its water?

EPA SDWIS lists this system's primary water source as groundwater.

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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