SCUA Upper Seven Mile

PWSID: 090400114 · San Carlos, AZ · Serves 8,478 people

According to EPA Safe Drinking Water Information System (SDWIS), SCUA Upper Seven Mile (PWSID 090400114) in San Carlos, AZ is listed as a CWS water system covering about 8,478 people. The same extract lists 72 health-based violation records spanning 2013-2025. Those 72 health-based rows for SCUA Upper Seven Mile cover contaminants such as Revised Total Coliform Rule, Arsenic, Groundwater Rule; they remain historical EPA registry entries, not a current compliance or drinkability score.

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Health-Based Records

SCUA Upper Seven Mile has 72 health-based violation records in this historical extract. Monitoring and reporting records are not included.

Population Served
8,478
Health-Based Violation Records
72
Distinct Contaminant Codes
4
Source Type
Groundwater

PlainEnviro's health-based SDWIS extract covers monitoring and reporting violations only -- it does not include unresolved enforcement actions in progress or corrective steps a utility has taken since the extract date. 4 distinct EPA contaminant codes appear in this system's record, including Revised Total Coliform Rule, Arsenic, Groundwater Rule. Recorded violations span 2013–2025. Day-to-day primacy enforcement for this system runs through the Arizona drinking-water program, not EPA directly.

A historical health-based record does not necessarily describe current water quality or compliance. The most authoritative current source is the utility's annual Consumer Confidence Report. For enforcement history and corrective-action orders, consult EPA ECHO and the Arizona state drinking-water program's public portal.

System Details

EPA ID (PWSID)
090400114
System Type
CWS
Water Source
Groundwater
Location
San Carlos, AZ
Population Served
8,478
Health Violations
Yes (72)

What contaminants are in this water system?

Contaminant Violations Health-Based
Revised Total Coliform Rule 28 28
Arsenic 26 26
Groundwater Rule 16 16
Coliform (TCR) 2 2

Violation History (72)

Contaminant Health Date
Revised Total Coliform Rule Yes Nov 28, 2025
Groundwater Rule Yes Nov 28, 2025
Groundwater Rule Yes Nov 28, 2025
Revised Total Coliform Rule Yes Nov 1, 2025
Groundwater Rule Yes Nov 1, 2025
Groundwater Rule Yes Nov 1, 2025
Groundwater Rule Yes Nov 1, 2025
Groundwater Rule Yes Oct 24, 2025
Groundwater Rule Yes Oct 10, 2025
Revised Total Coliform Rule Yes Jul 1, 2023
Revised Total Coliform Rule Yes Jul 1, 2023
Revised Total Coliform Rule Yes Jul 1, 2023
Revised Total Coliform Rule Yes Jun 1, 2023
Revised Total Coliform Rule Yes Jun 1, 2023
Revised Total Coliform Rule Yes Jun 1, 2023
Revised Total Coliform Rule Yes Jun 1, 2023
Revised Total Coliform Rule Yes May 13, 2023
Revised Total Coliform Rule Yes May 13, 2023
Revised Total Coliform Rule Yes May 13, 2023
Revised Total Coliform Rule Yes May 1, 2023
Revised Total Coliform Rule Yes May 1, 2023
Revised Total Coliform Rule Yes May 1, 2023
Revised Total Coliform Rule Yes May 1, 2023
Groundwater Rule Yes Mar 4, 2023
Groundwater Rule Yes Mar 4, 2023
Groundwater Rule Yes Mar 4, 2023
Groundwater Rule Yes Mar 4, 2023
Groundwater Rule Yes Mar 4, 2023
Groundwater Rule Yes Mar 4, 2023
Groundwater Rule Yes Mar 4, 2023
Groundwater Rule Yes Mar 4, 2023
Groundwater Rule Yes Mar 4, 2023
Revised Total Coliform Rule Yes Jul 1, 2021
Revised Total Coliform Rule Yes Jul 1, 2021
Revised Total Coliform Rule Yes Sep 30, 2018
Revised Total Coliform Rule Yes Sep 30, 2018
Revised Total Coliform Rule Yes Sep 1, 2018
Revised Total Coliform Rule Yes Sep 1, 2018
Revised Total Coliform Rule Yes Aug 30, 2018
Revised Total Coliform Rule Yes Aug 30, 2018
Revised Total Coliform Rule Yes Jul 1, 2018
Revised Total Coliform Rule Yes Jul 1, 2018
Revised Total Coliform Rule Yes Aug 1, 2017
Revised Total Coliform Rule Yes Aug 1, 2017
Arsenic Yes Apr 1, 2016
Arsenic Yes Apr 1, 2016
Coliform (TCR) Yes Mar 1, 2016
Coliform (TCR) Yes Mar 1, 2016
Arsenic Yes Jan 1, 2016
Arsenic Yes Jan 1, 2016
Arsenic Yes Jul 1, 2015
Arsenic Yes Jul 1, 2015
Arsenic Yes Apr 1, 2015
Arsenic Yes Apr 1, 2015
Arsenic Yes Jan 1, 2015
Arsenic Yes Jan 1, 2015
Arsenic Yes Oct 1, 2014
Arsenic Yes Oct 1, 2014
Arsenic Yes Jul 1, 2014
Arsenic Yes Jul 1, 2014
Arsenic Yes Apr 1, 2014
Arsenic Yes Apr 1, 2014
Arsenic Yes Jan 1, 2014
Arsenic Yes Jan 1, 2014
Arsenic Yes Oct 1, 2013
Arsenic Yes Oct 1, 2013
Arsenic Yes Jul 1, 2013
Arsenic Yes Jul 1, 2013
Arsenic Yes Apr 1, 2013
Arsenic Yes Apr 1, 2013
Arsenic Yes Jan 1, 2013
Arsenic Yes Jan 1, 2013

Frequently Asked Questions

What does EPA SDWIS list for SCUA Upper Seven Mile?
SCUA Upper Seven Mile has 72 health-based violation records in this historical extract. Monitoring and reporting records are not included. The system uses groundwater water as its source.
How many people does SCUA Upper Seven Mile serve?
SCUA Upper Seven Mile serves 8,478 people in San Carlos, AZ. It is classified as a CWS water system.
What violations does SCUA Upper Seven Mile have?
SCUA Upper Seven Mile has 72 health-based violation records in PlainEnviro's extract spanning 2013–2025. Monitoring and reporting records are not included.
What contaminants have been found in SCUA Upper Seven Mile water?
Violations have been recorded for 4 contaminants. The most frequent: Revised Total Coliform Rule, Arsenic, Groundwater Rule.

Compare beyond Arizona

Nationwide peers by violations & population served

Cross-state SDWIS systems nearest SCUA Upper Seven Mile on cumulative violation count (72) and EPA-reported population served (8,478). Violation-count peers include SELAWIK SAFEWATER FACILITY, EROS COMMUNITY WATER SYSTEM, MAYSVILLE REGIONAL WATER. Population peers include AYER DPW WATER DIVISION, BUFORD, GENESEE TOWNSHIP.

About This Data

SCUA Upper Seven Mile (090400114) is drawn from EPA SDWIS. Nearby county systems in this extract include PAYSON TOWN OF; WMATUA Miner Flat; PINE STRAWBERRY WID; GLOBE CITY OF. Health-based rows (72 MCL/TT) are historical registry state, not a current drinkability score.

Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services

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