SCUA Skill Center

Arizona — Community Water System — PWSID: 090400273

System Information

PWSID	090400273
System Name	SCUA Skill Center
System Type	Community Water System
Water Source	Ground Water
Activity Status	Active
Owner Type	Native American
EPA Region	09
Serves School	No
Wholesaler	No
First Reported	Feb 2, 1984
Last Reported	Dec 31, 2025

Location & Contact

State	Arizona
City	San Carlos
ZIP Code	85550
Address	P.O. Box O
Organization	San Carlos Apache Tribe
Phone	9284752631

Population & Service

Population Served	234
Service Connections	39

Drinking Water Violations (393)

This water system has 393 violations recorded in the EPA SDWIS database.

Begin Date	End Date	Contaminant	Category	Health-Based	Major	Measured	Federal MCL	State MCL	Status	Return to Compliance	Rule
Jan 1, 2025	Mar 31, 2025	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Mar 31, 2025	Arsenic Rule
Jan 1, 2025	Mar 31, 2025	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Mar 31, 2025	Arsenic Rule
Jan 1, 2025	Mar 31, 2025	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Mar 31, 2025	Arsenic Rule
Nov 16, 2024	—	LEAD AND COPPER RULE REVISIONS	RPT	No	No	—	—	—	Unaddressed	—	Lead and Copper Rule Revisions
Jan 1, 2024	Dec 31, 2024	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Dec 31, 2024	Arsenic Rule
Jan 1, 2024	Dec 31, 2024	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Dec 31, 2024	Arsenic Rule
Jan 1, 2024	Dec 31, 2024	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Dec 31, 2024	Arsenic Rule
Feb 1, 2023	—	Revised Total Coliform Rule	RPT	No	No	—	—	—	Resolved	May 24, 2023	Revised Total Coliform Rule
Aug 1, 2022	—	Revised Total Coliform Rule	RPT	No	No	—	—	—	Resolved	Oct 7, 2011	Revised Total Coliform Rule
Aug 1, 2022	—	E. COLI	MR	No	Yes	—	—	—	Resolved	Oct 7, 2011	Ground Water Rule
Jul 1, 2022	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Dec 13, 2022	Consumer Confidence Rule
Oct 1, 2021	—	E. COLI	MR	No	Yes	—	—	—	Resolved	Nov 2, 2021	Ground Water Rule
Oct 1, 2021	—	E. COLI	MR	No	Yes	—	—	—	Resolved	Nov 2, 2021	Ground Water Rule
Aug 1, 2020	—	E. COLI	MR	No	Yes	—	—	—	Resolved	Sep 30, 2020	Ground Water Rule
Mar 1, 2019	—	Revised Total Coliform Rule	RPT	No	No	—	—	—	Resolved	Jun 6, 2019	Revised Total Coliform Rule
Feb 1, 2019	—	Revised Total Coliform Rule	RPT	No	No	—	—	—	Resolved	Jun 6, 2019	Revised Total Coliform Rule
Jan 1, 2019	—	Revised Total Coliform Rule	RPT	No	No	—	—	—	Resolved	Jun 6, 2019	Revised Total Coliform Rule
Dec 1, 2018	—	Revised Total Coliform Rule	RPT	No	No	—	—	—	Resolved	Apr 20, 2019	Revised Total Coliform Rule
Dec 1, 2018	—	Revised Total Coliform Rule	RPT	No	No	—	—	—	Resolved	Apr 20, 2019	Revised Total Coliform Rule
Nov 1, 2018	—	Revised Total Coliform Rule	RPT	No	No	—	—	—	Resolved	Apr 20, 2019	Revised Total Coliform Rule
Nov 1, 2018	—	Revised Total Coliform Rule	RPT	No	No	—	—	—	Resolved	Apr 20, 2019	Revised Total Coliform Rule
Oct 1, 2018	—	Revised Total Coliform Rule	RPT	No	No	—	—	—	Resolved	Apr 20, 2019	Revised Total Coliform Rule
Oct 1, 2018	—	Revised Total Coliform Rule	RPT	No	No	—	—	—	Resolved	Apr 20, 2019	Revised Total Coliform Rule
Sep 1, 2018	—	E. COLI	MR	No	Yes	—	—	—	Resolved	Apr 11, 2019	Ground Water Rule
Sep 1, 2018	—	E. COLI	MR	No	Yes	—	—	—	Resolved	Apr 11, 2019	Ground Water Rule
Jan 1, 2018	Dec 31, 2018	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2018	Nitrate Rule
Jan 1, 2018	Dec 31, 2018	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2018	Nitrate Rule
Mar 1, 2016	Mar 31, 2016	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Mar 31, 2016	Total Coliform Rule
Dec 1, 2015	Dec 31, 2015	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Dec 31, 2015	Total Coliform Rule
Nov 1, 2015	Nov 30, 2015	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Nov 30, 2015	Total Coliform Rule
Oct 1, 2015	Oct 31, 2015	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Oct 31, 2015	Total Coliform Rule
Jul 1, 2015	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Jul 30, 2016	Consumer Confidence Rule
Jul 1, 2015	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Jul 30, 2016	Consumer Confidence Rule
Jun 1, 2015	Jun 30, 2015	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Jun 30, 2015	Total Coliform Rule
Jun 1, 2015	Jun 30, 2015	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Jun 30, 2015	Total Coliform Rule
May 1, 2015	May 31, 2015	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	May 31, 2015	Total Coliform Rule
May 1, 2015	May 31, 2015	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	May 31, 2015	Total Coliform Rule
Apr 1, 2015	Apr 30, 2015	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Apr 30, 2015	Total Coliform Rule
Apr 1, 2015	Apr 30, 2015	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Apr 30, 2015	Total Coliform Rule
Mar 1, 2015	Mar 31, 2015	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Mar 31, 2015	Total Coliform Rule
Mar 1, 2015	Mar 31, 2015	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Mar 31, 2015	Total Coliform Rule
Jan 1, 2015	Jan 31, 2015	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Jan 31, 2015	Total Coliform Rule
Jan 1, 2015	Jan 31, 2015	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Jan 31, 2015	Total Coliform Rule
Sep 1, 2014	Sep 30, 2014	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Sep 30, 2014	Total Coliform Rule
Aug 1, 2014	Aug 31, 2014	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Aug 31, 2014	Total Coliform Rule
Jul 1, 2014	Jul 31, 2014	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Jul 31, 2014	Total Coliform Rule
Dec 1, 2013	Dec 31, 2013	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Dec 31, 2013	Total Coliform Rule
Sep 1, 2013	Sep 30, 2013	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Sep 30, 2013	Total Coliform Rule
Jun 1, 2013	Jun 30, 2013	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Jun 30, 2013	Total Coliform Rule
May 1, 2013	May 31, 2013	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	May 31, 2013	Total Coliform Rule

About This Water System

Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.

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