GW SAGUARO DIST WATER CO - LAS QUINTAS

Arizona — Community Water System — PWSID: AZ0410064

System Information

PWSID	AZ0410064
System Name	GW SAGUARO DIST WATER CO - LAS QUINTAS
System Type	Community Water System
Water Source	Ground Water
Activity Status	Active
Owner Type	Private
EPA Region	09
Serves School	No
Wholesaler	No
First Reported	Oct 5, 1979
Last Reported	Nov 17, 2025

Location & Contact

State	Arizona
City	MARICOPA
ZIP Code	85138
Address	—
Organization	ARMIJO, SUSAN
Phone	480-328-9281

Population & Service

Population Served	3,720
Service Connections	1,240

Drinking Water Violations (171)

This water system has 171 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
Oct 1, 2023	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Nov 1, 2023	Lead and Copper Rule
Oct 1, 2023	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Nov 1, 2023	Lead and Copper Rule
Oct 1, 2022	Dec 31, 2022	Chlorine	MR	No	Yes	—	4.0 mg/L	—	Resolved	Dec 31, 2022	Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2022	Dec 31, 2022	Chlorine	MR	No	Yes	—	4.0 mg/L	—	Resolved	Dec 31, 2022	Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2021	Sep 30, 2021	Chlorine	MR	No	Yes	—	4.0 mg/L	—	Resolved	Sep 30, 2021	Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2021	Sep 30, 2021	Chlorine	MR	No	Yes	—	4.0 mg/L	—	Resolved	Sep 30, 2021	Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2019	—	Revised Total Coliform Rule	RPT	No	No	—	—	—	Resolved	Dec 3, 2019	Revised Total Coliform Rule
Oct 1, 2019	—	Revised Total Coliform Rule	RPT	No	No	—	—	—	Resolved	Dec 3, 2019	Revised Total Coliform Rule
Jan 1, 2018	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Apr 1, 2019	Lead and Copper Rule
Jan 1, 2018	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Apr 1, 2019	Lead and Copper Rule
Jan 1, 2018	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Apr 1, 2019	Lead and Copper Rule
Jan 1, 2018	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Apr 1, 2019	Lead and Copper Rule
Nov 1, 2017	Nov 30, 2017	Revised Total Coliform Rule	MON	No	Yes	—	—	—	Resolved	Nov 30, 2017	Revised Total Coliform Rule
Nov 1, 2017	Nov 30, 2017	Revised Total Coliform Rule	MON	No	Yes	—	—	—	Resolved	Nov 30, 2017	Revised Total Coliform Rule
Oct 1, 2017	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Jan 28, 2018	Lead and Copper Rule
Oct 1, 2017	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Jan 28, 2018	Lead and Copper Rule
Jul 1, 2017	Sep 30, 2017	Chlorine	MR	No	Yes	—	4.0 mg/L	—	Resolved	Sep 30, 2017	Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2017	Sep 30, 2017	Chlorine	MR	No	Yes	—	4.0 mg/L	—	Resolved	Sep 30, 2017	Stage 1 Disinfectants and Disinfection Byproducts Rule
Nov 1, 2016	Nov 30, 2016	Revised Total Coliform Rule	MON	No	Yes	—	—	—	Resolved	Nov 30, 2016	Revised Total Coliform Rule
Nov 1, 2016	Nov 30, 2016	Revised Total Coliform Rule	MON	No	Yes	—	—	—	Resolved	Nov 30, 2016	Revised Total Coliform Rule
Jul 1, 2016	Sep 30, 2016	Chlorine	MR	No	Yes	—	4.0 mg/L	—	Resolved	Sep 30, 2016	Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2016	Mar 31, 2016	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Mar 31, 2016	Arsenic Rule
Jan 1, 2016	Mar 31, 2016	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Mar 31, 2016	Arsenic Rule
Jan 1, 2016	Mar 31, 2016	Chlorine	MR	No	Yes	—	4.0 mg/L	—	Resolved	Mar 31, 2016	Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2015	Dec 31, 2015	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Dec 31, 2015	Arsenic Rule
Oct 1, 2015	Dec 31, 2015	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Dec 31, 2015	Arsenic Rule
Oct 1, 2015	Dec 31, 2015	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Dec 31, 2015	Arsenic Rule
Sep 1, 2015	Sep 30, 2015	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Sep 30, 2015	Total Coliform Rule
Sep 1, 2015	Sep 30, 2015	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Sep 30, 2015	Total Coliform Rule
Jul 1, 2015	Sep 30, 2015	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Sep 30, 2015	Arsenic Rule
Jul 1, 2015	Sep 30, 2015	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Sep 30, 2015	Arsenic Rule
Jul 1, 2015	Sep 30, 2015	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Sep 30, 2015	Arsenic Rule
Jul 1, 2015	Sep 30, 2015	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Sep 30, 2015	Arsenic 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	Jun 30, 2015	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Jun 30, 2015	Arsenic Rule
Apr 1, 2015	Jun 30, 2015	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Jun 30, 2015	Arsenic Rule
Apr 1, 2015	Jun 30, 2015	Chlorine	MR	No	Yes	—	4.0 mg/L	—	Resolved	Jun 30, 2015	Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2015	Jun 30, 2015	Chlorine	MR	No	Yes	—	4.0 mg/L	—	Resolved	Jun 30, 2015	Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2015	Jun 30, 2015	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Jun 30, 2015	Arsenic Rule
Apr 1, 2015	Jun 30, 2015	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Jun 30, 2015	Arsenic Rule
Feb 1, 2015	Feb 28, 2015	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Feb 28, 2015	Total Coliform Rule
Feb 1, 2015	Feb 28, 2015	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Feb 28, 2015	Total Coliform Rule
Jan 1, 2015	Mar 31, 2015	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Mar 31, 2015	Arsenic Rule
Jan 1, 2015	Mar 31, 2015	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Mar 31, 2015	Arsenic Rule
Jan 1, 2015	Mar 31, 2015	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Mar 31, 2015	Arsenic Rule
Jan 1, 2015	Mar 31, 2015	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Mar 31, 2015	Arsenic Rule
Jan 1, 2015	Mar 31, 2015	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Mar 31, 2015	Arsenic 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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