WILLOW VALLEY WATER COMPANY HO

Arizona — Community Water System — PWSID: AZ0408034

System Information

PWSID	AZ0408034
System Name	WILLOW VALLEY WATER COMPANY HO
System Type	Community Water System
Water Source	Ground Water
Activity Status	Non-Inventory
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	PHOENIX
ZIP Code	85012
Address	3800 N CENTRAL AVE STE 770
Organization	WILLOW VALLEY WATER CO INC
Phone	602-224-0711

Population & Service

Population Served	365
Service Connections	147

Drinking Water Violations (48)

This water system has 48 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, 2005	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Nov 18, 2005	Lead and Copper Rule
Oct 1, 2005	Dec 31, 2005	Chlorine	MR	No	Yes	—	4.0 mg/L	—	Resolved	Nov 18, 2005	Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2005	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Nov 18, 2005	Consumer Confidence Rule
Jul 1, 2005	Sep 30, 2005	Chlorine	MR	No	Yes	—	4.0 mg/L	—	Resolved	Sep 30, 2005	Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2005	Sep 30, 2005	Chlorine	MR	No	Yes	—	4.0 mg/L	—	Resolved	Sep 30, 2005	Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2005	Jun 30, 2005	Chlorine	MR	No	Yes	—	4.0 mg/L	—	Resolved	Jun 30, 2005	Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2005	Jun 30, 2005	Chlorine	MR	No	Yes	—	4.0 mg/L	—	Resolved	Jun 30, 2005	Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2005	Mar 31, 2005	Chlorine	MR	No	Yes	—	4.0 mg/L	—	Resolved	Mar 31, 2005	Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2005	Mar 31, 2005	Chlorine	MR	No	Yes	—	4.0 mg/L	—	Resolved	Mar 31, 2005	Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2004	Oct 31, 2004	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Oct 31, 2004	Total Coliform Rule
Oct 1, 2004	Dec 31, 2004	Chlorine	MR	No	Yes	—	4.0 mg/L	—	Resolved	Dec 31, 2004	Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2004	Sep 30, 2004	Chlorine	MR	No	Yes	—	4.0 mg/L	—	Resolved	Sep 30, 2004	Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2004	Sep 30, 2004	Chlorine	MR	No	Yes	—	4.0 mg/L	—	Resolved	Sep 30, 2004	Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2004	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Nov 18, 2005	Consumer Confidence Rule
Jul 1, 2004	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Nov 18, 2005	Consumer Confidence Rule
Jul 1, 2004	Jul 31, 2004	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Jul 31, 2004	Total Coliform Rule
Jul 1, 2004	Jul 31, 2004	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Jul 31, 2004	Total Coliform Rule
Jun 1, 2004	Jun 30, 2004	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Jun 30, 2004	Total Coliform Rule
Jun 1, 2004	Jun 30, 2004	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Jun 30, 2004	Total Coliform Rule
Apr 1, 2004	Jun 30, 2004	Chlorine	MR	No	Yes	—	4.0 mg/L	—	Resolved	Jun 30, 2004	Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2003	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Nov 18, 2005	Consumer Confidence Rule
Oct 1, 2002	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Nov 18, 2005	Lead and Copper Rule
Jul 1, 2002	Jul 31, 2002	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Jul 31, 2002	Total Coliform Rule
Jul 1, 2002	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	May 9, 2003	Consumer Confidence Rule
Jan 1, 2001	Dec 31, 2001	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2001	Nitrate Rule
Jan 1, 2001	Dec 31, 2001	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2001	Nitrate Rule
Dec 1, 1999	Dec 31, 1999	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Dec 31, 1999	Total Coliform Rule
Dec 1, 1999	Dec 31, 1999	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Dec 31, 1999	Total Coliform Rule
Nov 1, 1999	Nov 30, 1999	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Nov 30, 1999	Total Coliform Rule
Oct 1, 1999	Oct 31, 1999	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Oct 31, 1999	Total Coliform Rule
Jan 31, 1988	Jan 30, 1991	Fluoride	MR	No	Yes	—	4.0 mg/L	—	Archived	Jan 30, 1991	Inorganic Chemicals
Jan 31, 1988	Jan 30, 1991	Chromium	MR	No	Yes	—	0.1 mg/L	—	Archived	Jan 30, 1991	Inorganic Chemicals
Jan 31, 1988	Jan 30, 1991	Mercury	MR	No	Yes	—	0.002 mg/L	—	Archived	Jan 30, 1991	Inorganic Chemicals
Jan 31, 1988	Jan 30, 1991	Selenium	MR	No	Yes	—	0.05 mg/L	—	Archived	Jan 30, 1991	Inorganic Chemicals
Jan 31, 1988	Jan 30, 1991	Cadmium	MR	No	Yes	—	0.005 mg/L	—	Archived	Jan 30, 1991	Inorganic Chemicals
Jan 31, 1988	Jan 30, 1991	Nitrate	MR	No	Yes	—	10 mg/L	—	Archived	Jan 30, 1991	Nitrate Rule
Jan 31, 1988	Jan 30, 1991	Barium	MR	No	Yes	—	2 mg/L	—	Archived	Jan 30, 1991	Inorganic Chemicals
Jan 31, 1988	Jan 30, 1991	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Archived	Jan 30, 1991	Arsenic Rule
Jul 1, 1987	Sep 30, 1987	Selenium	MR	No	Yes	—	0.05 mg/L	—	Archived	Sep 30, 1987	Inorganic Chemicals
Jul 1, 1987	Sep 30, 1987	Fluoride	MR	No	Yes	—	4.0 mg/L	—	Archived	Sep 30, 1987	Inorganic Chemicals
Jul 1, 1987	Sep 30, 1987	Cadmium	MR	No	Yes	—	0.005 mg/L	—	Archived	Sep 30, 1987	Inorganic Chemicals
Jul 1, 1987	Sep 30, 1987	Barium	MR	No	Yes	—	2 mg/L	—	Archived	Sep 30, 1987	Inorganic Chemicals
Jul 1, 1987	Sep 30, 1987	Chromium	MR	No	Yes	—	0.1 mg/L	—	Archived	Sep 30, 1987	Inorganic Chemicals
Jul 1, 1987	Sep 30, 1987	Nitrate	MR	No	Yes	—	10 mg/L	—	Archived	Sep 30, 1987	Nitrate Rule
Jul 1, 1987	Sep 30, 1987	Mercury	MR	No	Yes	—	0.002 mg/L	—	Archived	Sep 30, 1987	Inorganic Chemicals
Jul 11, 1984	Jul 10, 1987	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Archived	Jul 10, 1987	Arsenic Rule
Jul 1, 1980	Jun 30, 1984	Gross Alpha, Excl. Radon and U	MR	No	Yes	—	15 pCi/L	—	Archived	Jun 30, 1984	Radionuclides and Revised Rad Rule
—	—		—	No	No	—	—	—	—	—	—

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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