TIMBER KNOLL DWID

Arizona — Community Water System — PWSID: AZ0401015

System Information

PWSID	AZ0401015
System Name	TIMBER KNOLL DWID
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	VERNON
ZIP Code	85940
Address	—
Organization	BRADLEY, CAROL
Phone	928-242-8994

Population & Service

Population Served	153
Service Connections	57

Drinking Water Violations (126)

This water system has 126 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
Apr 1, 2023	—	Revised Total Coliform Rule	RPT	No	No	—	—	—	Resolved	May 31, 2023	Revised Total Coliform Rule
Apr 1, 2023	—	Revised Total Coliform Rule	RPT	No	No	—	—	—	Resolved	May 31, 2023	Revised Total Coliform Rule
Jul 8, 2022	—	E. COLI	MR	No	Yes	—	—	—	Resolved	Sep 6, 2022	Ground Water Rule
Jul 8, 2022	—	E. COLI	MR	No	Yes	—	—	—	Resolved	Sep 6, 2022	Ground Water Rule
Feb 1, 2022	—	Revised Total Coliform Rule	RPT	No	No	—	—	—	Resolved	Mar 31, 2022	Revised Total Coliform Rule
Feb 1, 2022	—	Revised Total Coliform Rule	RPT	No	No	—	—	—	Resolved	Mar 31, 2022	Revised Total Coliform Rule
Nov 21, 2020	—	Public Notice	Other	No	No	—	—	—	Resolved	Jun 29, 2022	Public Notice Rule and Revised PN Rule
Nov 21, 2020	—	Public Notice	Other	No	No	—	—	—	Resolved	Jun 29, 2022	Public Notice Rule and Revised PN Rule
Oct 1, 2020	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Feb 16, 2022	Lead and Copper Rule
Oct 1, 2020	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Feb 16, 2022	Lead and Copper Rule
Oct 1, 2020	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Feb 16, 2022	Lead and Copper Rule
Oct 1, 2020	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Feb 16, 2022	Lead and Copper Rule
Feb 1, 2020	Feb 29, 2020	Revised Total Coliform Rule	MON	No	Yes	—	—	—	Resolved	Feb 29, 2020	Revised Total Coliform Rule
Feb 1, 2020	Feb 29, 2020	Revised Total Coliform Rule	MON	No	Yes	—	—	—	Resolved	Feb 29, 2020	Revised Total Coliform Rule
Feb 1, 2020	Feb 29, 2020	Revised Total Coliform Rule	MON	No	Yes	—	—	—	Resolved	Feb 29, 2020	Revised Total Coliform Rule
Oct 1, 2019	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Feb 16, 2022	Lead and Copper Rule
Oct 1, 2019	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Feb 16, 2022	Lead and Copper Rule
Oct 1, 2019	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Feb 16, 2022	Lead and Copper Rule
Jul 1, 2018	—	Revised Total Coliform Rule	RPT	No	No	—	—	—	Resolved	Aug 14, 2018	Revised Total Coliform Rule
Sep 1, 2017	—	Revised Total Coliform Rule	RPT	No	No	—	—	—	Resolved	Oct 19, 2017	Revised Total Coliform Rule
Apr 1, 2017	—	Revised Total Coliform Rule	RPT	No	No	—	—	—	Resolved	May 29, 2017	Revised Total Coliform Rule
Oct 1, 2016	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Jan 17, 2017	Lead and Copper Rule
Oct 1, 2016	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Jan 17, 2017	Lead and Copper Rule
Jul 1, 2016	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Oct 14, 2016	Consumer Confidence Rule
Jul 1, 2015	Jul 31, 2015	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Jul 31, 2015	Total Coliform Rule
Jul 1, 2015	Jul 31, 2015	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Jul 31, 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
Feb 1, 2015	Feb 28, 2015	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Feb 28, 2015	Total Coliform Rule
Jan 30, 2015	—	E. COLI	MR	No	Yes	—	—	—	Resolved	Mar 2, 2015	Ground Water Rule
Jan 30, 2015	—	E. COLI	MR	No	Yes	—	—	—	Resolved	Mar 2, 2015	Ground Water Rule
Jan 30, 2015	—	E. COLI	MR	No	Yes	—	—	—	Resolved	Mar 2, 2015	Ground Water Rule
Jul 1, 2014	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Jul 15, 2014	Consumer Confidence Rule
Jan 1, 2014	Jan 31, 2014	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jan 31, 2014	Total Coliform Rule
Jan 1, 2014	Jan 31, 2014	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jan 31, 2014	Total Coliform Rule
Jan 1, 2014	Jan 31, 2014	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jan 31, 2014	Total Coliform Rule
Jul 1, 2013	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Jul 8, 2013	Consumer Confidence Rule
Oct 1, 2012	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Oct 16, 2012	Consumer Confidence Rule
Aug 1, 2012	Aug 31, 2012	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Aug 31, 2012	Total Coliform Rule
Aug 1, 2012	Aug 31, 2012	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Aug 31, 2012	Total Coliform Rule
Jul 1, 2012	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Oct 16, 2012	Consumer Confidence Rule
Feb 1, 2012	—	E. COLI	MR	No	Yes	—	—	—	Resolved	Feb 28, 2012	Ground Water Rule
Feb 1, 2012	Feb 29, 2012	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Feb 29, 2012	Total Coliform Rule
Feb 1, 2012	Feb 29, 2012	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Feb 29, 2012	Total Coliform Rule
Oct 1, 2011	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Nov 8, 2011	Consumer Confidence Rule
Jul 1, 2011	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Nov 8, 2011	Consumer Confidence Rule
Feb 1, 2011	Feb 28, 2011	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Feb 28, 2011	Total Coliform Rule
Feb 1, 2011	Feb 28, 2011	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Feb 28, 2011	Total Coliform Rule
Dec 1, 2010	Dec 31, 2010	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Dec 31, 2010	Total Coliform Rule
Dec 1, 2010	Dec 31, 2010	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Dec 31, 2010	Total Coliform Rule
Oct 1, 2010	Oct 31, 2010	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Oct 31, 2010	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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