Grand Canyon West

Arizona — Community Water System — PWSID: 090400101

System Information

PWSID	090400101
System Name	Grand Canyon West
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	Peach Springs
ZIP Code	86434
Address	P.O. Box 179
Organization	Hualapai Indian Tribe
Phone	9287692216

Population & Service

Population Served	3,120
Service Connections	51

Drinking Water Violations (240)

This water system has 240 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
Dec 10, 2023	—	Lead and Copper Rule	TT	Yes	No	—	TT	—	Resolved	Jul 8, 2024	Lead and Copper Rule
Oct 10, 2022	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Jul 8, 2024	Lead and Copper Rule
Jul 1, 2022	Dec 31, 2022	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Dec 31, 2022	Lead and Copper Rule
Jan 1, 2021	Dec 31, 2021	Total Haloacetic Acids (HAA5)	MR	No	Yes	—	0.060 mg/L	—	Resolved	Dec 31, 2021	Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2021	Dec 31, 2021	TTHM	MR	No	Yes	—	0.080 mg/L	—	Resolved	Dec 31, 2021	Stage 2 Disinfectants and Disinfection Byproducts Rule
Sep 30, 2018	—	Groundwater Rule	TT	Yes	No	—	—	—	Resolved	Apr 10, 2019	Ground Water Rule
Jan 1, 2018	Dec 31, 2018	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2018	Nitrate Rule
Apr 1, 2016	—	Revised Total Coliform Rule	Other	No	No	—	—	—	Resolved	May 1, 2016	Revised Total Coliform Rule
Nov 1, 2013	—	Public Notice	Other	No	No	—	—	—	Resolved	Nov 30, 2023	Public Notice Rule and Revised PN Rule
Nov 1, 2013	Nov 30, 2013	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Nov 30, 2013	Total Coliform Rule
Oct 1, 2013	—	Stage 2 Disinfectants and Disinfection Byproducts Rule	MR	No	Yes	—	—	—	Resolved	May 1, 2016	Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2013	Jul 31, 2013	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Jul 31, 2013	Total Coliform Rule
Jun 1, 2013	—	E. COLI	MR	No	Yes	—	—	—	Resolved	Nov 25, 2013	Ground Water Rule
Apr 1, 2013	Apr 30, 2013	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Apr 30, 2013	Total Coliform Rule
Apr 1, 2013	—	Public Notice	Other	No	No	—	—	—	Resolved	Nov 30, 2023	Public Notice Rule and Revised PN Rule
Jan 1, 2013	Jan 31, 2013	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jan 31, 2013	Total Coliform Rule
Jul 1, 2012	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Dec 19, 2012	Lead and Copper Rule
Jul 1, 2012	Jul 31, 2012	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jul 31, 2012	Total Coliform Rule
Jul 1, 2012	Jul 31, 2012	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jul 31, 2012	Total Coliform Rule
Jan 1, 2012	Dec 31, 2012	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 19, 2012	Nitrate Rule
Jan 1, 2012	Dec 31, 2012	TTHM	MR	No	Yes	—	0.080 mg/L	—	Resolved	Dec 31, 2012	Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2012	Dec 31, 2012	Total Haloacetic Acids (HAA5)	MR	No	Yes	—	0.060 mg/L	—	Resolved	Dec 31, 2012	Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2012	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Dec 19, 2012	Lead and Copper Rule
Jan 1, 2012	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Dec 19, 2012	Lead and Copper Rule
Jul 1, 2011	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Oct 5, 2012	Consumer Confidence Rule
Jul 1, 2011	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Dec 19, 2012	Lead and Copper Rule
Jul 1, 2011	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Dec 19, 2012	Lead and Copper Rule
Jul 1, 2011	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Oct 5, 2012	Consumer Confidence Rule
Jan 1, 2011	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Dec 19, 2012	Lead and Copper Rule
Jan 1, 2011	Dec 31, 2011	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2011	Nitrate Rule
Jan 1, 2011	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Dec 19, 2012	Lead and Copper Rule
Jan 1, 2011	Dec 31, 2011	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2011	Nitrate Rule
Oct 1, 2010	Oct 31, 2010	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Oct 31, 2010	Total Coliform Rule
Oct 1, 2010	—	E. COLI	MR	No	Yes	—	—	—	Resolved	May 31, 2011	Ground Water Rule
Sep 1, 2010	Sep 30, 2010	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Sep 30, 2010	Total Coliform Rule
Sep 1, 2010	—	E. COLI	MR	No	Yes	—	—	—	Resolved	May 31, 2011	Ground Water Rule
Aug 1, 2010	Aug 31, 2010	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Aug 31, 2010	Total Coliform Rule
Jul 1, 2010	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Dec 19, 2012	Lead and Copper Rule
Jul 1, 2010	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	May 17, 2011	Consumer Confidence Rule
Jul 1, 2010	Jul 31, 2010	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jul 31, 2010	Total Coliform Rule
Jul 1, 2010	—	E. COLI	MR	No	Yes	—	—	—	Resolved	May 31, 2011	Ground Water Rule
Jul 1, 2010	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Dec 19, 2012	Lead and Copper Rule
Jun 1, 2010	—	E. COLI	MR	No	Yes	—	—	—	Resolved	May 31, 2011	Ground Water Rule
Jan 1, 2010	Dec 31, 2010	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2010	Nitrate Rule
Jan 1, 2010	Dec 31, 2010	Total Haloacetic Acids (HAA5)	MR	No	Yes	—	0.060 mg/L	—	Resolved	Dec 31, 2010	Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2010	Dec 31, 2010	TTHM	MR	No	Yes	—	0.080 mg/L	—	Resolved	Dec 31, 2010	Stage 1 Disinfectants and Disinfection Byproducts Rule
Nov 1, 2009	Nov 30, 2009	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Nov 30, 2009	Total Coliform Rule
Oct 1, 2009	Dec 31, 2009	Combined Uranium	MR	No	Yes	—	30 ug/L	—	Resolved	Dec 31, 2009	Radionuclides and Revised Rad Rule
Oct 1, 2009	Dec 31, 2009	Combined Radium (-226 and -228)	MR	No	Yes	—	5 pCi/L	—	Resolved	Dec 31, 2009	Radionuclides and Revised Rad Rule
Oct 1, 2009	Dec 31, 2009	Gross Alpha, Excl. Radon and U	MR	No	Yes	—	15 pCi/L	—	Resolved	Dec 31, 2009	Radionuclides and Revised Rad 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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