303 DWID

Arizona — Transient Non-Community — PWSID: AZ0409053

System Information

PWSID	AZ0409053
System Name	303 DWID
System Type	Transient Non-Community
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	ST JOHNS
ZIP Code	85936
Address	—
Organization	SCOTT, CHUCK
Phone	928-245-1692

Population & Service

Population Served	75
Service Connections	17

Drinking Water Violations (175)

This water system has 175 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
Jul 22, 2025	—	Groundwater Rule	TT	Yes	No	—	—	—	Unaddressed	—	Ground Water Rule
Jul 7, 2025	—	Groundwater Rule	TT	Yes	No	—	—	—	Unaddressed	—	Ground Water Rule
Jul 7, 2025	—	Groundwater Rule	TT	Yes	No	—	—	—	Unaddressed	—	Ground Water Rule
Jan 1, 2024	Dec 31, 2024	Nitrate	MR	No	Yes	—	10 mg/L	—	Archived	Dec 31, 2024	Nitrate Rule
Jan 1, 2024	Dec 31, 2024	Nitrate	MR	No	Yes	—	10 mg/L	—	Archived	Dec 31, 2024	Nitrate Rule
Oct 15, 2023	—	Public Notice	Other	No	No	—	—	—	Unaddressed	—	Public Notice Rule and Revised PN Rule
Feb 17, 2023	—	Public Notice	Other	No	No	—	—	—	Unaddressed	—	Public Notice Rule and Revised PN Rule
Dec 29, 2022	—	Public Notice	Other	No	No	—	—	—	Unaddressed	—	Public Notice Rule and Revised PN Rule
Sep 4, 2022	—	Revised Total Coliform Rule	TT	Yes	No	—	—	—	Resolved	Aug 16, 2023	Revised Total Coliform Rule
Sep 4, 2022	—	Revised Total Coliform Rule	TT	Yes	No	—	—	—	Resolved	Aug 16, 2023	Revised Total Coliform Rule
Sep 4, 2022	—	Revised Total Coliform Rule	TT	Yes	No	—	—	—	Resolved	Aug 16, 2023	Revised Total Coliform Rule
Aug 17, 2022	—	E. COLI	MR	No	Yes	—	—	—	Unaddressed	—	Ground Water Rule
Aug 17, 2022	—	E. COLI	MR	No	Yes	—	—	—	Unaddressed	—	Ground Water Rule
Feb 19, 2022	—	Public Notice	Other	No	No	—	—	—	Unaddressed	—	Public Notice Rule and Revised PN Rule
Feb 13, 2020	—	Public Notice	Other	No	No	—	—	—	Unaddressed	—	Public Notice Rule and Revised PN Rule
Jan 1, 2020	Dec 31, 2020	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2020	Nitrate Rule
Jan 1, 2020	Dec 31, 2020	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2020	Nitrate Rule
Jan 1, 2020	Dec 31, 2020	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2020	Nitrate Rule
Aug 1, 2018	—	Revised Total Coliform Rule	RPT	No	No	—	—	—	Resolved	Sep 13, 2018	Revised Total Coliform Rule
Aug 1, 2018	—	Revised Total Coliform Rule	RPT	No	No	—	—	—	Resolved	Sep 13, 2018	Revised Total Coliform 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
Jan 1, 2018	Dec 31, 2018	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2018	Nitrate Rule
Dec 1, 2017	Dec 31, 2017	Revised Total Coliform Rule	MON	No	Yes	—	—	—	Resolved	Dec 31, 2017	Revised Total Coliform Rule
Dec 1, 2017	Dec 31, 2017	Revised Total Coliform Rule	MON	No	Yes	—	—	—	Resolved	Dec 31, 2017	Revised Total Coliform Rule
Sep 16, 2016	—	E. COLI	MR	No	Yes	—	—	—	Resolved	Nov 6, 2017	Ground Water Rule
Sep 16, 2016	—	E. COLI	MR	No	Yes	—	—	—	Resolved	Nov 6, 2017	Ground Water Rule
Feb 1, 2016	Feb 29, 2016	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Feb 29, 2016	Total Coliform Rule
Feb 1, 2016	Feb 29, 2016	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Feb 29, 2016	Total Coliform Rule
Jan 1, 2016	Dec 31, 2016	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2016	Nitrate Rule
Jan 1, 2016	Dec 31, 2016	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2016	Nitrate Rule
Jan 1, 2016	Dec 31, 2016	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2016	Nitrate Rule
Jan 1, 2016	Dec 31, 2016	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2016	Nitrate Rule
Jan 1, 2015	Dec 31, 2015	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2015	Nitrate 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	Dec 31, 2015	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2015	Nitrate Rule
Jan 1, 2015	Dec 31, 2015	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2015	Nitrate Rule
Jan 1, 2015	Dec 31, 2015	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2015	Nitrate Rule
Jan 1, 2015	Jan 31, 2015	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Jan 31, 2015	Total Coliform Rule
Oct 9, 2014	—	E. COLI	MR	No	Yes	—	—	—	Resolved	Jan 29, 2015	Ground Water Rule
Oct 9, 2014	—	E. COLI	MR	No	Yes	—	—	—	Resolved	Jan 29, 2015	Ground Water Rule
Oct 1, 2014	Oct 31, 2014	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Oct 31, 2014	Total Coliform Rule
Oct 1, 2014	Oct 31, 2014	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Oct 31, 2014	Total Coliform Rule
Sep 1, 2014	Sep 30, 2014	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Sep 30, 2014	Total Coliform Rule
Sep 1, 2014	Sep 30, 2014	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Sep 30, 2014	Total Coliform Rule
Oct 1, 2013	Oct 31, 2013	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Oct 31, 2013	Total Coliform Rule
Oct 1, 2013	Oct 31, 2013	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Oct 31, 2013	Total Coliform Rule
Jan 1, 2013	Dec 31, 2013	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2013	Nitrate Rule
Jan 1, 2013	Dec 31, 2013	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2013	Nitrate Rule
Jan 1, 2013	Dec 31, 2021	Nitrite	MR	No	Yes	—	1 mg/L	—	Archived	Dec 31, 2021	Nitrate 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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