Mishongnovi (Upper Sipaulovi/Upper Mishongnovi)

Arizona — Community Water System — PWSID: 090400394

System Information

PWSID	090400394
System Name	Mishongnovi (Upper Sipaulovi/Upper Mishongnovi)
System Type	Community Water System
Water Source	Ground Water Purchased
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	Second Mesa
ZIP Code	86043
Address	PO Box 889
Organization	Sipaulovi Village
Phone	9283807407

Population & Service

Population Served	490
Service Connections	41

Drinking Water Violations (454)

This water system has 454 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 1, 2025	Sep 30, 2025	Chlorine	MR	No	Yes	—	4.0 mg/L	—	Archived	Sep 30, 2025	Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2025	Jul 31, 2025	Revised Total Coliform Rule	MON	No	Yes	—	—	—	Resolved	Jul 31, 2025	Revised Total Coliform Rule
Apr 1, 2023	Apr 30, 2023	Revised Total Coliform Rule	MON	No	Yes	—	—	—	Archived	Apr 30, 2023	Revised Total Coliform Rule
Mar 1, 2023	Mar 31, 2023	Revised Total Coliform Rule	MON	No	Yes	—	—	—	Resolved	Mar 31, 2023	Revised Total Coliform Rule
Jul 1, 2022	Sep 30, 2022	Arsenic	MCL	Yes	No	.0165 MG/L	0.010 mg/L	—	Resolved	Sep 30, 2022	Arsenic Rule
Apr 1, 2022	Jun 30, 2022	Arsenic	MCL	Yes	No	.0175 MG/L	0.010 mg/L	—	Resolved	Jun 30, 2022	Arsenic Rule
Apr 1, 2022	Jun 30, 2022	Arsenic	MCL	Yes	No	.0175 MG/L	0.010 mg/L	—	Resolved	Jun 30, 2022	Arsenic Rule
Jan 1, 2022	Mar 31, 2022	Arsenic	MCL	Yes	No	.0178 MG/L	0.010 mg/L	—	Resolved	Mar 31, 2022	Arsenic Rule
Jan 1, 2022	Mar 31, 2022	Arsenic	MCL	Yes	No	.0178 MG/L	0.010 mg/L	—	Resolved	Mar 31, 2022	Arsenic Rule
Oct 1, 2021	Dec 31, 2021	Arsenic	MCL	Yes	No	.018 MG/L	0.010 mg/L	—	Resolved	Dec 31, 2021	Arsenic Rule
Oct 1, 2021	Dec 31, 2021	Arsenic	MCL	Yes	No	.018 MG/L	0.010 mg/L	—	Resolved	Dec 31, 2021	Arsenic Rule
Jul 1, 2021	Sep 30, 2021	Arsenic	MCL	Yes	No	.018 MG/L	0.010 mg/L	—	Resolved	Sep 30, 2021	Arsenic Rule
Jul 1, 2021	Sep 30, 2021	Arsenic	MCL	Yes	No	.018 MG/L	0.010 mg/L	—	Resolved	Sep 30, 2021	Arsenic Rule
Apr 1, 2021	Jun 30, 2021	Arsenic	MCL	Yes	No	.0172 MG/L	0.010 mg/L	—	Resolved	Jun 30, 2021	Arsenic Rule
Apr 1, 2021	Jun 30, 2021	Arsenic	MCL	Yes	No	.0172 MG/L	0.010 mg/L	—	Resolved	Jun 30, 2021	Arsenic Rule
Jan 1, 2021	Mar 31, 2021	Arsenic	MCL	Yes	No	.0167 MG/L	0.010 mg/L	—	Resolved	Mar 31, 2021	Arsenic Rule
Jan 1, 2021	Mar 31, 2021	Arsenic	MCL	Yes	No	.0167 MG/L	0.010 mg/L	—	Resolved	Mar 31, 2021	Arsenic Rule
Oct 1, 2020	Dec 31, 2020	Arsenic	MCL	Yes	No	.017 MG/L	0.010 mg/L	—	Resolved	Dec 31, 2020	Arsenic Rule
Oct 1, 2020	Dec 31, 2020	Arsenic	MCL	Yes	No	.017 MG/L	0.010 mg/L	—	Resolved	Dec 31, 2020	Arsenic Rule
Oct 1, 2020	—	Revised Total Coliform Rule	RPT	No	No	—	—	—	Resolved	Dec 4, 2020	Revised Total Coliform Rule
Jul 1, 2020	Sep 30, 2020	Arsenic	MCL	Yes	No	.0177 MG/L	0.010 mg/L	—	Resolved	Sep 30, 2020	Arsenic Rule
Jul 1, 2020	Sep 30, 2020	Arsenic	MCL	Yes	No	.0177 MG/L	0.010 mg/L	—	Resolved	Sep 30, 2020	Arsenic Rule
Apr 1, 2020	Jun 30, 2020	Arsenic	MCL	Yes	No	.0175 MG/L	0.010 mg/L	—	Resolved	Jun 30, 2020	Arsenic Rule
Apr 1, 2020	Jun 30, 2020	Arsenic	MCL	Yes	No	.0175 MG/L	0.010 mg/L	—	Resolved	Jun 30, 2020	Arsenic Rule
Jan 1, 2020	Mar 31, 2020	Arsenic	MCL	Yes	No	.0175 MG/L	0.010 mg/L	—	Resolved	Mar 31, 2020	Arsenic Rule
Jan 1, 2020	Mar 31, 2020	Arsenic	MCL	Yes	No	.0175 MG/L	0.010 mg/L	—	Resolved	Mar 31, 2020	Arsenic Rule
Oct 1, 2019	Dec 31, 2019	Arsenic	MCL	Yes	No	.0172 MG/L	0.010 mg/L	—	Resolved	Dec 31, 2019	Arsenic Rule
Oct 1, 2019	Dec 31, 2019	Arsenic	MCL	Yes	No	.0172 MG/L	0.010 mg/L	—	Resolved	Dec 31, 2019	Arsenic Rule
Jul 1, 2019	Sep 30, 2019	Arsenic	MCL	Yes	No	.017 MG/L	0.010 mg/L	—	Resolved	Sep 30, 2019	Arsenic Rule
Jul 1, 2019	Sep 30, 2019	Arsenic	MCL	Yes	No	.017 MG/L	0.010 mg/L	—	Resolved	Sep 30, 2019	Arsenic Rule
Apr 1, 2019	Jun 30, 2019	Arsenic	MCL	Yes	No	.0165 MG/L	0.010 mg/L	—	Resolved	Jun 30, 2019	Arsenic Rule
Apr 1, 2019	Jun 30, 2019	Arsenic	MCL	Yes	No	.0165 MG/L	0.010 mg/L	—	Resolved	Jun 30, 2019	Arsenic Rule
Jan 1, 2019	Mar 31, 2019	Arsenic	MCL	Yes	No	.0163 MG/L	0.010 mg/L	—	Resolved	Mar 31, 2019	Arsenic Rule
Jan 1, 2019	Mar 31, 2019	Arsenic	MCL	Yes	No	.0163 MG/L	0.010 mg/L	—	Resolved	Mar 31, 2019	Arsenic Rule
Oct 1, 2018	Dec 31, 2018	Arsenic	MCL	Yes	No	.0166 MG/L	0.010 mg/L	—	Resolved	Dec 31, 2018	Arsenic Rule
Oct 1, 2018	Dec 31, 2018	Arsenic	MCL	Yes	No	.0166 MG/L	0.010 mg/L	—	Resolved	Dec 31, 2018	Arsenic Rule
Jul 1, 2018	Sep 30, 2018	Arsenic	MCL	Yes	No	.0166 MG/L	0.010 mg/L	—	Resolved	Sep 30, 2018	Arsenic Rule
Jul 1, 2018	Sep 30, 2018	Arsenic	MCL	Yes	No	.0166 MG/L	0.010 mg/L	—	Resolved	Sep 30, 2018	Arsenic Rule
Apr 1, 2018	Jun 30, 2018	Arsenic	MCL	Yes	No	.017 MG/L	0.010 mg/L	—	Resolved	Jun 30, 2018	Arsenic Rule
Apr 1, 2018	Jun 30, 2018	Arsenic	MCL	Yes	No	.017 MG/L	0.010 mg/L	—	Resolved	Jun 30, 2018	Arsenic Rule
Jan 1, 2018	Mar 31, 2018	Arsenic	MCL	Yes	No	.0169 MG/L	0.010 mg/L	—	Resolved	Mar 31, 2018	Arsenic Rule
Jan 1, 2018	Mar 31, 2018	Arsenic	MCL	Yes	No	.0169 MG/L	0.010 mg/L	—	Resolved	Mar 31, 2018	Arsenic Rule
Oct 1, 2017	Dec 31, 2017	Arsenic	MCL	Yes	No	.0165 MG/L	0.010 mg/L	—	Resolved	Dec 31, 2017	Arsenic Rule
Oct 1, 2017	Dec 31, 2017	Arsenic	MCL	Yes	No	.0165 MG/L	0.010 mg/L	—	Resolved	Dec 31, 2017	Arsenic Rule
Jul 1, 2017	Sep 30, 2017	Arsenic	MCL	Yes	No	.0167 MG/L	0.010 mg/L	—	Resolved	Sep 30, 2017	Arsenic Rule
Jul 1, 2017	Sep 30, 2017	Arsenic	MCL	Yes	No	.0167 MG/L	0.010 mg/L	—	Resolved	Sep 30, 2017	Arsenic Rule
Apr 1, 2017	Jun 30, 2017	Arsenic	MCL	Yes	No	.0165 MG/L	0.010 mg/L	—	Resolved	Jun 30, 2017	Arsenic Rule
Apr 1, 2017	Jun 30, 2017	Arsenic	MCL	Yes	No	.0165 MG/L	0.010 mg/L	—	Resolved	Jun 30, 2017	Arsenic Rule
Jan 1, 2017	Mar 31, 2017	Arsenic	MCL	Yes	No	.0167 MG/L	0.010 mg/L	—	Resolved	Mar 31, 2017	Arsenic Rule
Jan 1, 2017	Mar 31, 2017	Arsenic	MCL	Yes	No	.0167 MG/L	0.010 mg/L	—	Resolved	Mar 31, 2017	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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