Tuba City, NN

Tuba City Boarding School BIA Water System

Current status

No open violations on record as of July 4, 2026.

This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace Navajo Nation’s official records. Always confirm current status with Navajo Nation before making decisions based on this information.

System facts

System ID (PWSID): NN0433001
System type: Community Water System
Population served: 2,040
Service connections: 143
Ownership: federal government
Water source: groundwater (wells)

Violation history

Report Sample Result/Fail Monitor (RTCR)
—
Revised Total Coliform Rule
January 1, 2024 – February 20, 2024
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
October 1, 2023 – October 31, 2023
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
September 1, 2023 – September 30, 2023
Resolved
Report Sample Result/Fail Monitor (RTCR)
—
Revised Total Coliform Rule
October 1, 2022 – November 17, 2022
Resolved
Report Sample Result/Fail Monitor (RTCR)
—
Revised Total Coliform Rule
May 1, 2020 – June 19, 2020
Resolved
Monitoring, Regular
—
Fluoride
January 1, 2008 – December 31, 2010
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2006 – March 16, 2007
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
November 1, 2004 – November 30, 2004
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
March 1, 2002 – March 31, 2002
Resolved
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
January 1, 2001 – December 31, 2001
Resolved
Monitoring, Regular
—
2,4,5-TP
January 1, 2001 – December 31, 2001
Resolved
Monitoring, Regular
—
Carbofuran
January 1, 2001 – December 31, 2001
Resolved
Monitoring, Regular
—
Glyphosate
January 1, 2001 – December 31, 2001
Resolved
Monitoring, Regular
—
ETHYLENE DIBROMIDE
January 1, 2001 – December 31, 2001
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2000 – April 13, 2007
Resolved
Monitoring, Repeat Major (TCR)
—
Coliform (TCR)
July 10, 1996 – August 9, 1996
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
January 1, 2024 – February 20, 2024	Report Sample Result/Fail Monitor (RTCR)	Revised Total Coliform Rule	—	Resolved
October 1, 2023 – October 31, 2023	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
September 1, 2023 – September 30, 2023	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
October 1, 2022 – November 17, 2022	Report Sample Result/Fail Monitor (RTCR)	Revised Total Coliform Rule	—	Resolved
May 1, 2020 – June 19, 2020	Report Sample Result/Fail Monitor (RTCR)	Revised Total Coliform Rule	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Fluoride	—	Resolved
July 1, 2006 – March 16, 2007	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
November 1, 2004 – November 30, 2004	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
March 1, 2002 – March 31, 2002	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 2001 – December 31, 2001	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Resolved
January 1, 2001 – December 31, 2001	Monitoring, Regular	2,4,5-TP	—	Resolved
January 1, 2001 – December 31, 2001	Monitoring, Regular	Carbofuran	—	Resolved
January 1, 2001 – December 31, 2001	Monitoring, Regular	Glyphosate	—	Resolved
January 1, 2001 – December 31, 2001	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Resolved
July 1, 2000 – April 13, 2007	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
July 10, 1996 – August 9, 1996	Monitoring, Repeat Major (TCR)	Coliform (TCR)	—	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

February 20, 2024State Compliance achieved1 linked violation
November 13, 2023State Compliance achieved1 linked violation
November 13, 2023State Compliance achieved1 linked violation
November 17, 2022State Compliance achieved1 linked violation
June 19, 2020State Compliance achieved1 linked violation
February 13, 2013State Compliance achieved1 linked violation
April 9, 2012State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
March 21, 2012State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
March 9, 2011State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
March 11, 2010State Compliance achievedgeneral compliance action — not tied to a specific violation on record
February 25, 2009State Compliance achievedgeneral compliance action — not tied to a specific violation on record
April 13, 2007State Compliance achieved7 linked violations
March 16, 2007State Compliance achieved2 linked violations
February 14, 2007State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
January 7, 2005State Compliance achievedgeneral compliance action — not tied to a specific violation on record
December 14, 2004State Compliance achieved11 linked violations
August 4, 2003State Compliance achieved1 linked violation
August 13, 2002State Compliance achieved1 linked violation

Contact

BIA Tuba City Boarding School

9282832330

Tuba City, AZ 86045