Is Tuba City Boarding School BIA required to publish a Consumer Confidence Report?

Yes. Tuba City Boarding School BIA is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.

When is Tuba City Boarding School BIA’s next Consumer Confidence Report due?

Tuba City Boarding School BIA’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.

What is a Consumer Confidence Report?

A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.

Tuba City, NN

Tuba City Boarding School BIA Water System

Consumer Confidence Report status

Tuba City Boarding School BIA must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.

As of August 1, 2026, EPA's federal records show no open violations for Tuba City Boarding School BIA.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 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)

Tuba City Boarding School BIA is among the 15 largest community water systems in Navajo Nation, serving 2,040 people from groundwater.

As of August 1, 2026, its federal record holds 23 entries between 2000 and 2025, all of which EPA lists as closed.

Of the 23, 21 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves the Stage 1 Disinfectants and Disinfection Byproducts Rule, the Total Coliform Rules, and synthetic organic chemicals.

Violation history

Monitoring and Reporting (DBP)
—
Chlorine
July 1, 2025 – September 30, 2025
Archived
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2025 – June 30, 2025
Archived
Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2025 – March 31, 2025
Archived
Monitoring and Reporting (DBP)
—
Chlorine
October 1, 2024 – December 31, 2024
Archived
Monitoring and Reporting (DBP)
—
Chlorine
July 1, 2024 – September 30, 2024
Archived
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2024 – June 30, 2024
Archived
Report Sample Result/Fail Monitor (RTCR)
—
Revised Total Coliform Rule
January 1, 2024 – February 20, 2024
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
October 1, 2023 – November 13, 2023
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
Monitoring and Reporting (DBP)
—
Chlorine
July 1, 2023 – September 30, 2023
Resolved
Report Sample Result/Fail Monitor (RTCR)
—
Revised Total Coliform Rule
October 1, 2022 – November 17, 2022
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2022 – February 28, 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
—
ETHYLENE DIBROMIDE
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
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2000 – April 13, 2007
Resolved

Archived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
July 1, 2025 – September 30, 2025	Monitoring and Reporting (DBP)	Chlorine	—	Archived
April 1, 2025 – June 30, 2025	Monitoring and Reporting (DBP)	Chlorine	—	Archived
January 1, 2025 – March 31, 2025	Monitoring and Reporting (DBP)	Chlorine	—	Archived
October 1, 2024 – December 31, 2024	Monitoring and Reporting (DBP)	Chlorine	—	Archived
July 1, 2024 – September 30, 2024	Monitoring and Reporting (DBP)	Chlorine	—	Archived
April 1, 2024 – June 30, 2024	Monitoring and Reporting (DBP)	Chlorine	—	Archived
January 1, 2024 – February 20, 2024	Report Sample Result/Fail Monitor (RTCR)	Revised Total Coliform Rule	—	Resolved
October 1, 2023 – November 13, 2023	Monitoring and Reporting (DBP)	Chlorine	—	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
July 1, 2023 – September 30, 2023	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
October 1, 2022 – November 17, 2022	Report Sample Result/Fail Monitor (RTCR)	Revised Total Coliform Rule	—	Resolved
January 1, 2022 – February 28, 2022	Monitoring and Reporting (DBP)	Chlorine	—	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	ETHYLENE DIBROMIDE	—	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
July 1, 2000 – April 13, 2007	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved

Archived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state

Enforcement actions

December 5, 2025State Formal Notice of Violation issued1 linked violation
April 21, 2025State Formal Notice of Violation issued1 linked violation
March 7, 2025State Formal Notice of Violation issued1 linked violation
August 28, 2024State Formal Notice of Violation issued1 linked violation
February 20, 2024State Compliance achieved1 linked violation
November 13, 2023State Compliance achieved1 linked violation
November 13, 2023State 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
February 28, 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

Common questions

Is Tuba City Boarding School BIA required to publish a Consumer Confidence Report?: Yes. Tuba City Boarding School BIA is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is Tuba City Boarding School BIA’s next Consumer Confidence Report due?: Tuba City Boarding School BIA’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does Tuba City Boarding School BIA have any open drinking water violations on record?: As of August 1, 2026, EPA's federal records show no open violations for Tuba City Boarding School BIA.
What is a Consumer Confidence Report?: A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.

Contact

BIA Tuba City Boarding School

9282832330

Tuba City, AZ 86045