Fort Defiance, 09
Rock Springs Community - NTUA 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 EPA Region 9’s official records. Always confirm current status with EPA Region 9 before making decisions based on this information.
System facts
- System ID (PWSID)
- 093500302
- System type
- Community Water System
- Population served
- 1,574
- Service connections
- 410
- Ownership
- Native American tribal
- Water source
- groundwater (wells)
Violation history
Monitoring, Regular
—Nitrate
January 1, 2025 – December 31, 2025
ArchivedMonitoring, Regular
—Di(2-ethylhexyl) phthalate
January 1, 2016 – March 31, 2016
ResolvedMonitoring, Regular
—Toluene
January 1, 2016 – March 31, 2016
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) phthalate
October 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—Toluene
October 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) phthalate
July 1, 2015 – July 30, 2015
ResolvedMonitoring, Regular
—Toluene
July 1, 2015 – July 30, 2015
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
May 1, 2015 – August 17, 2011
ResolvedMonitoring, Regular
—Toluene
April 1, 2015 – June 30, 2015
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) phthalate
April 1, 2015 – June 30, 2015
ResolvedMonitoring, Regular
—Toluene
January 1, 2015 – March 31, 2015
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) phthalate
January 1, 2015 – March 31, 2015
ResolvedMonitoring, Regular
—Toluene
October 1, 2014 – December 31, 2014
ResolvedMonitoring, Regular
—Toluene
July 1, 2014 – September 30, 2014
ResolvedMonitoring, Regular
—Toluene
April 1, 2014 – June 30, 2014
ResolvedMonitoring, Regular
—Toluene
January 1, 2014 – March 31, 2014
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
January 1, 2014 – December 31, 2014
ResolvedMonitoring and Reporting (DBP)
—TTHM
January 1, 2014 – December 31, 2014
ResolvedMonitoring, Regular
—Cadmium
January 1, 2011 – December 31, 2013
ResolvedMonitoring, Regular
—Barium
January 1, 2011 – December 31, 2013
ResolvedMonitoring, Regular
—Arsenic
January 1, 2011 – December 31, 2013
ResolvedMonitoring, Regular
—Selenium
January 1, 2011 – December 31, 2013
ResolvedMonitoring, Regular
—Nitrate
January 1, 2011 – December 31, 2011
ResolvedMonitoring, Regular
—Antimony, Total
January 1, 2011 – December 31, 2013
ResolvedMonitoring, Regular
—Beryllium, Total
January 1, 2011 – December 31, 2013
ResolvedMonitoring, Regular
—Thallium, Total
January 1, 2011 – December 31, 2013
ResolvedMonitoring, Regular
—Mercury
January 1, 2011 – December 31, 2013
ResolvedMonitoring, Regular
—Fluoride
January 1, 2011 – December 31, 2013
ResolvedMonitoring, Regular
—CYANIDE
January 1, 2011 – December 31, 2013
ResolvedMonitoring, Regular
—Chromium
January 1, 2011 – December 31, 2013
ResolvedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
January 1, 2008 – December 31, 2013
ResolvedMonitoring, Regular
—Combined Radium (-226 and -228)
January 1, 2008 – December 31, 2013
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
November 1, 2004 – November 30, 2004
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2002 – April 13, 2007
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
May 1, 2002 – May 31, 2002
ResolvedMonitoring, Regular
—DICHLOROMETHANE
January 1, 2001 – December 31, 2001
ResolvedMonitoring, Regular
—Xylenes, Total
January 1, 2001 – December 31, 2001
ResolvedMonitoring, Regular
—Total Polychlorinated Biphenyls (PCB)
January 1, 2001 – December 31, 2001
ResolvedMonitoring, Regular
—Thallium, Total
January 1, 2001 – December 31, 2001
ResolvedMonitoring, Regular
—Barium
January 1, 2001 – December 31, 2001
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 |
|---|---|---|---|---|
| January 1, 2025 – December 31, 2025 | Monitoring, Regular | Nitrate | — | Archived |
| January 1, 2016 – March 31, 2016 | Monitoring, Regular | Di(2-ethylhexyl) phthalate | — | Resolved |
| January 1, 2016 – March 31, 2016 | Monitoring, Regular | Toluene | — | Resolved |
| October 1, 2015 – December 31, 2015 | Monitoring, Regular | Di(2-ethylhexyl) phthalate | — | Resolved |
| October 1, 2015 – December 31, 2015 | Monitoring, Regular | Toluene | — | Resolved |
| July 1, 2015 – July 30, 2015 | Monitoring, Regular | Di(2-ethylhexyl) phthalate | — | Resolved |
| July 1, 2015 – July 30, 2015 | Monitoring, Regular | Toluene | — | Resolved |
| May 1, 2015 – August 17, 2011 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| April 1, 2015 – June 30, 2015 | Monitoring, Regular | Toluene | — | Resolved |
| April 1, 2015 – June 30, 2015 | Monitoring, Regular | Di(2-ethylhexyl) phthalate | — | Resolved |
| January 1, 2015 – March 31, 2015 | Monitoring, Regular | Toluene | — | Resolved |
| January 1, 2015 – March 31, 2015 | Monitoring, Regular | Di(2-ethylhexyl) phthalate | — | Resolved |
| October 1, 2014 – December 31, 2014 | Monitoring, Regular | Toluene | — | Resolved |
| July 1, 2014 – September 30, 2014 | Monitoring, Regular | Toluene | — | Resolved |
| April 1, 2014 – June 30, 2014 | Monitoring, Regular | Toluene | — | Resolved |
| January 1, 2014 – March 31, 2014 | Monitoring, Regular | Toluene | — | Resolved |
| January 1, 2014 – December 31, 2014 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| January 1, 2014 – December 31, 2014 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| January 1, 2011 – December 31, 2013 | Monitoring, Regular | Cadmium | — | Resolved |
| January 1, 2011 – December 31, 2013 | Monitoring, Regular | Barium | — | Resolved |
| January 1, 2011 – December 31, 2013 | Monitoring, Regular | Arsenic | — | Resolved |
| January 1, 2011 – December 31, 2013 | Monitoring, Regular | Selenium | — | Resolved |
| January 1, 2011 – December 31, 2011 | Monitoring, Regular | Nitrate | — | Resolved |
| January 1, 2011 – December 31, 2013 | Monitoring, Regular | Antimony, Total | — | Resolved |
| January 1, 2011 – December 31, 2013 | Monitoring, Regular | Beryllium, Total | — | Resolved |
| January 1, 2011 – December 31, 2013 | Monitoring, Regular | Thallium, Total | — | Resolved |
| January 1, 2011 – December 31, 2013 | Monitoring, Regular | Mercury | — | Resolved |
| January 1, 2011 – December 31, 2013 | Monitoring, Regular | Fluoride | — | Resolved |
| January 1, 2011 – December 31, 2013 | Monitoring, Regular | CYANIDE | — | Resolved |
| January 1, 2011 – December 31, 2013 | Monitoring, Regular | Chromium | — | Resolved |
| January 1, 2008 – December 31, 2013 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Resolved |
| January 1, 2008 – December 31, 2013 | Monitoring, Regular | Combined Radium (-226 and -228) | — | Resolved |
| November 1, 2004 – November 30, 2004 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| July 1, 2002 – April 13, 2007 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| May 1, 2002 – May 31, 2002 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| January 1, 2001 – December 31, 2001 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| January 1, 2001 – December 31, 2001 | Monitoring, Regular | Xylenes, Total | — | Resolved |
| January 1, 2001 – December 31, 2001 | Monitoring, Regular | Total Polychlorinated Biphenyls (PCB) | — | Resolved |
| January 1, 2001 – December 31, 2001 | Monitoring, Regular | Thallium, Total | — | Resolved |
| January 1, 2001 – December 31, 2001 | Monitoring, Regular | Barium | — | Resolved |
Archived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state
Enforcement actions
- September 30, 2016Federal Compliance achieved1 linked violation
- September 30, 2016Federal Compliance achieved1 linked violation
- September 30, 2016Federal Compliance achieved1 linked violation
- September 30, 2016Federal Compliance achieved1 linked violation
- August 8, 2016Federal Compliance achieved1 linked violation
- August 8, 2016Federal Compliance achieved1 linked violation
- May 20, 2016Federal Compliance achieved1 linked violation
- May 20, 2016Federal Compliance achieved1 linked violation
- May 20, 2016Federal Compliance achieved1 linked violation
- July 30, 2015Federal Compliance achieved1 linked violation
- July 30, 2015Federal Compliance achieved1 linked violation
- July 30, 2015Federal Compliance achieved1 linked violation
- July 30, 2015Federal Compliance achieved1 linked violation
- July 30, 2015Federal Compliance achieved1 linked violation
- July 30, 2015Federal Compliance achieved1 linked violation
- July 30, 2015Federal Compliance achieved1 linked violation
- July 30, 2015Federal Compliance achieved1 linked violation
- June 4, 2014Federal Compliance achieved1 linked violation
- June 4, 2014Federal Compliance achieved1 linked violation
- June 4, 2014Federal Compliance achieved1 linked violation
- June 4, 2014Federal Compliance achieved1 linked violation
- June 4, 2014Federal Compliance achieved1 linked violation
- June 4, 2014Federal Compliance achieved1 linked violation
- June 4, 2014Federal Compliance achieved1 linked violation
- June 4, 2014Federal Compliance achieved1 linked violation
- June 4, 2014Federal Compliance achieved1 linked violation
- June 4, 2014Federal Compliance achieved1 linked violation
- June 4, 2014Federal Compliance achieved1 linked violation
- June 4, 2014Federal Compliance achievedgeneral compliance action — not tied to a specific violation on record
- June 4, 2014Federal Compliance achieved1 linked violation
- November 6, 2012Federal Compliance achieved1 linked violation
- August 17, 2011Federal Compliance achieved1 linked violation
- April 13, 2007Federal Compliance achievedgeneral compliance action — not tied to a specific violation on record
- April 13, 2007Federal Compliance achievedgeneral compliance action — not tied to a specific violation on record
- April 13, 2007Federal Compliance achievedgeneral compliance action — not tied to a specific violation on record
- April 13, 2007Federal Compliance achievedgeneral compliance action — not tied to a specific violation on record
- April 13, 2007Federal Compliance achievedgeneral compliance action — not tied to a specific violation on record
- April 13, 2007Federal Compliance achievedgeneral compliance action — not tied to a specific violation on record
- April 13, 2007Federal Compliance achievedgeneral compliance action — not tied to a specific violation on record
- April 13, 2007Federal Compliance achievedgeneral compliance action — not tied to a specific violation on record
- April 13, 2007Federal Compliance achievedgeneral compliance action — not tied to a specific violation on record
- April 13, 2007Federal Compliance achievedgeneral compliance action — not tied to a specific violation on record
- April 13, 2007Federal Compliance achievedgeneral compliance action — not tied to a specific violation on record
- April 13, 2007Federal Compliance achievedgeneral compliance action — not tied to a specific violation on record
- April 13, 2007Federal Compliance achievedgeneral compliance action — not tied to a specific violation on record
- April 13, 2007Federal Compliance achievedgeneral compliance action — not tied to a specific violation on record
- April 13, 2007Federal Compliance achievedgeneral compliance action — not tied to a specific violation on record
- April 13, 2007Federal Compliance achieved1 linked violation
- April 13, 2007Federal Compliance achieved1 linked violation
- April 13, 2007Federal Compliance achieved1 linked violation
- April 13, 2007Federal Compliance achieved1 linked violation
- April 13, 2007Federal Compliance achieved1 linked violation
- April 13, 2007Federal Compliance achieved1 linked violation
- April 13, 2007Federal Compliance achieved1 linked violation
- April 13, 2007Federal Compliance achievedgeneral compliance action — not tied to a specific violation on record
- April 13, 2007Federal Compliance achievedgeneral compliance action — not tied to a specific violation on record
- April 13, 2007Federal Compliance achievedgeneral compliance action — not tied to a specific violation on record
- April 13, 2007Federal Compliance achievedgeneral compliance action — not tied to a specific violation on record
- April 13, 2007Federal Compliance achievedgeneral compliance action — not tied to a specific violation on record
- April 13, 2007Federal Compliance achievedgeneral compliance action — not tied to a specific violation on record
- April 13, 2007Federal Compliance achievedgeneral compliance action — not tied to a specific violation on record
- April 13, 2007Federal Compliance achievedgeneral compliance action — not tied to a specific violation on record
- April 13, 2007Federal Compliance achievedgeneral compliance action — not tied to a specific violation on record
- April 13, 2007Federal Compliance achievedgeneral compliance action — not tied to a specific violation on record
- April 13, 2007Federal Compliance achievedgeneral compliance action — not tied to a specific violation on record
- April 13, 2007Federal Compliance achievedgeneral compliance action — not tied to a specific violation on record
- April 13, 2007Federal Compliance achieved1 linked violation
Contact
NTUA
Phone not on record
Fort Defiance, AZ 86504