Public water system record

Montezuma Creek NTUA

On record as serving Montezuma Creek, San Juan County, UT · Serves 424 people

Federal records show no health-based violations and 7 monitoring/reporting issues for Montezuma Creek NTUA in the last ten years.

NN4903018
FT DEFIANCE
AZ
424 served

System profile

Source water Groundwater

ZIP 86504

EPA system ID NN4903018

Verify this system on EPA ECHO →

Health-based violations, last 10 years: 0
Resolved: 0
Unresolved: 0
Any acute record: No
Monitoring issues, last 10 years: 7

Key facts

Montezuma Creek NTUA draws water from 2 wells.
Most recent formal enforcement: compliance order (no penalty) by Navajo Nation EPA, May 2013.
Record on file since 2008, with 14 health-based violations before October 19, 2016.

Check whether Montezuma Creek NTUA serves your address

Health-based violations

Since October 2016

Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.

None since October 2016.

Monitoring and reporting issues

Since October 2016

Missed tests or reports, not contaminants found above a limit.

Issue	Start date	Status
Arsenic Monitoring and reporting	Jan 1, 2022	Resolved
Arsenic Monitoring and reporting	Oct 1, 2021	Resolved
Arsenic Monitoring and reporting	Apr 1, 2021	Resolved
Arsenic Monitoring and reporting	Apr 1, 2019	Resolved
Arsenic Monitoring and reporting	Jan 1, 2019	Resolved
Revised Total Coliform Rule OTHER	Apr 1, 2016	Resolved
Stage 2 Disinfection Byproducts Rule Monitoring and reporting	Oct 1, 2013	Resolved

Full record since 2008

EPA's records for Montezuma Creek NTUA go back to 2008. Before October 19, 2016 they list 14 health-based violations (14 resolved) and 27 monitoring or reporting violations.

Violations that began in	Health-based	Monitoring and reporting
2000s	0	16
2010 to October 18, 2016	14	11
October 19, 2016 to 2019	0	2
2020s	0	3

Most recent health-based violation before October 19, 2016: Arsenic, began October 2015, Resolved.

Show all 14 health-based violations before October 19, 2016

Contaminant	Start date	Status
Arsenic Contaminant limit exceeded Measured 0.0115 mg/L, federal limit 0.01 mg/L (1.2 times the limit)	Oct 1, 2015	Resolved
Arsenic Contaminant limit exceeded Measured 0.0233 mg/L, federal limit 0.01 mg/L (2.3 times the limit)	Jul 1, 2015	Resolved
Arsenic Contaminant limit exceeded Measured 0.0233 mg/L, federal limit 0.01 mg/L (2.3 times the limit)	Jan 1, 2015	Resolved
Arsenic Contaminant limit exceeded Measured 0.02328 mg/L, federal limit 0.01 mg/L (2.3 times the limit)	Oct 1, 2014	Resolved
Arsenic Contaminant limit exceeded Measured 0.0183 mg/L, federal limit 0.01 mg/L (1.8 times the limit)	Jul 1, 2014	Resolved
Arsenic Contaminant limit exceeded Measured 0.0175 mg/L, federal limit 0.01 mg/L (1.8 times the limit)	Apr 1, 2014	Resolved
Arsenic Contaminant limit exceeded Measured 0.0166 mg/L, federal limit 0.01 mg/L (1.7 times the limit)	Jan 1, 2014	Resolved
Arsenic Contaminant limit exceeded Measured 0.02085 mg/L, federal limit 0.01 mg/L (2.1 times the limit)	Oct 1, 2013	Resolved
Arsenic Contaminant limit exceeded Measured 0.02618 mg/L, federal limit 0.01 mg/L (2.6 times the limit)	Jul 1, 2013	Resolved
Arsenic Contaminant limit exceeded Measured 0.02435 mg/L, federal limit 0.01 mg/L (2.4 times the limit)	Apr 1, 2013	Resolved
Arsenic Contaminant limit exceeded Measured 0.02325 mg/L, federal limit 0.01 mg/L (2.3 times the limit)	Jan 1, 2013	Resolved
Arsenic Contaminant limit exceeded Measured 0.0165 mg/L, federal limit 0.01 mg/L (1.7 times the limit)	Oct 1, 2012	Resolved
Arsenic Contaminant limit exceeded Measured 0.0205 mg/L, federal limit 0.01 mg/L (2.1 times the limit)	Jul 1, 2012	Resolved
Total Coliform Contaminant limit exceeded	Aug 1, 2011	Resolved

Enforcement actions

Navajo Nation EPA took 1 formal enforcement action against Montezuma Creek NTUA in 2013, filed as 17 records in EPA's data. The most recent was a compliance order (no penalty) in May 2013.

Date	By	Action	Violations covered
May 20, 2013	Navajo Nation EPA	Compliance order (no penalty)	17 violations (13 health-based): Total Coliform, Arsenic, Public Notice

Where the water comes from

Montezuma Creek NTUA draws water from 2 wells.

Annual water quality report

Montezuma Creek NTUA must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.

Systems serving 500 or fewer people may meet the rule by telling customers the report is available on request, so you may need to ask Montezuma Creek NTUA for a copy.

Find a posted report with EPA's Consumer Confidence Report search

Testing your own water

To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by EPA Region 9.

Certified drinking water labs by state EPA guidance for private wells