Public water system record

City of Show Low

Serves Show Low, Navajo County, AZ · 17,139 people served

Federal records show 1 health-based violation and 101 monitoring/reporting issues for City of Show Low in the last ten years. The most serious issue in this window was a resolved Groundwater Rule violation.

  • AZ0409026
  • SHOW LOW
  • AZ
  • 17,139 served

System profile

Source water Groundwater
ZIP 85901
EPA system ID AZ0409026

Verify this system on EPA ECHO →

Health-based violations, last 10 years
1
Resolved
1
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
101

Key facts

  • City of Show Low draws water from 15 wells.
  • Record on file since 1980, with 1 health-based violation before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 10,698 service lines.

Check whether City of Show Low serves your address

Address suggestions by Mapbox

Health-based violations

Since October 2016

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

Contaminant Rule family Start date Status Acute
Groundwater Rule
Treatment technique failure
140 Nov 12, 2021 Resolved No

Monitoring and reporting issues

Since October 2016

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

Issue Start date Status
Lead and Copper Rule
Monitoring and reporting
Jan 1, 2023 Resolved
Pentachlorophenol
Monitoring and reporting
Jan 1, 2022 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Carbofuran
Monitoring and reporting
Jan 1, 2022 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Carbofuran
Monitoring and reporting
Jan 1, 2022 Resolved
OXAMYL
Monitoring and reporting
Jan 1, 2022 Resolved
Arsenic
Monitoring and reporting
Jul 1, 2020 Resolved
Radium-228
Monitoring and reporting
Jan 1, 2019 Resolved
Radium-226
Monitoring and reporting
Jan 1, 2019 Resolved
Combined Radium (-226 and -228)
Monitoring and reporting
Jan 1, 2019 Resolved
Combined Uranium
Monitoring and reporting
Jan 1, 2019 Resolved
Gross Alpha, Excl. Radon and U
Monitoring and reporting
Jan 1, 2019 Resolved
Styrene
Monitoring and reporting
Jan 1, 2019 Resolved
Ethylbenzene
Monitoring and reporting
Jan 1, 2019 Resolved
Toluene
Monitoring and reporting
Jan 1, 2019 Resolved
Benzene
Monitoring and reporting
Jan 1, 2019 Resolved
CHLOROBENZENE
Monitoring and reporting
Jan 1, 2019 Resolved
Tetrachloroethylene
Monitoring and reporting
Jan 1, 2019 Resolved
1,1,2-Trichloroethane
Monitoring and reporting
Jan 1, 2019 Resolved
Trichloroethylene
Monitoring and reporting
Jan 1, 2019 Resolved
1,2-Dichloropropane
Monitoring and reporting
Jan 1, 2019 Resolved
Carbon tetrachloride
Monitoring and reporting
Jan 1, 2019 Resolved
1,1,1-Trichloroethane
Monitoring and reporting
Jan 1, 2019 Resolved
1,2-Dichloroethane
Monitoring and reporting
Jan 1, 2019 Resolved
trans-1,2-Dichloroethylene
Monitoring and reporting
Jan 1, 2019 Resolved
1,1-Dichloroethylene
Monitoring and reporting
Jan 1, 2019 Resolved
Vinyl chloride
Monitoring and reporting
Jan 1, 2019 Resolved
p-Dichlorobenzene
Monitoring and reporting
Jan 1, 2019 Resolved
o-Dichlorobenzene
Monitoring and reporting
Jan 1, 2019 Resolved
DICHLOROMETHANE
Monitoring and reporting
Jan 1, 2019 Resolved
Xylenes, Total
Monitoring and reporting
Jan 1, 2019 Resolved
cis-1,2-Dichloroethylene
Monitoring and reporting
Jan 1, 2019 Resolved
1,2,4-Trichlorobenzene
Monitoring and reporting
Jan 1, 2019 Resolved
Nitrate
Monitoring and reporting
Jan 1, 2019 Resolved
Nitrate
Monitoring and reporting
Jan 1, 2019 Resolved
Nitrate
Monitoring and reporting
Jan 1, 2019 Resolved
Nitrate
Monitoring and reporting
Jan 1, 2019 Resolved
Nitrate
Monitoring and reporting
Jan 1, 2019 Resolved
Nitrate
Monitoring and reporting
Jan 1, 2019 Resolved
Nitrate
Monitoring and reporting
Jan 1, 2019 Resolved
Nitrate
Monitoring and reporting
Jan 1, 2019 Resolved
Radium-228
Monitoring and reporting
Jan 1, 2018 Resolved
Radium-226
Monitoring and reporting
Jan 1, 2018 Resolved
Combined Radium (-226 and -228)
Monitoring and reporting
Jan 1, 2018 Resolved
Combined Uranium
Monitoring and reporting
Jan 1, 2018 Resolved
Gross Alpha, Excl. Radon and U
Monitoring and reporting
Jan 1, 2018 Resolved
Arsenic
Monitoring and reporting
Jul 1, 2017 Resolved
Arsenic
Monitoring and reporting
Oct 1, 2016 Resolved
CYANIDE
Monitoring and reporting
Jan 1, 2016 Resolved
Styrene
Monitoring and reporting
Jan 1, 2016 Resolved
Ethylbenzene
Monitoring and reporting
Jan 1, 2016 Resolved
Toluene
Monitoring and reporting
Jan 1, 2016 Resolved
Benzene
Monitoring and reporting
Jan 1, 2016 Resolved
CHLOROBENZENE
Monitoring and reporting
Jan 1, 2016 Resolved
Tetrachloroethylene
Monitoring and reporting
Jan 1, 2016 Resolved
1,1,2-Trichloroethane
Monitoring and reporting
Jan 1, 2016 Resolved
Trichloroethylene
Monitoring and reporting
Jan 1, 2016 Resolved
1,2-Dichloropropane
Monitoring and reporting
Jan 1, 2016 Resolved
Carbon tetrachloride
Monitoring and reporting
Jan 1, 2016 Resolved
1,1,1-Trichloroethane
Monitoring and reporting
Jan 1, 2016 Resolved
1,2-Dichloroethane
Monitoring and reporting
Jan 1, 2016 Resolved
trans-1,2-Dichloroethylene
Monitoring and reporting
Jan 1, 2016 Resolved
1,1-Dichloroethylene
Monitoring and reporting
Jan 1, 2016 Resolved
Vinyl chloride
Monitoring and reporting
Jan 1, 2016 Resolved
p-Dichlorobenzene
Monitoring and reporting
Jan 1, 2016 Resolved
o-Dichlorobenzene
Monitoring and reporting
Jan 1, 2016 Resolved
DICHLOROMETHANE
Monitoring and reporting
Jan 1, 2016 Resolved
Xylenes, Total
Monitoring and reporting
Jan 1, 2016 Resolved
cis-1,2-Dichloroethylene
Monitoring and reporting
Jan 1, 2016 Resolved
1,2,4-Trichlorobenzene
Monitoring and reporting
Jan 1, 2016 Resolved
CYANIDE
Monitoring and reporting
Jan 1, 2015 Resolved
Chlordane
Monitoring and reporting
Jan 1, 2014 Resolved
ETHYLENE DIBROMIDE
Monitoring and reporting
Jan 1, 2014 Resolved
1,2-DIBROMO-3-CHLOROPROPANE
Monitoring and reporting
Jan 1, 2014 Resolved
Pentachlorophenol
Monitoring and reporting
Jan 1, 2014 Resolved
Benzo(a)pyrene
Monitoring and reporting
Jan 1, 2014 Resolved
HEXACHLOROBENZENE
Monitoring and reporting
Jan 1, 2014 Resolved
2,4,5-TP
Monitoring and reporting
Jan 1, 2014 Resolved
2,4-D
Monitoring and reporting
Jan 1, 2014 Resolved
Heptachlor epoxide
Monitoring and reporting
Jan 1, 2014 Resolved
Heptachlor
Monitoring and reporting
Jan 1, 2014 Resolved
2,3,7,8-TCDD
Monitoring and reporting
Jan 1, 2014 Resolved
LASSO
Monitoring and reporting
Jan 1, 2014 Resolved
Atrazine
Monitoring and reporting
Jan 1, 2014 Resolved
Carbofuran
Monitoring and reporting
Jan 1, 2014 Resolved
Hexachlorocyclopentadiene
Monitoring and reporting
Jan 1, 2014 Resolved
Dinoseb
Monitoring and reporting
Jan 1, 2014 Resolved
Picloram
Monitoring and reporting
Jan 1, 2014 Resolved
Di(2-ethylhexyl) phthalate
Monitoring and reporting
Jan 1, 2014 Resolved
Simazine
Monitoring and reporting
Jan 1, 2014 Resolved
OXAMYL
Monitoring and reporting
Jan 1, 2014 Resolved
Di(2-ethylhexyl) adipate
Monitoring and reporting
Jan 1, 2014 Resolved
Glyphosate
Monitoring and reporting
Jan 1, 2014 Resolved
Endothall
Monitoring and reporting
Jan 1, 2014 Resolved
Diquat
Monitoring and reporting
Jan 1, 2014 Resolved
Dalapon
Monitoring and reporting
Jan 1, 2014 Resolved
Toxaphene
Monitoring and reporting
Jan 1, 2014 Resolved
Methoxychlor
Monitoring and reporting
Jan 1, 2014 Resolved
BHC-GAMMA
Monitoring and reporting
Jan 1, 2014 Resolved
Endrin
Monitoring and reporting
Jan 1, 2014 Resolved
Asbestos
Monitoring and reporting
Jan 1, 2012 Resolved
Asbestos
Monitoring and reporting
Jan 1, 2012 Resolved

Full record since 1980

EPA's records for City of Show Low go back to 1980. Before October 19, 2016 they list 1 health-based violation (1 resolved) and 488 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1980s 0 11
1990s 0 150
2000s 0 108
2010 to October 18, 2016 1 219
October 19, 2016 to 2019 0 40
2020s 1 6

Most recent health-based violation before October 19, 2016: Total Coliform, began November 2011, Resolved.

Show the health-based violation before October 19, 2016
Contaminant Start date Status
Total Coliform
Contaminant limit exceeded
Nov 1, 2011 Resolved

What the violations mean

Groundwater Rule

1 incident

The system did not complete a treatment step or action that the Groundwater Rule requires (a treatment technique violation).

The utility had to notify customers about this violation.

Where the water comes from

City of Show Low draws water from 15 wells.

Annual water quality report

City of Show Low 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 10,000 or more people must mail or deliver the report to every customer, and from 2027 they must send it twice a year.

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 Arizona.