TEMPE, AZ · Maricopa County
TEMPE CITY OF Water System
Consumer Confidence Report status
TEMPE CITY OF 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 TEMPE CITY OF.
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 Arizona’s official records. Always confirm current status with Arizona before making decisions based on this information.
System facts
- System ID (PWSID)
- AZ0407100
- System type
- Community Water System
- Population served
- 165,000
- Service connections
- 40,000
- Ownership
- local government
- Water source
- surface water (rivers, lakes, or reservoirs)
TEMPE CITY OF is among the 9 largest community water systems in Arizona, serving 165,000 people from surface water.
As of August 1, 2026, its federal record holds 48 entries between 1978 and 2018, all of which EPA lists as closed. Nothing has been added since 2018.
All 48 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 inorganic chemicals, volatile organic chemicals, and synthetic organic chemicals.
Violation history
Monitoring, Regular
—CYANIDE
January 1, 2018 – December 31, 2018
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
May 1, 2010 – May 31, 2010
ResolvedMonitoring, Repeat Major (TCR)
—Coliform (TCR)
August 1, 2007 – August 31, 2007
ResolvedMonitoring, Regular
—Nitrate
January 1, 2007 – December 31, 2007
ResolvedMonitoring, Regular
—Styrene
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—Ethylbenzene
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—Cadmium
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—Thallium, Total
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—CYANIDE
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—CYANIDE
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—Chromium
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—Chromium
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—Cadmium
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—Barium
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—Arsenic
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—Selenium
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—Selenium
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—Thallium, Total
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—Thallium, Total
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—Selenium
June 30, 1989 – June 29, 1990
ArchivedMonitoring, Regular
—Barium
June 30, 1989 – June 29, 1990
ArchivedMonitoring, Regular
—Cadmium
June 30, 1989 – June 29, 1990
ArchivedMonitoring, Regular
—Mercury
June 30, 1989 – June 29, 1990
ArchivedMonitoring, Regular
—Fluoride
June 30, 1989 – June 29, 1990
ArchivedMonitoring, Regular
—Arsenic
June 30, 1989 – June 29, 1990
ArchivedMonitoring, Regular
—Nitrate
June 30, 1989 – June 29, 1990
ArchivedMonitoring, Regular
—Barium
July 1, 1988 – September 30, 1988
ArchivedMonitoring, Regular
—Nitrate
July 1, 1988 – September 30, 1988
ArchivedMonitoring, Regular
—Selenium
July 1, 1988 – September 30, 1988
ArchivedMonitoring, Regular
—Chromium
July 1, 1988 – September 30, 1988
ArchivedMonitoring, Regular
—Mercury
July 1, 1988 – September 30, 1988
ArchivedMonitoring, Regular
—Cadmium
July 1, 1988 – September 30, 1988
ArchivedMonitoring, Regular
—Fluoride
July 1, 1988 – September 30, 1988
ArchivedMonitoring, Regular
—Arsenic
August 1, 1987 – July 30, 1988
ArchivedMonitoring, Regular
—Arsenic
May 1, 1980 – April 30, 1981
ArchivedMonitoring, Regular
—Fluoride
May 1, 1980 – April 30, 1981
ArchivedMonitoring, Regular
—Nitrate
May 1, 1980 – April 30, 1981
ArchivedMonitoring, Regular
—Mercury
May 1, 1980 – April 30, 1981
ArchivedMonitoring, Regular
—Chromium
May 1, 1980 – April 30, 1981
ArchivedMonitoring, Regular
—Cadmium
May 1, 1980 – April 30, 1981
ArchivedMonitoring, Regular
—Barium
May 1, 1980 – April 30, 1981
ArchivedMonitoring, Regular
—Selenium
May 1, 1980 – April 30, 1981
ArchivedMonitoring, Regular
—Endrin
May 1, 1979 – April 30, 1982
ArchivedMonitoring, Regular
—2,4-D
May 1, 1979 – April 30, 1982
ArchivedMonitoring, Regular
—BHC-GAMMA
May 1, 1979 – April 30, 1982
ArchivedMonitoring, Regular
—Gross Beta Particle Activity
July 1, 1978 – June 30, 1982
ArchivedMonitoring, Regular
—38-STRONTIUM-90
July 1, 1978 – June 30, 1982
Archived
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| January 1, 2018 – December 31, 2018 | Monitoring, Regular | CYANIDE | — | Resolved |
| May 1, 2010 – May 31, 2010 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| August 1, 2007 – August 31, 2007 | Monitoring, Repeat Major (TCR) | Coliform (TCR) | — | Resolved |
| January 1, 2007 – December 31, 2007 | Monitoring, Regular | Nitrate | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | Styrene | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | Cadmium | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | Thallium, Total | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | CYANIDE | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | CYANIDE | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | Chromium | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | Chromium | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | Cadmium | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | Barium | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | Arsenic | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | Selenium | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | Selenium | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | Thallium, Total | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | Thallium, Total | — | Resolved |
| June 30, 1989 – June 29, 1990 | Monitoring, Regular | Selenium | — | Archived |
| June 30, 1989 – June 29, 1990 | Monitoring, Regular | Barium | — | Archived |
| June 30, 1989 – June 29, 1990 | Monitoring, Regular | Cadmium | — | Archived |
| June 30, 1989 – June 29, 1990 | Monitoring, Regular | Mercury | — | Archived |
| June 30, 1989 – June 29, 1990 | Monitoring, Regular | Fluoride | — | Archived |
| June 30, 1989 – June 29, 1990 | Monitoring, Regular | Arsenic | — | Archived |
| June 30, 1989 – June 29, 1990 | Monitoring, Regular | Nitrate | — | Archived |
| July 1, 1988 – September 30, 1988 | Monitoring, Regular | Barium | — | Archived |
| July 1, 1988 – September 30, 1988 | Monitoring, Regular | Nitrate | — | Archived |
| July 1, 1988 – September 30, 1988 | Monitoring, Regular | Selenium | — | Archived |
| July 1, 1988 – September 30, 1988 | Monitoring, Regular | Chromium | — | Archived |
| July 1, 1988 – September 30, 1988 | Monitoring, Regular | Mercury | — | Archived |
| July 1, 1988 – September 30, 1988 | Monitoring, Regular | Cadmium | — | Archived |
| July 1, 1988 – September 30, 1988 | Monitoring, Regular | Fluoride | — | Archived |
| August 1, 1987 – July 30, 1988 | Monitoring, Regular | Arsenic | — | Archived |
| May 1, 1980 – April 30, 1981 | Monitoring, Regular | Arsenic | — | Archived |
| May 1, 1980 – April 30, 1981 | Monitoring, Regular | Fluoride | — | Archived |
| May 1, 1980 – April 30, 1981 | Monitoring, Regular | Nitrate | — | Archived |
| May 1, 1980 – April 30, 1981 | Monitoring, Regular | Mercury | — | Archived |
| May 1, 1980 – April 30, 1981 | Monitoring, Regular | Chromium | — | Archived |
| May 1, 1980 – April 30, 1981 | Monitoring, Regular | Cadmium | — | Archived |
| May 1, 1980 – April 30, 1981 | Monitoring, Regular | Barium | — | Archived |
| May 1, 1980 – April 30, 1981 | Monitoring, Regular | Selenium | — | Archived |
| May 1, 1979 – April 30, 1982 | Monitoring, Regular | Endrin | — | Archived |
| May 1, 1979 – April 30, 1982 | Monitoring, Regular | 2,4-D | — | Archived |
| May 1, 1979 – April 30, 1982 | Monitoring, Regular | BHC-GAMMA | — | Archived |
| July 1, 1978 – June 30, 1982 | Monitoring, Regular | Gross Beta Particle Activity | — | Archived |
| July 1, 1978 – June 30, 1982 | Monitoring, Regular | 38-STRONTIUM-90 | — | Archived |
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- February 19, 2019State Compliance achieved367 linked violations
Common questions
Is TEMPE CITY OF required to publish a Consumer Confidence Report?
- Yes. TEMPE CITY OF 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 TEMPE CITY OF’s next Consumer Confidence Report due?
- TEMPE CITY OF’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does TEMPE CITY OF have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for TEMPE CITY OF.
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
HOPPES, CHRISTINA
480-350-8255
TEMPE, AZ 85280