LAKE HAVASU CITY, AZ · Mohave County
LAKE HAVASU CITY OF Water System
Consumer Confidence Report status
LAKE HAVASU 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 LAKE HAVASU 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)
- AZ0408022
- System type
- Community Water System
- Population served
- 54,610
- Service connections
- 29,600
- Ownership
- local government
- Water source
- groundwater (wells)
LAKE HAVASU CITY OF is among the 21 largest community water systems in Arizona, serving 54,610 people from groundwater.
As of August 1, 2026, its federal record holds 28 entries between 1978 and 2024, all of which EPA lists as closed.
Of the 28, 24 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 synthetic organic chemicals, inorganic chemicals, and the Stage 1 Disinfectants and Disinfection Byproducts Rule.
Violation history
Monitoring of Treatment (SWTR-Unfilt/GWR)
—Groundwater Rule
March 1, 2024 – March 31, 2024
ResolvedMonitoring and Reporting (DBP)
—Chlorine
January 1, 2020 – March 31, 2020
ResolvedMonitoring and Reporting (DBP)
—TTHM
June 1, 2019 – August 31, 2019
ResolvedReport Sample Result/Fail Monitor (RTCR)
—Revised Total Coliform Rule
May 1, 2018 – June 18, 2018
ResolvedMaximum Contaminant Level Violation, Average
Health-basedTTHM
October 1, 2014 – December 31, 2014
ResolvedMaximum Contaminant Level Violation, Average
Health-basedTTHM
July 1, 2014 – September 30, 2014
ResolvedMonitoring and Reporting (DBP)
—Chlorine
April 1, 2014 – June 30, 2014
ResolvedMonitoring and Reporting (DBP)
—Chlorine
October 1, 2013 – December 31, 2013
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2012 – July 21, 2012
ResolvedMonitoring, Regular
—Heptachlor epoxide
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—Benzo(a)pyrene
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—Simazine
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—HEXACHLOROBENZENE
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—Toxaphene
January 1, 2008 – December 31, 2010
ResolvedMonitoring and Reporting (DBP)
—Chlorine
April 1, 2004 – June 30, 2004
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2002 – July 11, 2003
ResolvedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
January 1, 1988 – March 31, 1988
ArchivedMonitoring, Regular
—Nitrate
June 24, 1980 – July 23, 1980
ArchivedMonitoring, Regular
—Cadmium
June 24, 1980 – June 23, 1981
ArchivedMonitoring, Regular
—Barium
June 24, 1980 – June 23, 1981
ArchivedMonitoring, Regular
—Arsenic
June 24, 1980 – June 23, 1981
ArchivedMonitoring, Check/Repeat/Confirmation
—Chromium
June 24, 1980 – July 23, 1980
ArchivedMonitoring, Regular
—Selenium
June 24, 1980 – June 23, 1981
ArchivedMonitoring, Regular
—Nitrate
June 24, 1980 – June 23, 1981
ArchivedMonitoring, Regular
—2,4,5-TP
June 24, 1978 – June 23, 1981
ArchivedMonitoring, Regular
—2,4-D
June 24, 1978 – June 23, 1981
ArchivedMonitoring, Regular
—Toxaphene
June 24, 1978 – June 23, 1981
ArchivedMonitoring, Regular
—Methoxychlor
June 24, 1978 – June 23, 1981
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 |
|---|---|---|---|---|
| March 1, 2024 – March 31, 2024 | Monitoring of Treatment (SWTR-Unfilt/GWR) | Groundwater Rule | — | Resolved |
| January 1, 2020 – March 31, 2020 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| June 1, 2019 – August 31, 2019 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| May 1, 2018 – June 18, 2018 | Report Sample Result/Fail Monitor (RTCR) | Revised Total Coliform Rule | — | Resolved |
| October 1, 2014 – December 31, 2014 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | Resolved |
| July 1, 2014 – September 30, 2014 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | Resolved |
| April 1, 2014 – June 30, 2014 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| October 1, 2013 – December 31, 2013 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| July 1, 2012 – July 21, 2012 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| January 1, 2008 – December 31, 2010 | Monitoring, Regular | Heptachlor epoxide | — | Resolved |
| January 1, 2008 – December 31, 2010 | Monitoring, Regular | Benzo(a)pyrene | — | Resolved |
| January 1, 2008 – December 31, 2010 | Monitoring, Regular | Simazine | — | Resolved |
| January 1, 2008 – December 31, 2010 | Monitoring, Regular | HEXACHLOROBENZENE | — | Resolved |
| January 1, 2008 – December 31, 2010 | Monitoring, Regular | Toxaphene | — | Resolved |
| April 1, 2004 – June 30, 2004 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| July 1, 2002 – July 11, 2003 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| January 1, 1988 – March 31, 1988 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Archived |
| June 24, 1980 – July 23, 1980 | Monitoring, Regular | Nitrate | — | Archived |
| June 24, 1980 – June 23, 1981 | Monitoring, Regular | Cadmium | — | Archived |
| June 24, 1980 – June 23, 1981 | Monitoring, Regular | Barium | — | Archived |
| June 24, 1980 – June 23, 1981 | Monitoring, Regular | Arsenic | — | Archived |
| June 24, 1980 – July 23, 1980 | Monitoring, Check/Repeat/Confirmation | Chromium | — | Archived |
| June 24, 1980 – June 23, 1981 | Monitoring, Regular | Selenium | — | Archived |
| June 24, 1980 – June 23, 1981 | Monitoring, Regular | Nitrate | — | Archived |
| June 24, 1978 – June 23, 1981 | Monitoring, Regular | 2,4,5-TP | — | Archived |
| June 24, 1978 – June 23, 1981 | Monitoring, Regular | 2,4-D | — | Archived |
| June 24, 1978 – June 23, 1981 | Monitoring, Regular | Toxaphene | — | Archived |
| June 24, 1978 – June 23, 1981 | Monitoring, Regular | Methoxychlor | — | Archived |
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- March 2, 2026State Compliance achieved31 linked violations
- April 22, 2020State Compliance achieved37 linked violations
Common questions
Is LAKE HAVASU CITY OF required to publish a Consumer Confidence Report?
- Yes. LAKE HAVASU 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 LAKE HAVASU CITY OF’s next Consumer Confidence Report due?
- LAKE HAVASU CITY OF’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does LAKE HAVASU CITY OF have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for LAKE HAVASU 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
KEMPF, DYLAN
928-490-1371
LAKE HAVASU CITY, AZ 86404