SUN LAKES, AZ · Pinal County
LAGO DEL ORO WATER COMPANY 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 Arizona’s official records. Always confirm current status with Arizona before making decisions based on this information.
System facts
- System ID (PWSID)
- AZ0411117
- System type
- Community Water System
- Population served
- 18,132
- Service connections
- 6,915
- Ownership
- privately owned
- Water source
- groundwater (wells)
Violation history
Monitoring, Regular
—Radium-226
July 1, 2025 – September 30, 2025
ResolvedMonitoring, Regular
—Combined Radium (-226 and -228)
July 1, 2025 – September 30, 2025
ResolvedMonitoring, Regular
—Combined Uranium
July 1, 2025 – September 30, 2025
ResolvedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
July 1, 2025 – September 30, 2025
ResolvedMonitoring and Reporting (DBP)
—Chlorine
January 1, 2022 – March 31, 2022
ResolvedReport Sample Result/Fail Monitor (RTCR)
—Revised Total Coliform Rule
May 1, 2021 – June 29, 2021
ResolvedMonitoring and Reporting (DBP)
—Chlorine
October 1, 2019 – December 31, 2019
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2016 – July 13, 2016
ResolvedMonitoring, Regular
—CHLOROBENZENE
January 1, 2016 – December 31, 2016
ResolvedMonitoring, Regular
—Toluene
January 1, 2016 – December 31, 2016
ResolvedMonitoring, Regular
—Tetrachloroethylene
January 1, 2016 – December 31, 2016
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 2016 – December 31, 2016
ResolvedMonitoring, Regular
—Trichloroethylene
January 1, 2016 – December 31, 2016
ResolvedMonitoring, Regular
—1,2-Dichloropropane
January 1, 2016 – December 31, 2016
ResolvedMonitoring, Regular
—Carbon tetrachloride
January 1, 2016 – December 31, 2016
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
January 1, 2016 – December 31, 2016
ResolvedMonitoring, Regular
—1,2-Dichloroethane
January 1, 2016 – December 31, 2016
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 2016 – December 31, 2016
ResolvedMonitoring, Regular
—Vinyl chloride
January 1, 2016 – December 31, 2016
ResolvedMonitoring, Regular
—p-Dichlorobenzene
January 1, 2016 – December 31, 2016
ResolvedMonitoring, Regular
—o-Dichlorobenzene
January 1, 2016 – December 31, 2016
ResolvedMonitoring, Regular
—DICHLOROMETHANE
January 1, 2016 – December 31, 2016
ResolvedMonitoring, Regular
—Xylenes, Total
January 1, 2016 – December 31, 2016
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
January 1, 2016 – December 31, 2016
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
January 1, 2016 – December 31, 2016
ResolvedMonitoring, Regular
—DICHLOROMETHANE
January 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
January 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
January 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—2,3,7,8-TCDD
January 1, 2015 – December 31, 2017
ResolvedMonitoring, Regular
—Styrene
January 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—Ethylbenzene
January 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—Toluene
January 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—Benzene
January 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—CHLOROBENZENE
January 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—Tetrachloroethylene
January 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—2,3,7,8-TCDD
January 1, 2015 – December 31, 2017
ResolvedMonitoring, Regular
—2,3,7,8-TCDD
January 1, 2015 – December 31, 2017
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—Nitrate
January 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—Trichloroethylene
January 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—1,2-Dichloropropane
January 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—Carbon tetrachloride
January 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
January 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—1,2-Dichloroethane
January 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
January 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—Xylenes, Total
January 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—Vinyl chloride
January 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—p-Dichlorobenzene
January 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—o-Dichlorobenzene
January 1, 2015 – December 31, 2015
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2014 – July 8, 2014
ResolvedMonitoring, Regular
—Ethylbenzene
January 1, 2014 – December 31, 2014
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
January 1, 2014 – December 31, 2014
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
January 1, 2014 – December 31, 2014
ResolvedMonitoring, Regular
—Xylenes, Total
January 1, 2014 – December 31, 2014
ResolvedMonitoring, Regular
—DICHLOROMETHANE
January 1, 2014 – December 31, 2014
ResolvedMonitoring, Regular
—o-Dichlorobenzene
January 1, 2014 – December 31, 2014
ResolvedMonitoring, Regular
—p-Dichlorobenzene
January 1, 2014 – December 31, 2014
ResolvedMonitoring, Regular
—Vinyl chloride
January 1, 2014 – December 31, 2014
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 2014 – December 31, 2014
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
January 1, 2014 – December 31, 2014
ResolvedMonitoring, Regular
—1,2-Dichloroethane
January 1, 2014 – December 31, 2014
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
January 1, 2014 – December 31, 2014
ResolvedMonitoring, Regular
—Carbon tetrachloride
January 1, 2014 – December 31, 2014
ResolvedMonitoring, Regular
—1,2-Dichloropropane
January 1, 2014 – December 31, 2014
ResolvedMonitoring, Regular
—Trichloroethylene
January 1, 2014 – December 31, 2014
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 2014 – December 31, 2014
ResolvedMonitoring, Regular
—Tetrachloroethylene
January 1, 2014 – December 31, 2014
ResolvedMonitoring, Regular
—CHLOROBENZENE
January 1, 2014 – December 31, 2014
ResolvedMonitoring, Regular
—Benzene
January 1, 2014 – December 31, 2014
ResolvedMonitoring, Regular
—Toluene
January 1, 2014 – December 31, 2014
ResolvedMonitoring, Regular
—Styrene
January 1, 2014 – December 31, 2014
ResolvedMonitoring, Regular
—Styrene
January 1, 2013 – December 31, 2013
ResolvedMonitoring, Regular
—Ethylbenzene
January 1, 2013 – December 31, 2013
ResolvedMonitoring, Regular
—Toluene
January 1, 2013 – December 31, 2013
ResolvedMonitoring, Regular
—Benzene
January 1, 2013 – December 31, 2013
ResolvedMonitoring, Regular
—CHLOROBENZENE
January 1, 2013 – December 31, 2013
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 2013 – December 31, 2013
ResolvedMonitoring, Regular
—1,2-Dichloropropane
January 1, 2013 – December 31, 2013
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
January 1, 2013 – December 31, 2013
ResolvedMonitoring, Regular
—Vinyl chloride
January 1, 2013 – December 31, 2013
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
January 1, 2013 – December 31, 2013
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
January 1, 2013 – December 31, 2013
ResolvedMonitoring and Reporting (DBP)
—Chlorine
January 1, 2013 – March 31, 2013
ResolvedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
January 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—Ethylbenzene
January 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—Radium-228
January 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—Combined Radium (-226 and -228)
January 1, 2012 – December 31, 2012
ResolvedConsumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
October 1, 2011 – December 16, 2013
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2011 – December 16, 2013
ResolvedMonitoring, Regular
—Nitrate
January 1, 2011 – December 31, 2011
ResolvedConsumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
October 1, 2010 – December 16, 2013
ResolvedMonitoring, Regular
—Radium-228
January 1, 2009 – December 31, 2014
ResolvedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
January 1, 2009 – December 31, 2014
ResolvedMonitoring, Regular
—Combined Uranium
January 1, 2009 – December 31, 2014
ResolvedMonitoring, Regular
—Combined Radium (-226 and -228)
January 1, 2009 – December 31, 2014
ResolvedMonitoring, Regular
—Radium-226
January 1, 2009 – December 31, 2014
ResolvedMonitoring, Regular
—Radium-228
January 1, 2009 – December 31, 2014
ResolvedMonitoring, Regular
—Radium-226
January 1, 2009 – December 31, 2014
ResolvedMonitoring, Regular
—Combined Radium (-226 and -228)
January 1, 2009 – December 31, 2014
ResolvedMonitoring, Regular
—Combined Uranium
January 1, 2009 – December 31, 2014
ResolvedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
January 1, 2009 – December 31, 2014
ResolvedMonitoring, Regular
—Combined Radium (-226 and -228)
January 1, 2009 – December 31, 2014
ResolvedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
January 1, 2009 – December 31, 2014
ResolvedMonitoring, Regular
—Radium-228
January 1, 2009 – December 31, 2014
ResolvedMonitoring, Regular
—Radium-226
January 1, 2009 – December 31, 2014
ResolvedMonitoring, Regular
—Combined Radium (-226 and -228)
January 1, 2009 – December 31, 2014
ResolvedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
January 1, 2009 – December 31, 2014
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
January 1, 2009 – December 31, 2009
ResolvedMonitoring, Regular
—Radium-226
January 1, 2009 – December 31, 2014
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2007 – August 8, 2007
ResolvedMonitoring, Regular
—Nitrate
January 1, 2007 – December 31, 2007
ResolvedMonitoring, Regular
—Nitrate
January 1, 2007 – December 31, 2007
ResolvedMonitoring, Regular
—Nitrate
January 1, 2007 – December 31, 2007
ResolvedMonitoring, Regular
—Nitrate
January 1, 2007 – December 31, 2007
ResolvedMonitoring, Regular
—Nitrate
January 1, 2007 – December 31, 2007
ResolvedMonitoring and Reporting (DBP)
—Chlorine
October 1, 2005 – December 31, 2005
ResolvedMonitoring and Reporting (DBP)
—Chlorine
January 1, 2004 – March 31, 2004
ResolvedMonitoring, Regular
—Combined Radium (-226 and -228)
January 1, 2004 – December 31, 2007
ResolvedMonitoring, Regular
—Combined Uranium
January 1, 2004 – December 31, 2007
ResolvedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
January 1, 2004 – December 31, 2007
ResolvedMonitoring, Regular
—Radium-228
January 1, 2004 – December 31, 2007
ResolvedMonitoring, Regular
—Combined Radium (-226 and -228)
January 1, 2004 – December 31, 2007
ResolvedMonitoring, Regular
—Combined Uranium
January 1, 2004 – December 31, 2007
ResolvedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
January 1, 2004 – December 31, 2007
ResolvedMonitoring, Regular
—Radium-226
January 1, 2004 – December 31, 2007
ResolvedMonitoring, Regular
—Ethylbenzene
January 1, 2002 – December 31, 2002
ResolvedMonitoring, Regular
—o-Dichlorobenzene
January 1, 2001 – December 31, 2001
ResolvedMonitoring, Regular
—1,2-Dichloroethane
January 1, 2001 – December 31, 2001
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
January 1, 2001 – December 31, 2001
ResolvedMonitoring, Regular
—CHLOROBENZENE
January 1, 2001 – December 31, 2001
ResolvedMonitoring, Regular
—Toluene
January 1, 2001 – December 31, 2001
ResolvedMonitoring, Regular
—Trichloroethylene
January 1, 2001 – December 31, 2001
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| July 1, 2025 – September 30, 2025 | Monitoring, Regular | Radium-226 | — | Resolved |
| July 1, 2025 – September 30, 2025 | Monitoring, Regular | Combined Radium (-226 and -228) | — | Resolved |
| July 1, 2025 – September 30, 2025 | Monitoring, Regular | Combined Uranium | — | Resolved |
| July 1, 2025 – September 30, 2025 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Resolved |
| January 1, 2022 – March 31, 2022 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| May 1, 2021 – June 29, 2021 | Report Sample Result/Fail Monitor (RTCR) | Revised Total Coliform Rule | — | Resolved |
| October 1, 2019 – December 31, 2019 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| July 1, 2016 – July 13, 2016 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| January 1, 2016 – December 31, 2016 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| January 1, 2016 – December 31, 2016 | Monitoring, Regular | Toluene | — | Resolved |
| January 1, 2016 – December 31, 2016 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| January 1, 2016 – December 31, 2016 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| January 1, 2016 – December 31, 2016 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| January 1, 2016 – December 31, 2016 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| January 1, 2016 – December 31, 2016 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| January 1, 2016 – December 31, 2016 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| January 1, 2016 – December 31, 2016 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| January 1, 2016 – December 31, 2016 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| January 1, 2016 – December 31, 2016 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| January 1, 2016 – December 31, 2016 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| January 1, 2016 – December 31, 2016 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| January 1, 2016 – December 31, 2016 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| January 1, 2016 – December 31, 2016 | Monitoring, Regular | Xylenes, Total | — | Resolved |
| January 1, 2016 – December 31, 2016 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| January 1, 2016 – December 31, 2016 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| January 1, 2015 – December 31, 2015 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| January 1, 2015 – December 31, 2015 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| January 1, 2015 – December 31, 2015 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| January 1, 2015 – December 31, 2017 | Monitoring, Regular | 2,3,7,8-TCDD | — | Resolved |
| January 1, 2015 – December 31, 2015 | Monitoring, Regular | Styrene | — | Resolved |
| January 1, 2015 – December 31, 2015 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| January 1, 2015 – December 31, 2015 | Monitoring, Regular | Toluene | — | Resolved |
| January 1, 2015 – December 31, 2015 | Monitoring, Regular | Benzene | — | Resolved |
| January 1, 2015 – December 31, 2015 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| January 1, 2015 – December 31, 2015 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| January 1, 2015 – December 31, 2017 | Monitoring, Regular | 2,3,7,8-TCDD | — | Resolved |
| January 1, 2015 – December 31, 2017 | Monitoring, Regular | 2,3,7,8-TCDD | — | Resolved |
| January 1, 2015 – December 31, 2015 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| January 1, 2015 – December 31, 2015 | Monitoring, Regular | Nitrate | — | Resolved |
| January 1, 2015 – December 31, 2015 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| January 1, 2015 – December 31, 2015 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| January 1, 2015 – December 31, 2015 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| January 1, 2015 – December 31, 2015 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| January 1, 2015 – December 31, 2015 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| January 1, 2015 – December 31, 2015 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| January 1, 2015 – December 31, 2015 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| January 1, 2015 – December 31, 2015 | Monitoring, Regular | Xylenes, Total | — | Resolved |
| January 1, 2015 – December 31, 2015 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| January 1, 2015 – December 31, 2015 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| January 1, 2015 – December 31, 2015 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| July 1, 2014 – July 8, 2014 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| January 1, 2014 – December 31, 2014 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| January 1, 2014 – December 31, 2014 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| January 1, 2014 – December 31, 2014 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| January 1, 2014 – December 31, 2014 | Monitoring, Regular | Xylenes, Total | — | Resolved |
| January 1, 2014 – December 31, 2014 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| January 1, 2014 – December 31, 2014 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| January 1, 2014 – December 31, 2014 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| January 1, 2014 – December 31, 2014 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| January 1, 2014 – December 31, 2014 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| January 1, 2014 – December 31, 2014 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| January 1, 2014 – December 31, 2014 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| January 1, 2014 – December 31, 2014 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| January 1, 2014 – December 31, 2014 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| January 1, 2014 – December 31, 2014 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| January 1, 2014 – December 31, 2014 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| January 1, 2014 – December 31, 2014 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| January 1, 2014 – December 31, 2014 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| January 1, 2014 – December 31, 2014 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| January 1, 2014 – December 31, 2014 | Monitoring, Regular | Benzene | — | Resolved |
| January 1, 2014 – December 31, 2014 | Monitoring, Regular | Toluene | — | Resolved |
| January 1, 2014 – December 31, 2014 | Monitoring, Regular | Styrene | — | Resolved |
| January 1, 2013 – December 31, 2013 | Monitoring, Regular | Styrene | — | Resolved |
| January 1, 2013 – December 31, 2013 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| January 1, 2013 – December 31, 2013 | Monitoring, Regular | Toluene | — | Resolved |
| January 1, 2013 – December 31, 2013 | Monitoring, Regular | Benzene | — | Resolved |
| January 1, 2013 – December 31, 2013 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| January 1, 2013 – December 31, 2013 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| January 1, 2013 – December 31, 2013 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| January 1, 2013 – December 31, 2013 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| January 1, 2013 – December 31, 2013 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| January 1, 2013 – December 31, 2013 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| January 1, 2013 – December 31, 2013 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| January 1, 2013 – March 31, 2013 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| January 1, 2012 – December 31, 2012 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Resolved |
| January 1, 2012 – December 31, 2012 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| January 1, 2012 – December 31, 2012 | Monitoring, Regular | Radium-228 | — | Resolved |
| January 1, 2012 – December 31, 2012 | Monitoring, Regular | Combined Radium (-226 and -228) | — | Resolved |
| October 1, 2011 – December 16, 2013 | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | — | Resolved |
| July 1, 2011 – December 16, 2013 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| January 1, 2011 – December 31, 2011 | Monitoring, Regular | Nitrate | — | Resolved |
| October 1, 2010 – December 16, 2013 | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | — | Resolved |
| January 1, 2009 – December 31, 2014 | Monitoring, Regular | Radium-228 | — | Resolved |
| January 1, 2009 – December 31, 2014 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Resolved |
| January 1, 2009 – December 31, 2014 | Monitoring, Regular | Combined Uranium | — | Resolved |
| January 1, 2009 – December 31, 2014 | Monitoring, Regular | Combined Radium (-226 and -228) | — | Resolved |
| January 1, 2009 – December 31, 2014 | Monitoring, Regular | Radium-226 | — | Resolved |
| January 1, 2009 – December 31, 2014 | Monitoring, Regular | Radium-228 | — | Resolved |
| January 1, 2009 – December 31, 2014 | Monitoring, Regular | Radium-226 | — | Resolved |
| January 1, 2009 – December 31, 2014 | Monitoring, Regular | Combined Radium (-226 and -228) | — | Resolved |
| January 1, 2009 – December 31, 2014 | Monitoring, Regular | Combined Uranium | — | Resolved |
| January 1, 2009 – December 31, 2014 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Resolved |
| January 1, 2009 – December 31, 2014 | Monitoring, Regular | Combined Radium (-226 and -228) | — | Resolved |
| January 1, 2009 – December 31, 2014 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Resolved |
| January 1, 2009 – December 31, 2014 | Monitoring, Regular | Radium-228 | — | Resolved |
| January 1, 2009 – December 31, 2014 | Monitoring, Regular | Radium-226 | — | Resolved |
| January 1, 2009 – December 31, 2014 | Monitoring, Regular | Combined Radium (-226 and -228) | — | Resolved |
| January 1, 2009 – December 31, 2014 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Resolved |
| January 1, 2009 – December 31, 2009 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| January 1, 2009 – December 31, 2014 | Monitoring, Regular | Radium-226 | — | Resolved |
| July 1, 2007 – August 8, 2007 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| January 1, 2007 – December 31, 2007 | Monitoring, Regular | Nitrate | — | Resolved |
| January 1, 2007 – December 31, 2007 | Monitoring, Regular | Nitrate | — | Resolved |
| January 1, 2007 – December 31, 2007 | Monitoring, Regular | Nitrate | — | Resolved |
| January 1, 2007 – December 31, 2007 | Monitoring, Regular | Nitrate | — | Resolved |
| January 1, 2007 – December 31, 2007 | Monitoring, Regular | Nitrate | — | Resolved |
| October 1, 2005 – December 31, 2005 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| January 1, 2004 – March 31, 2004 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| January 1, 2004 – December 31, 2007 | Monitoring, Regular | Combined Radium (-226 and -228) | — | Resolved |
| January 1, 2004 – December 31, 2007 | Monitoring, Regular | Combined Uranium | — | Resolved |
| January 1, 2004 – December 31, 2007 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Resolved |
| January 1, 2004 – December 31, 2007 | Monitoring, Regular | Radium-228 | — | Resolved |
| January 1, 2004 – December 31, 2007 | Monitoring, Regular | Combined Radium (-226 and -228) | — | Resolved |
| January 1, 2004 – December 31, 2007 | Monitoring, Regular | Combined Uranium | — | Resolved |
| January 1, 2004 – December 31, 2007 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Resolved |
| January 1, 2004 – December 31, 2007 | Monitoring, Regular | Radium-226 | — | Resolved |
| January 1, 2002 – December 31, 2002 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| January 1, 2001 – December 31, 2001 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| January 1, 2001 – December 31, 2001 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| January 1, 2001 – December 31, 2001 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| January 1, 2001 – December 31, 2001 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| January 1, 2001 – December 31, 2001 | Monitoring, Regular | Toluene | — | Resolved |
| January 1, 2001 – December 31, 2001 | Monitoring, Regular | Trichloroethylene | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- October 31, 2025State Violation/Reminder Notice5 linked violations
- October 31, 2025State Compliance achieved5 linked violations
- May 20, 2022State Violation/Reminder Notice2 linked violations
- June 29, 2021State Violation/Reminder Notice1 linked violation
- February 10, 2020State Violation/Reminder Notice1 linked violation
- January 31, 2020State Compliance achieved1 linked violation
- February 12, 2018State Violation/Reminder Notice2 linked violations
- February 12, 2018State Violation/Reminder Notice2 linked violations
- February 12, 2018State Violation/Reminder Notice3 linked violations
- February 12, 2018State Compliance achieved9 linked violations
- February 12, 2018State Violation/Reminder Notice1 linked violation
- February 12, 2018State Violation/Reminder Notice1 linked violation
- February 12, 2018State Violation/Reminder Notice1 linked violation
- February 12, 2018State Violation/Reminder Notice2 linked violations
- February 21, 2017State Compliance achieved78 linked violations
- February 21, 2017State Compliance achieved42 linked violations
- February 8, 2017State Violation/Reminder Notice25 linked violations
- February 6, 2017State Violation/Reminder Notice4 linked violations
- June 20, 2016State Violation/Reminder Notice4 linked violations
- June 20, 2016State Violation/Reminder Notice3 linked violations
- June 20, 2016State Violation/Reminder Notice3 linked violations
- June 20, 2016State Violation/Reminder Notice3 linked violations
- June 20, 2016State Violation/Reminder Notice4 linked violations
- March 26, 2014State Violation/Reminder Notice1 linked violation
- March 26, 2014State Violation/Reminder Notice3 linked violations
- December 16, 2013State Compliance achieved3 linked violations
- December 16, 2013State Compliance achieved3 linked violations
- September 17, 2013State Compliance achieved6 linked violations
- May 1, 2013State Compliance achieved23 linked violations
- April 16, 2013State Violation/Reminder Notice2 linked violations
- April 16, 2013State Violation/Reminder Notice3 linked violations
- April 16, 2013State Violation/Reminder Notice3 linked violations
- April 16, 2013State Violation/Reminder Notice2 linked violations
- April 16, 2013State Violation/Reminder Notice23 linked violations
- April 16, 2013State Violation/Reminder Notice1 linked violation
- April 16, 2013State Violation/Reminder Notice3 linked violations
- April 16, 2013State Violation/Reminder Notice1 linked violation
- April 16, 2013State Violation/Reminder Notice4 linked violations
- December 11, 2012State Compliance achieved3 linked violations
- December 5, 2012State Compliance achieved6 linked violations
- October 31, 2012State Compliance achieved4 linked violations
- March 11, 2011State Violation/Reminder Notice2 linked violations
- January 6, 2009State no longer subject to Rule15 linked violations
- August 13, 2008State Compliance achieved2 linked violations
- March 12, 2008State Compliance achieved13 linked violations
- February 1, 2008State Violation/Reminder Notice16 linked violations
- December 6, 2006State Compliance achieved1 linked violation
- February 8, 2006State Compliance achieved1 linked violation
- August 10, 2005State Compliance achieved1 linked violation
- June 3, 2005State Compliance achieved1 linked violation
- August 6, 2004State Compliance achieved1 linked violation
- June 2, 2003State Compliance achieved15 linked violations
- June 2, 2003State Compliance achieved16 linked violations
- June 2, 2003State Compliance achieved21 linked violations
- April 9, 2003State Compliance achieved21 linked violations
- March 5, 2003State Compliance achieved182 linked violations
Contact
LAGO DEL ORO WATER CO
520-825-3423
SUN LAKES, AZ 85248-7463