WELLTON, AZ · Yuma County

WELLTON MOHAWK IRRIGATION Water System

Inactive system

This water system is marked inactive in EPA’s federal records as of February 9, 2017. It is no longer an operating public water system under this PWSID, and no compliance deadlines — including the 2027 Consumer Confidence Report rule — apply to it.

If you are a resident looking for your current water provider, see water systems in Yuma County, AZ.

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): AZ0414390
System type: Community Water System
Population served: 57
Service connections: 18
Ownership: public/private mix
Water source: surface water (rivers, lakes, or reservoirs)

Violation history

Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2016 – February 9, 2017
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
January 1, 2015 – January 31, 2015
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2010 – December 31, 2010
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2008 – December 31, 2008
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2007 – March 31, 2007
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2007 – December 31, 2007
Resolved
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
2,4,5-TP
August 31, 1990 – August 30, 1993
Archived
Monitoring, Regular
—
2,4-D
August 31, 1990 – August 30, 1993
Archived
Monitoring, Regular
—
Toxaphene
August 31, 1990 – August 30, 1993
Archived
Monitoring, Regular
—
Methoxychlor
August 31, 1990 – August 30, 1993
Archived
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
October 1, 1987 – December 31, 1987
Archived
Monitoring, Regular
—
Toxaphene
September 1, 1987 – August 30, 1990
Archived
Monitoring, Regular
—
Methoxychlor
September 1, 1987 – August 30, 1990
Archived
Monitoring, Regular
—
BHC-GAMMA
September 1, 1987 – August 30, 1990
Archived
Monitoring, Regular
—
Endrin
September 1, 1987 – August 30, 1990
Archived
Monitoring, Regular
—
2,4,5-TP
September 1, 1987 – August 30, 1990
Archived
Monitoring, Regular
—
2,4-D
September 1, 1987 – August 30, 1990
Archived
Monitoring, Regular
—
Methoxychlor
July 1, 1987 – September 30, 1987
Archived
Monitoring, Regular
—
Endrin
July 1, 1987 – September 30, 1987
Archived
Monitoring, Regular
—
BHC-GAMMA
July 1, 1987 – September 30, 1987
Archived
Monitoring, Regular
—
Toxaphene
July 1, 1987 – September 30, 1987
Archived
Monitoring, Regular
—
2,4-D
July 1, 1987 – September 30, 1987
Archived
Monitoring, Regular
—
2,4,5-TP
July 1, 1987 – September 30, 1987
Archived
Monitoring, Regular
—
Mercury
June 25, 1981 – June 24, 1982
Archived
Monitoring, Regular
—
Selenium
June 25, 1981 – June 24, 1982
Archived
Monitoring, Regular
—
Nitrate
June 25, 1981 – June 24, 1982
Archived
Monitoring, Regular
—
Cadmium
June 25, 1981 – June 24, 1982
Archived
Monitoring, Regular
—
Chromium
June 25, 1981 – June 24, 1982
Archived
Monitoring, Regular
—
Fluoride
June 25, 1981 – June 24, 1982
Archived
Monitoring, Regular
—
Mercury
June 24, 1980 – June 23, 1981
Archived
Monitoring, Regular
—
Arsenic
June 24, 1980 – June 23, 1981
Archived
Monitoring, Regular
—
Chromium
June 24, 1980 – June 23, 1981
Archived
Monitoring, Regular
—
Cadmium
June 24, 1980 – June 23, 1981
Archived
Monitoring, Regular
—
Barium
June 24, 1980 – June 23, 1981
Archived
Monitoring, Regular
—
Selenium
June 24, 1980 – June 23, 1981
Archived
Monitoring, Regular
—
Nitrate
June 24, 1980 – June 23, 1981
Archived
Monitoring, Regular
—
BHC-GAMMA
June 24, 1978 – June 23, 1981
Archived
Monitoring, Regular
—
Methoxychlor
June 24, 1978 – June 23, 1981
Archived
Monitoring, Regular
—
2,4,5-TP
June 24, 1978 – June 23, 1981
Archived
Monitoring, Regular
—
Endrin
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
July 1, 2016 – February 9, 2017	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
January 1, 2015 – January 31, 2015	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 2010 – December 31, 2010	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
January 1, 2008 – December 31, 2008	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
January 1, 2007 – March 31, 2007	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
January 1, 2007 – December 31, 2007	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
January 1, 2007 – December 31, 2007	Monitoring and Reporting (DBP)	TTHM	—	Resolved
August 31, 1990 – August 30, 1993	Monitoring, Regular	2,4,5-TP	—	Archived
August 31, 1990 – August 30, 1993	Monitoring, Regular	2,4-D	—	Archived
August 31, 1990 – August 30, 1993	Monitoring, Regular	Toxaphene	—	Archived
August 31, 1990 – August 30, 1993	Monitoring, Regular	Methoxychlor	—	Archived
October 1, 1987 – December 31, 1987	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived
September 1, 1987 – August 30, 1990	Monitoring, Regular	Toxaphene	—	Archived
September 1, 1987 – August 30, 1990	Monitoring, Regular	Methoxychlor	—	Archived
September 1, 1987 – August 30, 1990	Monitoring, Regular	BHC-GAMMA	—	Archived
September 1, 1987 – August 30, 1990	Monitoring, Regular	Endrin	—	Archived
September 1, 1987 – August 30, 1990	Monitoring, Regular	2,4,5-TP	—	Archived
September 1, 1987 – August 30, 1990	Monitoring, Regular	2,4-D	—	Archived
July 1, 1987 – September 30, 1987	Monitoring, Regular	Methoxychlor	—	Archived
July 1, 1987 – September 30, 1987	Monitoring, Regular	Endrin	—	Archived
July 1, 1987 – September 30, 1987	Monitoring, Regular	BHC-GAMMA	—	Archived
July 1, 1987 – September 30, 1987	Monitoring, Regular	Toxaphene	—	Archived
July 1, 1987 – September 30, 1987	Monitoring, Regular	2,4-D	—	Archived
July 1, 1987 – September 30, 1987	Monitoring, Regular	2,4,5-TP	—	Archived
June 25, 1981 – June 24, 1982	Monitoring, Regular	Mercury	—	Archived
June 25, 1981 – June 24, 1982	Monitoring, Regular	Selenium	—	Archived
June 25, 1981 – June 24, 1982	Monitoring, Regular	Nitrate	—	Archived
June 25, 1981 – June 24, 1982	Monitoring, Regular	Cadmium	—	Archived
June 25, 1981 – June 24, 1982	Monitoring, Regular	Chromium	—	Archived
June 25, 1981 – June 24, 1982	Monitoring, Regular	Fluoride	—	Archived
June 24, 1980 – June 23, 1981	Monitoring, Regular	Mercury	—	Archived
June 24, 1980 – June 23, 1981	Monitoring, Regular	Arsenic	—	Archived
June 24, 1980 – June 23, 1981	Monitoring, Regular	Chromium	—	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	Selenium	—	Archived
June 24, 1980 – June 23, 1981	Monitoring, Regular	Nitrate	—	Archived
June 24, 1978 – June 23, 1981	Monitoring, Regular	BHC-GAMMA	—	Archived
June 24, 1978 – June 23, 1981	Monitoring, Regular	Methoxychlor	—	Archived
June 24, 1978 – June 23, 1981	Monitoring, Regular	2,4,5-TP	—	Archived
June 24, 1978 – June 23, 1981	Monitoring, Regular	Endrin	—	Archived

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

May 22, 2017State Violation/Reminder Notice36 linked violations
February 26, 2010State Violation/Reminder Notice8 linked violations

Last known contact on file (system is inactive)

WELLTON MOHAWK IRRIGATION DIST

928-785-3351

WELLTON, AZ 85356