RANCHO DEL CONEJO COMM WATER COOP

Arizona — Community Water System — PWSID: AZ0410142

System Information

PWSID	AZ0410142
System Name	RANCHO DEL CONEJO COMM WATER COOP
System Type	Community Water System
Water Source	Ground Water
Activity Status	Active
Owner Type	Private
EPA Region	09
Serves School	No
Wholesaler	No
First Reported	Oct 5, 1979
Last Reported	Nov 17, 2025

Location & Contact

State	Arizona
City	TUCSON
ZIP Code	85743
Address	13130 W Rudasill Rd
Organization	MARKHAM, JERI
Phone	520-682-8335

Population & Service

Population Served	900
Service Connections	335

Drinking Water Violations (258)

This water system has 258 violations recorded in the EPA SDWIS database.

Begin Date	End Date	Contaminant	Category	Health-Based	Major	Measured	Federal MCL	State MCL	Status	Return to Compliance	Rule
Nov 3, 2017	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Apr 11, 2018	Lead and Copper Rule
Aug 17, 2017	—	E. COLI	MR	No	Yes	—	—	—	Resolved	Sep 13, 2018	Ground Water Rule
Aug 17, 2017	—	E. COLI	MR	No	Yes	—	—	—	Resolved	Sep 13, 2018	Ground Water Rule
Aug 17, 2017	—	E. COLI	MR	No	Yes	—	—	—	Resolved	Sep 13, 2018	Ground Water Rule
Aug 17, 2017	—	E. COLI	MR	No	Yes	—	—	—	Resolved	Sep 13, 2018	Ground Water Rule
Aug 3, 2017	—	Revised Total Coliform Rule	TT	Yes	No	—	—	—	Resolved	Nov 15, 2017	Revised Total Coliform Rule
Aug 3, 2017	—	Revised Total Coliform Rule	TT	Yes	No	—	—	—	Resolved	Nov 15, 2017	Revised Total Coliform Rule
Aug 3, 2017	—	Revised Total Coliform Rule	TT	Yes	No	—	—	—	Resolved	Nov 15, 2017	Revised Total Coliform Rule
Aug 3, 2017	—	Revised Total Coliform Rule	TT	Yes	No	—	—	—	Resolved	Nov 15, 2017	Revised Total Coliform Rule
Jul 1, 2017	Sep 30, 2017	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Sep 30, 2017	Arsenic Rule
Jul 1, 2017	Sep 30, 2017	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Sep 30, 2017	Arsenic Rule
Jul 1, 2017	Sep 30, 2017	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Sep 30, 2017	Arsenic Rule
Jul 1, 2017	Sep 30, 2017	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Sep 30, 2017	Arsenic Rule
Aug 8, 2016	—	Revised Total Coliform Rule	RPT	No	No	—	—	—	Resolved	Mar 22, 2017	Revised Total Coliform Rule
Aug 8, 2016	—	Revised Total Coliform Rule	TT	Yes	No	—	—	—	Resolved	Mar 22, 2017	Revised Total Coliform Rule
Aug 8, 2016	—	Revised Total Coliform Rule	TT	Yes	No	—	—	—	Resolved	Mar 22, 2017	Revised Total Coliform Rule
Aug 8, 2016	—	Revised Total Coliform Rule	TT	Yes	No	—	—	—	Resolved	Mar 22, 2017	Revised Total Coliform Rule
Aug 1, 2016	Aug 31, 2016	Revised Total Coliform Rule	MON	No	Yes	—	—	—	Resolved	Aug 31, 2016	Revised Total Coliform Rule
Aug 1, 2016	Aug 31, 2016	Revised Total Coliform Rule	MON	No	Yes	—	—	—	Resolved	Aug 31, 2016	Revised Total Coliform Rule
Jul 21, 2016	—	E. COLI	MR	No	Yes	—	—	—	Resolved	Sep 13, 2018	Ground Water Rule
Jul 21, 2016	—	E. COLI	MR	No	Yes	—	—	—	Resolved	Sep 13, 2018	Ground Water Rule
Jul 1, 2016	Sep 30, 2016	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Sep 30, 2016	Arsenic Rule
Jul 1, 2016	Sep 30, 2016	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Sep 30, 2016	Arsenic Rule
Jul 1, 2016	Sep 30, 2016	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Sep 30, 2016	Arsenic Rule
Apr 1, 2016	Jun 30, 2016	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Jun 30, 2016	Arsenic Rule
Apr 1, 2016	Jun 30, 2016	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Jun 30, 2016	Arsenic Rule
Apr 1, 2016	Jun 30, 2016	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Jun 30, 2016	Arsenic Rule
Apr 1, 2016	Jun 30, 2016	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Jun 30, 2016	Arsenic Rule
Apr 1, 2016	Jun 30, 2016	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Jun 30, 2016	Arsenic Rule
Mar 1, 2016	Mar 31, 2016	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Mar 31, 2016	Total Coliform Rule
Mar 1, 2016	Mar 31, 2016	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Mar 31, 2016	Total Coliform Rule
Feb 1, 2016	Feb 29, 2016	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Feb 29, 2016	Total Coliform Rule
Feb 1, 2016	Feb 29, 2016	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Feb 29, 2016	Total Coliform Rule
Jan 1, 2016	Mar 31, 2016	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Mar 31, 2016	Arsenic Rule
Jan 1, 2016	Mar 31, 2016	Arsenic	MCL	Yes	No	.011 MG/L	0.010 mg/L	.01	Resolved	Mar 31, 2016	Arsenic Rule
Jan 1, 2016	Mar 31, 2016	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Mar 31, 2016	Arsenic Rule
Jan 1, 2016	Mar 31, 2016	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Mar 31, 2016	Arsenic Rule
Dec 1, 2015	Dec 31, 2015	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Dec 31, 2015	Total Coliform Rule
Dec 1, 2015	Dec 31, 2015	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Dec 31, 2015	Total Coliform Rule
Oct 1, 2015	Dec 31, 2015	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Dec 31, 2015	Arsenic Rule
Oct 1, 2015	Dec 31, 2015	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Dec 31, 2015	Arsenic Rule
Oct 1, 2015	Dec 31, 2015	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Dec 31, 2015	Arsenic Rule
Oct 1, 2015	Dec 31, 2015	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Dec 31, 2015	Arsenic Rule
Jul 1, 2015	Sep 30, 2015	Arsenic	MCL	Yes	No	.011 MG/L	0.010 mg/L	.01	Resolved	Sep 30, 2015	Arsenic Rule
Jul 1, 2015	Sep 30, 2015	Arsenic	MCL	Yes	No	.011 MG/L	0.010 mg/L	.01	Resolved	Sep 30, 2015	Arsenic Rule
Jul 1, 2015	Sep 30, 2015	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Sep 30, 2015	Arsenic Rule
Jul 1, 2015	Sep 30, 2015	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Sep 30, 2015	Arsenic Rule
Jul 1, 2015	Sep 30, 2015	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Sep 30, 2015	Arsenic Rule
Jul 1, 2015	Jul 31, 2015	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Jul 31, 2015	Total Coliform Rule
Jul 1, 2015	Jul 31, 2015	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Jul 31, 2015	Total Coliform Rule

About This Water System

Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.

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