TUCSON, AZ · Pima County
RANCHO DEL CONEJO COMM WATER COOP Water System
Consumer Confidence Report status
RANCHO DEL CONEJO COMM WATER COOP 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 RANCHO DEL CONEJO COMM WATER COOP.
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)
- AZ0410142
- System type
- Community Water System
- Population served
- 900
- Service connections
- 335
- Ownership
- privately owned
- Water source
- groundwater (wells)
RANCHO DEL CONEJO COMM WATER COOP is one of 272 community water systems in Arizona in the 501 to 3,300 people size category, serving 900 people from groundwater.
As of August 1, 2026, its federal record holds 5 entries between 1988 and 2016, all of which EPA lists as closed. Nothing has been added since 2016.
All 5 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 the Total Coliform Rules, the Lead and Copper Rule, and synthetic organic chemicals.
Violation history
Monitoring, Routine (RTCR)
—Revised Total Coliform Rule
August 1, 2016 – August 31, 2016
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
March 1, 2014 – March 31, 2014
ResolvedFollow-up Or Routine LCR Tap M/R
—Lead and Copper Rule
October 1, 2010 – August 16, 2012
ResolvedMonitoring, Regular
—Hexachlorocyclopentadiene
January 1, 2002 – December 31, 2010
ResolvedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
April 1, 1988 – June 30, 1988
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 |
|---|---|---|---|---|
| August 1, 2016 – August 31, 2016 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| March 1, 2014 – March 31, 2014 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| October 1, 2010 – August 16, 2012 | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | — | Resolved |
| January 1, 2002 – December 31, 2010 | Monitoring, Regular | Hexachlorocyclopentadiene | — | Resolved |
| April 1, 1988 – June 30, 1988 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Archived |
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- November 6, 2017State Violation/Reminder Notice155 linked violations
Common questions
Is RANCHO DEL CONEJO COMM WATER COOP required to publish a Consumer Confidence Report?
- Yes. RANCHO DEL CONEJO COMM WATER COOP 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 RANCHO DEL CONEJO COMM WATER COOP’s next Consumer Confidence Report due?
- RANCHO DEL CONEJO COMM WATER COOP’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does RANCHO DEL CONEJO COMM WATER COOP have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for RANCHO DEL CONEJO COMM WATER COOP.
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
MARKHAM, JERI
520-682-8335
TUCSON, AZ 85743