EL MIRAGE, AZ · Mohave County
EPCOR - WILLOW VALLEY/LAKE CIMARRON Water System
Consumer Confidence Report status
EPCOR - WILLOW VALLEY/LAKE CIMARRON 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 EPCOR - WILLOW VALLEY/LAKE CIMARRON.
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)
- AZ0408129
- System type
- Community Water System
- Population served
- 596
- Service connections
- 248
- Ownership
- privately owned
- Water source
- groundwater (wells)
EPCOR - WILLOW VALLEY/LAKE CIMARRON is one of 272 community water systems in Arizona in the 501 to 3,300 people size category, serving 596 people from groundwater.
As of August 1, 2026, its federal record holds 1 entry in 2004, all of which EPA lists as closed. Nothing has been added since 2004.
All 1 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.
Violation history
Monitoring, Routine Major (TCR)
—Coliform (TCR)
July 1, 2004 – July 31, 2004
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| July 1, 2004 – July 31, 2004 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- August 5, 2009State Compliance achieved138 linked violations
- October 22, 2007State Compliance achievedgeneral compliance action — not tied to a specific violation on record
- May 9, 2006State Compliance achieved23 linked violations
- November 19, 2002State Compliance achieved625 linked violations
- April 3, 2002State Compliance achieved214 linked violations
Common questions
Is EPCOR - WILLOW VALLEY/LAKE CIMARRON required to publish a Consumer Confidence Report?
- Yes. EPCOR - WILLOW VALLEY/LAKE CIMARRON 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 EPCOR - WILLOW VALLEY/LAKE CIMARRON’s next Consumer Confidence Report due?
- EPCOR - WILLOW VALLEY/LAKE CIMARRON’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does EPCOR - WILLOW VALLEY/LAKE CIMARRON have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for EPCOR - WILLOW VALLEY/LAKE CIMARRON.
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
DIDOMIZIO, TOM
623-445-2431
EL MIRAGE, AZ 85335