PHOENIX, AZ · Mohave County
WILLOW VALLEY WATER COMPANY HO Water System
Inactive system
This water system is marked inactive in EPA’s federal records as of November 18, 2005. 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 Mohave County, AZ.
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)
- AZ0408034
- System type
- Community Water System
- Population served
- 365
- Service connections
- 147
- Ownership
- privately owned
- Water source
- groundwater (wells)
WILLOW VALLEY WATER COMPANY HO is one of 1,189 community water systems in Arizona in the 500 or fewer people size category, formerly serving 365 people from groundwater.
EPA's federal records list this system as inactive in 2005; the record below is historical.
As of August 1, 2026, its federal record holds 17 entries between 1980 and 1988, all of which EPA lists as closed. Nothing has been added since 1988.
All 17 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 inorganic chemicals and the Radionuclides and Revised Rad Rule.
Violation history
Monitoring, Regular
—Arsenic
January 31, 1988 – January 30, 1991
ArchivedMonitoring, Regular
—Barium
January 31, 1988 – January 30, 1991
ArchivedMonitoring, Regular
—Chromium
January 31, 1988 – January 30, 1991
ArchivedMonitoring, Regular
—Selenium
January 31, 1988 – January 30, 1991
ArchivedMonitoring, Regular
—Cadmium
January 31, 1988 – January 30, 1991
ArchivedMonitoring, Regular
—Mercury
January 31, 1988 – January 30, 1991
ArchivedMonitoring, Regular
—Fluoride
January 31, 1988 – January 30, 1991
ArchivedMonitoring, Regular
—Nitrate
January 31, 1988 – January 30, 1991
ArchivedMonitoring, Regular
—Selenium
July 1, 1987 – September 30, 1987
ArchivedMonitoring, Regular
—Barium
July 1, 1987 – September 30, 1987
ArchivedMonitoring, Regular
—Cadmium
July 1, 1987 – September 30, 1987
ArchivedMonitoring, Regular
—Chromium
July 1, 1987 – September 30, 1987
ArchivedMonitoring, Regular
—Fluoride
July 1, 1987 – September 30, 1987
ArchivedMonitoring, Regular
—Mercury
July 1, 1987 – September 30, 1987
ArchivedMonitoring, Regular
—Nitrate
July 1, 1987 – September 30, 1987
ArchivedMonitoring, Regular
—Arsenic
July 11, 1984 – July 10, 1987
ArchivedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
July 1, 1980 – June 30, 1984
Archived
Archived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| January 31, 1988 – January 30, 1991 | Monitoring, Regular | Arsenic | — | Archived |
| January 31, 1988 – January 30, 1991 | Monitoring, Regular | Barium | — | Archived |
| January 31, 1988 – January 30, 1991 | Monitoring, Regular | Chromium | — | Archived |
| January 31, 1988 – January 30, 1991 | Monitoring, Regular | Selenium | — | Archived |
| January 31, 1988 – January 30, 1991 | Monitoring, Regular | Cadmium | — | Archived |
| January 31, 1988 – January 30, 1991 | Monitoring, Regular | Mercury | — | Archived |
| January 31, 1988 – January 30, 1991 | Monitoring, Regular | Fluoride | — | Archived |
| January 31, 1988 – January 30, 1991 | Monitoring, Regular | Nitrate | — | Archived |
| July 1, 1987 – September 30, 1987 | Monitoring, Regular | Selenium | — | Archived |
| July 1, 1987 – September 30, 1987 | Monitoring, Regular | Barium | — | Archived |
| July 1, 1987 – September 30, 1987 | Monitoring, Regular | Cadmium | — | Archived |
| July 1, 1987 – September 30, 1987 | Monitoring, Regular | Chromium | — | Archived |
| July 1, 1987 – September 30, 1987 | Monitoring, Regular | Fluoride | — | Archived |
| July 1, 1987 – September 30, 1987 | Monitoring, Regular | Mercury | — | Archived |
| July 1, 1987 – September 30, 1987 | Monitoring, Regular | Nitrate | — | Archived |
| July 11, 1984 – July 10, 1987 | Monitoring, Regular | Arsenic | — | Archived |
| July 1, 1980 – June 30, 1984 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Archived |
Archived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- September 30, 1980State Othergeneral compliance action — not tied to a specific violation on record
Last known contact on file (system is inactive)
WILLOW VALLEY WATER CO INC
602-224-0711
PHOENIX, AZ 85012