HUMBOLDT, AZ · Yavapai County
DIAMOND VALLEY WATER DISTRICT Water System
Current status
No open violations on record as of July 4, 2026.
This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.
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)
- AZ0413017
- System type
- Community Water System
- Population served
- 2,000
- Service connections
- 775
- Ownership
- privately owned
- Water source
- groundwater (wells)
Violation history
Maximum Contaminant Level Violation, Single Sample
Health-basedGross Alpha, Excl. Radon and U
November 27, 1989 – November 26, 1993
ArchivedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
October 1, 1989 – December 31, 1989
ArchivedMonitoring, Regular
—Chromium
June 24, 1979 – June 23, 1982
ArchivedMonitoring, Regular
—Mercury
June 24, 1979 – June 23, 1982
Archived
Archived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| November 27, 1989 – November 26, 1993 | Maximum Contaminant Level Violation, Single Sample | Gross Alpha, Excl. Radon and U | Health-based | Archived |
| October 1, 1989 – December 31, 1989 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Archived |
| June 24, 1979 – June 23, 1982 | Monitoring, Regular | Chromium | — | Archived |
| June 24, 1979 – June 23, 1982 | Monitoring, Regular | Mercury | — | Archived |
Archived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- January 25, 1980State Other1 linked violation
Contact
CHARLES, DENNIS M
928-458-5059
HUMBOLDT, AZ 86327