AJO, AZ · Pima County
ORGAN PIPE NM HEADQUARTERS 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)
- AZ0410701
- System type
- Community Water System
- Population served
- 755
- Service connections
- 40
- Ownership
- federal government
- Water source
- groundwater (wells)
Violation history
Monitoring, Regular
—Mercury
April 30, 1989 – April 29, 1992
ArchivedMonitoring, Regular
—Chromium
April 30, 1989 – April 29, 1992
ArchivedMonitoring, Regular
—Cadmium
April 30, 1989 – April 29, 1992
ArchivedMonitoring, Regular
—Arsenic
April 30, 1989 – April 29, 1992
ArchivedMonitoring, Regular
—Cadmium
January 1, 1989 – March 31, 1989
ArchivedMonitoring, Regular
—Mercury
January 1, 1989 – March 31, 1989
ArchivedMonitoring, Regular
—Nitrate
January 1, 1989 – March 31, 1989
ArchivedMonitoring, Regular
—Selenium
January 1, 1989 – March 31, 1989
ArchivedMonitoring, Regular
—Barium
January 1, 1989 – March 31, 1989
ArchivedMonitoring, Regular
—Chromium
January 1, 1989 – March 31, 1989
ArchivedMonitoring, Regular
—Fluoride
January 1, 1989 – March 31, 1989
ArchivedMonitoring, Regular
—Arsenic
February 25, 1986 – February 23, 1989
ArchivedMaximum Contaminant Level Violation, Single Sample
Health-basedFluoride
April 5, 1982 – June 4, 1982
ArchivedMonitoring, Check/Repeat/Confirmation
—Fluoride
June 24, 1979 – July 23, 1979
ArchivedMonitoring, Check/Repeat/Confirmation
—Fluoride
June 24, 1979 – July 23, 1979
Archived
Archived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| April 30, 1989 – April 29, 1992 | Monitoring, Regular | Mercury | — | Archived |
| April 30, 1989 – April 29, 1992 | Monitoring, Regular | Chromium | — | Archived |
| April 30, 1989 – April 29, 1992 | Monitoring, Regular | Cadmium | — | Archived |
| April 30, 1989 – April 29, 1992 | Monitoring, Regular | Arsenic | — | Archived |
| January 1, 1989 – March 31, 1989 | Monitoring, Regular | Cadmium | — | Archived |
| January 1, 1989 – March 31, 1989 | Monitoring, Regular | Mercury | — | Archived |
| January 1, 1989 – March 31, 1989 | Monitoring, Regular | Nitrate | — | Archived |
| January 1, 1989 – March 31, 1989 | Monitoring, Regular | Selenium | — | Archived |
| January 1, 1989 – March 31, 1989 | Monitoring, Regular | Barium | — | Archived |
| January 1, 1989 – March 31, 1989 | Monitoring, Regular | Chromium | — | Archived |
| January 1, 1989 – March 31, 1989 | Monitoring, Regular | Fluoride | — | Archived |
| February 25, 1986 – February 23, 1989 | Monitoring, Regular | Arsenic | — | Archived |
| April 5, 1982 – June 4, 1982 | Maximum Contaminant Level Violation, Single Sample | Fluoride | Health-based | Archived |
| June 24, 1979 – July 23, 1979 | Monitoring, Check/Repeat/Confirmation | Fluoride | — | Archived |
| June 24, 1979 – July 23, 1979 | Monitoring, Check/Repeat/Confirmation | Fluoride | — | Archived |
Archived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
No enforcement actions on record for this system.
Contact
ORGAN PIPE CACTUS NATL MONUMENT
520-387-6849
AJO, AZ 85321-9626