TUCSON, AZ · Pima County
NORTH LA CHOLLA MHP Water System
Consumer Confidence Report status
NORTH LA CHOLLA MHP 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 NORTH LA CHOLLA MHP.
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)
- AZ0420043
- System type
- Community Water System
- Population served
- 150
- Service connections
- 50
- Ownership
- public/private mix
- Water source
- groundwater (wells)
NORTH LA CHOLLA MHP is one of 1,189 community water systems in Arizona in the 500 or fewer people size category, serving 150 people from groundwater.
As of August 1, 2026, its federal record holds 17 entries between 1980 and 2019, all of which EPA lists as closed. Nothing has been added since 2019.
Of the 17, 16 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, volatile organic chemicals, and the Radionuclides and Revised Rad Rule.
Violation history
Monitoring, Regular
—1,1,2-Trichloroethane
July 1, 2019 – September 30, 2019
ResolvedMonitoring, Regular
—1,2-Dichloropropane
July 1, 2019 – September 30, 2019
ResolvedMonitoring, Regular
—Benzene
April 1, 2019 – June 30, 2019
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2007 – April 20, 2010
ResolvedMonitoring, Regular
—Arsenic
October 31, 1989 – October 30, 1992
ArchivedMonitoring, Regular
—Chromium
October 31, 1989 – October 30, 1992
ArchivedMonitoring, Regular
—Selenium
October 31, 1989 – October 30, 1992
ArchivedMonitoring, Regular
—Nitrate
July 1, 1989 – September 30, 1989
ArchivedMonitoring, Regular
—Barium
July 1, 1989 – September 30, 1989
ArchivedMonitoring, Regular
—Cadmium
July 1, 1989 – September 30, 1989
ArchivedMonitoring, Regular
—Chromium
July 1, 1989 – September 30, 1989
ArchivedMonitoring, Regular
—Fluoride
July 1, 1989 – September 30, 1989
ArchivedMonitoring, Regular
—Mercury
July 1, 1989 – September 30, 1989
ArchivedMonitoring, Regular
—Selenium
July 1, 1989 – September 30, 1989
ArchivedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
November 29, 1986 – November 28, 1990
ArchivedMonitoring, Regular
—Arsenic
September 12, 1986 – September 10, 1989
ArchivedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
July 1, 1980 – June 30, 1984
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 |
|---|---|---|---|---|
| July 1, 2019 – September 30, 2019 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| July 1, 2019 – September 30, 2019 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| April 1, 2019 – June 30, 2019 | Monitoring, Regular | Benzene | — | Resolved |
| July 1, 2007 – April 20, 2010 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| October 31, 1989 – October 30, 1992 | Monitoring, Regular | Arsenic | — | Archived |
| October 31, 1989 – October 30, 1992 | Monitoring, Regular | Chromium | — | Archived |
| October 31, 1989 – October 30, 1992 | Monitoring, Regular | Selenium | — | Archived |
| July 1, 1989 – September 30, 1989 | Monitoring, Regular | Nitrate | — | Archived |
| July 1, 1989 – September 30, 1989 | Monitoring, Regular | Barium | — | Archived |
| July 1, 1989 – September 30, 1989 | Monitoring, Regular | Cadmium | — | Archived |
| July 1, 1989 – September 30, 1989 | Monitoring, Regular | Chromium | — | Archived |
| July 1, 1989 – September 30, 1989 | Monitoring, Regular | Fluoride | — | Archived |
| July 1, 1989 – September 30, 1989 | Monitoring, Regular | Mercury | — | Archived |
| July 1, 1989 – September 30, 1989 | Monitoring, Regular | Selenium | — | Archived |
| November 29, 1986 – November 28, 1990 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Archived |
| September 12, 1986 – September 10, 1989 | Monitoring, Regular | Arsenic | — | Archived |
| July 1, 1980 – June 30, 1984 | 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 15, 2022State Violation/Reminder Notice83 linked violations
- September 30, 1980State Othergeneral compliance action — not tied to a specific violation on record
- January 25, 1980State Othergeneral compliance action — not tied to a specific violation on record
Common questions
Is NORTH LA CHOLLA MHP required to publish a Consumer Confidence Report?
- Yes. NORTH LA CHOLLA MHP 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 NORTH LA CHOLLA MHP’s next Consumer Confidence Report due?
- NORTH LA CHOLLA MHP’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does NORTH LA CHOLLA MHP have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for NORTH LA CHOLLA MHP.
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
NEWTON, DEAN
520-888-3883
TUCSON, AZ 85705