Public water system record
Desert Water Coop
Serves Tucson and Three Points, Pima County, AZ · 150 people served
Federal records show 1 health-based violation and 18 monitoring/reporting issues for Desert Water Coop in the last ten years. The most serious issue in this window was a resolved Revised Total Coliform Rule violation.
System profile
- Health-based violations, last 10 years
- 1
- Resolved
- 1
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 18
Key facts
- Desert Water Coop draws water from 1 well.
- Record on file since 1981, with 0 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 52 service lines.
Check whether Desert Water Coop serves your address
Health-based violations
Since October 2016Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.
| Contaminant | Rule family | Start date | Status | Acute |
|---|---|---|---|---|
|
Revised Total Coliform Rule
Treatment technique failure
|
110 | Aug 3, 2020 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 2025 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2023 | Resolved |
|
E. coli
Monitoring and reporting
|
Jul 6, 2023 | Resolved |
|
Revised Total Coliform Rule
OTHER
|
Jun 1, 2023 | Resolved |
|
E. coli
Monitoring and reporting
|
Sep 3, 2022 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2022 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Oct 2, 2021 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2021 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Nov 28, 2020 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2020 | Resolved |
|
Public Notice
OTHER
|
Sep 3, 2020 | Resolved |
|
E. coli
Monitoring and reporting
|
Jul 16, 2020 | Resolved |
|
Revised Total Coliform Rule
OTHER
|
Jul 1, 2020 | Resolved |
|
E. coli
Monitoring and reporting
|
Nov 16, 2019 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Nov 1, 2019 | Resolved |
|
Revised Total Coliform Rule
OTHER
|
Nov 1, 2019 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Nov 3, 2017 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2017 | Resolved |
Full record since 1981
EPA's records for Desert Water Coop go back to 1981. Before October 19, 2016 they list no health-based violations and 63 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 0 | 28 |
| 1990s | 0 | 9 |
| 2000s | 0 | 16 |
| 2010 to October 18, 2016 | 0 | 10 |
| October 19, 2016 to 2019 | 0 | 5 |
| 2020s | 1 | 13 |
What the violations mean
Revised Total Coliform Rule
1 incidentThe system did not meet a requirement of the Revised Total Coliform Rule
Coliform and E. coli rules protect against bacteria in the distribution system
Where the water comes from
Desert Water Coop draws water from 1 well.
Annual water quality report
Desert Water Coop must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.
Systems serving 500 or fewer people may meet the rule by telling customers the report is available on request, so you may need to ask Desert Water Coop for a copy.
Find a posted report with EPA's Consumer Confidence Report search
Testing your own water
To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by Arizona.
Certified drinking water labs by state EPA guidance for private wells