Public water system record
Pantano Water Coop
Serves Vail and Rincon Valley, Pima County, AZ · 156 people served
Federal records show 1 health-based violation and 7 monitoring/reporting issues for Pantano 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
- 7
Key facts
- Pantano Water Coop draws water from 1 well.
- Record on file since 1998, with 0 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 23 unknown out of 53 service lines.
Check whether Pantano 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 | Apr 1, 2022 | 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
|
Oct 1, 2025 | Active |
|
LEAD AND COPPER RULE REVISIONS
RPT
|
Jul 2, 2025 | Active |
|
Revised Total Coliform Rule
RPT
|
Mar 1, 2022 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 25, 2019 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Nov 3, 2017 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2017 | Resolved |
Full record since 1998
EPA's records for Pantano Water Coop go back to 1998. Before October 19, 2016 they list no health-based violations and 78 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 0 | 51 |
| 2000s | 0 | 14 |
| 2010 to October 18, 2016 | 0 | 13 |
| October 19, 2016 to 2019 | 0 | 4 |
| 2020s | 1 | 3 |
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
Pantano Water Coop draws water from 1 well.
Annual water quality report
Pantano 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 Pantano 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