Public water system record
Jones Coop Water Assoc
Serves an area of Yuma County, AZ that includes Yuma · 35 people served
Federal records show 18 health-based violations and 54 monitoring/reporting issues for Jones Coop Water Assoc in the last ten years, including an unresolved LEAD AND COPPER RULE REVISIONS violation.
System profile
- Health-based violations, last 10 years
- 18
- Resolved
- 13
- Unresolved
- 5
- Any acute record
- No
- Monitoring issues, last 10 years
- 54
Key facts
- Jones Coop Water Assoc draws water from 1 well.
- Highest measured level in the last 10 years: Arsenic, 0.015 mg/L, federal limit 0.01 mg/L (1.5 times the limit), 2024.
- Most recent formal enforcement: compliance order (no penalty) by EPA, March 2026.
- Record on file since 1980, with 2 health-based violations before October 19, 2016.
Check whether Jones Coop Water Assoc 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 |
|---|---|---|---|---|
|
LEAD AND COPPER RULE REVISIONS
Treatment technique failure
|
350 | Oct 17, 2024 |
Active
Enforcement action in place
|
No |
|
Arsenic
Contaminant limit exceeded
Measured 0.013 mg/L, federal limit 0.01 mg/L (1.3 times the limit)
|
330 | Oct 1, 2024 | Resolved | No |
|
Arsenic
Contaminant limit exceeded
Measured 0.013 mg/L, federal limit 0.01 mg/L (1.3 times the limit)
|
330 | Jul 1, 2024 | Resolved | No |
|
Arsenic
Contaminant limit exceeded
Measured 0.014 mg/L, federal limit 0.01 mg/L (1.4 times the limit)
|
330 | Apr 1, 2024 | Resolved | No |
|
Arsenic
Contaminant limit exceeded
Measured 0.015 mg/L, federal limit 0.01 mg/L (1.5 times the limit)
|
330 | Jan 1, 2024 | Resolved | No |
|
Arsenic
Contaminant limit exceeded
Measured 0.011 mg/L, federal limit 0.01 mg/L (1.1 times the limit)
|
330 | Jul 1, 2023 | Resolved | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Apr 19, 2022 | Active | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Apr 19, 2022 | Active | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Apr 19, 2022 | Active | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Mar 29, 2022 | Active | No |
|
Arsenic
Contaminant limit exceeded
Measured 0.013 mg/L, federal limit 0.01 mg/L (1.3 times the limit)
|
330 | Jul 1, 2018 | Resolved | No |
|
Arsenic
Contaminant limit exceeded
Measured 0.013 mg/L, federal limit 0.01 mg/L (1.3 times the limit)
|
330 | Apr 1, 2018 | Resolved | No |
|
Arsenic
Contaminant limit exceeded
Measured 0.013 mg/L, federal limit 0.01 mg/L (1.3 times the limit)
|
330 | Jan 1, 2018 | Resolved | No |
|
Arsenic
Contaminant limit exceeded
Measured 0.012 mg/L, federal limit 0.01 mg/L (1.2 times the limit)
|
330 | Oct 1, 2017 | Resolved | No |
|
Arsenic
Contaminant limit exceeded
Measured 0.012 mg/L, federal limit 0.01 mg/L (1.2 times the limit)
|
330 | Jul 1, 2017 | Resolved | No |
|
Arsenic
Contaminant limit exceeded
Measured 0.012 mg/L, federal limit 0.01 mg/L (1.2 times the limit)
|
330 | Apr 1, 2017 | Resolved | No |
|
Arsenic
Contaminant limit exceeded
Measured 0.012 mg/L, federal limit 0.01 mg/L (1.2 times the limit)
|
330 | Jan 1, 2017 | Resolved | No |
|
Arsenic
Contaminant limit exceeded
Measured 0.012 mg/L, federal limit 0.01 mg/L (1.2 times the limit)
|
330 | Oct 1, 2016 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Public Notice
OTHER
|
Oct 18, 2025 | Active |
|
Consumer Confidence Rule
OTHER
|
Oct 2, 2025 | Active |
|
Public Notice
OTHER
|
Jul 27, 2025 | Active |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2025 | Active |
|
Lead and Copper Rule
Monitoring and reporting
|
Jul 1, 2025 | Active |
|
Public Notice
OTHER
|
Feb 20, 2025 | Active |
|
Revised Total Coliform Rule
RPT
|
Jan 1, 2025 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 2025 | Active |
|
Public Notice
OTHER
|
Dec 22, 2024 | Active |
|
Public Notice
OTHER
|
Dec 20, 2024 | Active |
|
Revised Total Coliform Rule
Monitoring violation
|
Dec 1, 2024 | Resolved |
|
LEAD AND COPPER RULE REVISIONS
RPT
|
Oct 17, 2024 |
Active
Enforcement action in place
|
|
Public Notice
OTHER
|
Oct 10, 2024 | Active |
|
Consumer Confidence Rule
OTHER
|
Oct 2, 2024 | Active |
|
Public Notice
OTHER
|
Jul 24, 2024 | Active |
|
Lead and Copper Rule
Monitoring and reporting
|
Jul 1, 2024 | Active |
|
Public Notice
OTHER
|
Jun 21, 2024 | Active |
|
Public Notice
OTHER
|
Apr 5, 2024 | Active |
|
Public Notice
OTHER
|
Jan 20, 2024 | Active |
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 2024 | Active |
|
Consumer Confidence Rule
OTHER
|
Oct 2, 2023 | Active |
|
Public Notice
OTHER
|
Sep 24, 2023 | Active |
|
Public Notice
OTHER
|
Jul 23, 2023 | Active |
|
Lead and Copper Rule
Monitoring and reporting
|
Jul 1, 2023 | Active |
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 2023 | Active |
|
Lead and Copper Rule
Monitoring and reporting
|
Jul 1, 2022 | Active |
|
Public Notice
OTHER
|
Feb 20, 2022 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 2022 | Active |
|
Public Notice
OTHER
|
Nov 21, 2021 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Nov 1, 2021 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Oct 2, 2021 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Sep 1, 2021 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jul 1, 2021 | Active |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2021 | Resolved |
|
Arsenic
Monitoring and reporting
|
Jan 1, 2021 | Resolved |
|
Public Notice
OTHER
|
Nov 21, 2020 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Oct 2, 2020 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2020 | Active |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2020 | Resolved |
|
Arsenic
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2019 | Active |
|
Revised Total Coliform Rule
RPT
|
Jul 1, 2019 | Resolved |
|
Arsenic
Monitoring and reporting
|
Oct 1, 2018 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Sep 1, 2018 | Resolved |
|
Arsenic
Monitoring and reporting
|
Jul 1, 2018 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Oct 1, 2017 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2017 | Resolved |
|
Arsenic
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Jan 1, 2017 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Dec 1, 2016 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Oct 1, 2016 | Resolved |
|
Arsenic
Monitoring and reporting
|
Oct 1, 2016 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Oct 1, 2016 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2016 | Resolved |
Full record since 1980
EPA's records for Jones Coop Water Assoc go back to 1980. Before October 19, 2016 they list 2 health-based violations (1 resolved, 1 archived by EPA without a recorded fix) and 168 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 1 | 10 |
| 1990s | 0 | 68 |
| 2000s | 0 | 52 |
| 2010 to October 18, 2016 | 1 | 38 |
| October 19, 2016 to 2019 | 7 | 10 |
| 2020s | 10 | 40 |
Most recent health-based violation before October 19, 2016: Arsenic, began October 2016, Resolved.
Show all 2 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Arsenic
Contaminant limit exceeded
Measured 0.012 mg/L, federal limit 0.01 mg/L (1.2 times the limit)
|
Oct 1, 2016 | Resolved |
|
Fluoride
Contaminant limit exceeded
|
Oct 10, 1980 | Archived |
Enforcement actions
EPA took 1 formal enforcement action against Jones Coop Water Assoc in 2026. The most recent was a compliance order (no penalty) in March 2026.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Mar 19, 2026 | EPA | Compliance order (no penalty) | 2 violations (1 health-based): LEAD AND COPPER RULE REVISIONS |
What the violations mean
Arsenic
13 incidentsArsenic exceeded the federal limit
Long-term arsenic exposure is linked to cancer and cardiovascular effects
Groundwater Rule
4 incidentsThe system did not complete a treatment step or action that the Groundwater Rule requires (a treatment technique violation).
The utility had to notify customers about each of these violations.
LEAD AND COPPER RULE REVISIONS
1 incidentThe system did not complete a treatment step or action that the LEAD AND COPPER RULE REVISIONS requires (a treatment technique violation).
The utility had to notify customers about this violation.
Where the water comes from
Jones Coop Water Assoc draws water from 1 well.
Annual water quality report
Jones Coop Water Assoc 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 Jones Coop Water Assoc 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