Public water system record
Dona Ana MDWCA
Serves an area of Doña Ana County, NM that includes Doña Ana, San Ysidro, Picacho Hills and 1 more place · 17,067 people served
Federal records show 14 health-based violations and 20 monitoring/reporting issues for Dona Ana MDWCA in the last ten years. The most serious issue in this window was a resolved Groundwater Rule violation.
System profile
- Health-based violations, last 10 years
- 14
- Resolved
- 14
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 20
Key facts
- Dona Ana MDWCA draws water from 9 wells.
- Record on file since 2000, with 5 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 3,932 unknown out of 6,530 service lines.
Check whether Dona Ana MDWCA 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 |
|---|---|---|---|---|
|
Groundwater Rule
Treatment technique failure
|
140 | May 12, 2024 | Resolved | No |
|
Groundwater Rule
Treatment technique failure
|
140 | May 12, 2024 | Resolved | No |
|
Groundwater Rule
Treatment technique failure
|
140 | May 12, 2024 | Resolved | No |
|
Groundwater Rule
Treatment technique failure
|
140 | May 12, 2024 | Resolved | No |
|
Groundwater Rule
Treatment technique failure
|
140 | May 12, 2024 | Resolved | No |
|
Groundwater Rule
Treatment technique failure
|
140 | May 12, 2024 | Resolved | No |
|
Groundwater Rule
Treatment technique failure
|
140 | May 12, 2024 | Resolved | No |
|
Groundwater Rule
Treatment technique failure
|
140 | May 12, 2024 | Resolved | No |
|
Groundwater Rule
Treatment technique failure
|
140 | May 12, 2024 | Resolved | No |
|
Groundwater Rule
Treatment technique failure
|
140 | May 12, 2024 | Resolved | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Nov 1, 2020 | Resolved | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Nov 1, 2020 | Resolved | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Oct 12, 2016 | Resolved | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Jul 17, 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
|
Jul 17, 2024 | Resolved |
|
Public Notice
OTHER
|
Mar 12, 2024 | Resolved |
|
Public Notice
OTHER
|
Mar 12, 2024 | Resolved |
|
Chlorine
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Chlorine
Monitoring and reporting
|
Jul 1, 2023 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Feb 1, 2023 | Resolved |
|
Chlorine
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Jan 1, 2023 | Resolved |
|
Public Notice
OTHER
|
Apr 15, 2022 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2021 | Resolved |
|
Chlorine
Monitoring and reporting
|
Jan 1, 2021 | Resolved |
|
Asbestos
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2018 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jul 1, 2018 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jul 1, 2018 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2018 | Resolved |
|
Public Notice
OTHER
|
Feb 8, 2018 | Resolved |
|
Public Notice
OTHER
|
Sep 25, 2017 | Resolved |
|
Public Notice
OTHER
|
Apr 8, 2017 | Resolved |
|
Public Notice
OTHER
|
Jun 19, 2015 | Resolved |
Full record since 2000
EPA's records for Dona Ana MDWCA go back to 2000. Before October 19, 2016 they list 5 health-based violations (5 resolved) and 22 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 2000s | 3 | 13 |
| 2010 to October 18, 2016 | 2 | 9 |
| October 19, 2016 to 2019 | 0 | 7 |
| 2020s | 12 | 12 |
Most recent health-based violation before October 19, 2016: Groundwater Rule, began October 2016, Resolved.
Show all 5 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Groundwater Rule
Treatment technique failure
|
Oct 12, 2016 | Resolved |
|
Groundwater Rule
Treatment technique failure
|
Jul 17, 2016 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
Measured 37 µg/L, federal limit 30 µg/L (1.2 times the limit)
|
Jan 1, 2006 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
Measured 53 µg/L, federal limit 30 µg/L (1.8 times the limit)
|
Jan 1, 2004 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 2000 | Resolved |
What the violations mean
Groundwater Rule
14 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.
Where the water comes from
Dona Ana MDWCA draws water from 9 wells.
Annual water quality report
Dona Ana MDWCA 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 10,000 or more people must mail or deliver the report to every customer, and from 2027 they must send it twice a year.
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 New Mexico.
Certified drinking water labs by state EPA guidance for private wells