Public water system record
El Ancon MDWCA
Serves an area of San Miguel County, NM that includes Ribera · 112 people served
Federal records show 1 health-based violation and 1 monitoring/reporting issue for El Ancon MDWCA in the last ten years, including an unresolved LEAD AND COPPER RULE REVISIONS violation.
System profile
- Health-based violations, last 10 years
- 1
- Resolved
- 0
- Unresolved
- 1
- Any acute record
- No
- Monitoring issues, last 10 years
- 1
Key facts
- El Ancon MDWCA draws water from 1 well.
- Most recent enforcement action: boil water order by New Mexico, August 2013.
- Record on file since 1991, with 10 health-based violations before October 19, 2016.
Check whether El Ancon 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 |
|---|---|---|---|---|
|
LEAD AND COPPER RULE REVISIONS
Treatment technique failure
|
350 | Oct 17, 2024 | Active | 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 REVISIONS
RPT
|
Oct 17, 2024 | Active |
Full record since 1991
EPA's records for El Ancon MDWCA go back to 1991. Before October 19, 2016 they list 10 health-based violations (10 resolved) and 28 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 2 | 13 |
| 2000s | 5 | 11 |
| 2010 to October 18, 2016 | 3 | 4 |
| 2020s | 1 | 1 |
Most recent health-based violation before October 19, 2016: Total Coliform, began August 2013, Resolved.
Show all 10 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2013 | Resolved |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Aug 1, 2013 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jun 1, 2012 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Nov 1, 2009 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 2009 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Dec 1, 2008 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2008 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Apr 1, 2008 | Resolved |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Jul 1, 1998 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jun 1, 1998 | Resolved |
Enforcement actions
New Mexico regulators and EPA took 1 formal enforcement action against El Ancon MDWCA and issued 1 boil water order between 1999 and 2013. The most recent was a boil water order in August 2013.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Aug 16, 2013 | New Mexico | Boil water order | 1 violation (1 health-based): Total Coliform |
| Jun 29, 1999 | EPA | Compliance order (no penalty) | 2 violations (2 health-based): Total Coliform |
What the violations mean
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
El Ancon MDWCA draws water from 1 well.
Annual water quality report
El Ancon 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 500 or fewer people may meet the rule by telling customers the report is available on request, so you may need to ask El Ancon MDWCA 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 New Mexico.
Certified drinking water labs by state EPA guidance for private wells