Public water system record
San Juan MDWCA
Serves San Jose and Soham, San Miguel County, NM · 136 people served
Federal records show 2 health-based violations and 3 monitoring/reporting issues for San Juan MDWCA in the last ten years, including an unresolved LEAD AND COPPER RULE REVISIONS violation.
System profile
- Health-based violations, last 10 years
- 2
- Resolved
- 1
- Unresolved
- 1
- Any acute record
- Yes
- Monitoring issues, last 10 years
- 3
Key facts
- San Juan MDWCA draws water from 2 wells.
- Most recent enforcement action: boil water order by New Mexico, September 2025.
- Record on file since 1983, with 0 health-based violations before October 20, 2016.
Check whether San Juan 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 |
|---|---|---|---|---|
|
Revised Total Coliform Rule
Contaminant limit exceeded
|
110 | Sep 1, 2025 | Resolved | Yes |
|
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 |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2014 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2013 | Resolved |
Full record since 1983
EPA's records for San Juan MDWCA go back to 1983. Before October 20, 2016 they list no health-based violations and 36 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 0 | 8 |
| 1990s | 0 | 1 |
| 2000s | 0 | 21 |
| 2010 to October 19, 2016 | 0 | 6 |
| 2020s | 2 | 1 |
Enforcement actions
New Mexico regulators took 1 formal enforcement action against San Juan MDWCA and issued 1 boil water order between 2010 and 2025. The most recent was a boil water order in September 2025.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Sep 5, 2025 | New Mexico | Boil water order | 1 violation (1 health-based): Revised Total Coliform Rule |
| Nov 19, 2010 | New Mexico | Compliance order (no penalty) | 1 violation: Lead and Copper Rule |
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
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
San Juan MDWCA draws water from 2 wells.
Annual water quality report
San Juan 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 San Juan 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