Public water system record
South San Ysidro MDWCA
Serves an area of San Miguel County, NM · 35 people served
Federal records show 5 health-based violations and 6 monitoring/reporting issues for South San Ysidro MDWCA in the last ten years, including an unresolved LEAD AND COPPER RULE REVISIONS violation.
System profile
- Health-based violations, last 10 years
- 5
- Resolved
- 4
- Unresolved
- 1
- Any acute record
- No
- Monitoring issues, last 10 years
- 6
Key facts
- South San Ysidro MDWCA draws water from 1 well.
- Record on file since 1997, with 5 health-based violations before October 19, 2016.
Check whether South San Ysidro 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 |
|
Groundwater Rule
Treatment technique failure
|
140 | Sep 29, 2018 | Resolved | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Sep 29, 2018 | Resolved | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Sep 29, 2018 | Resolved | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Jul 4, 2018 | 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 REVISIONS
RPT
|
Oct 17, 2024 | Active |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Aug 1, 2019 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
May 1, 2019 | Resolved |
|
Public Notice
OTHER
|
Feb 16, 2019 | Resolved |
|
Public Notice
OTHER
|
Oct 6, 2018 | Resolved |
Full record since 1997
EPA's records for South San Ysidro MDWCA go back to 1997. Before October 19, 2016 they list 5 health-based violations (5 resolved) and 8 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 0 | 1 |
| 2000s | 0 | 2 |
| 2010 to October 18, 2016 | 5 | 5 |
| October 19, 2016 to 2019 | 4 | 5 |
| 2020s | 1 | 1 |
Most recent health-based violation before October 19, 2016: Total Coliform, began December 2014, Resolved.
Show all 5 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Dec 1, 2014 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2013 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jun 1, 2011 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 2010 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2010 | Resolved |
What the violations mean
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
South San Ysidro MDWCA draws water from 1 well.
Annual water quality report
South San Ysidro 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 South San Ysidro 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