Public water system record
Pendaries MDWCA
Serves an area of San Miguel County, NM · 500 people served
Federal records show 7 health-based violations and 15 monitoring/reporting issues for Pendaries MDWCA in the last ten years, including an unresolved Groundwater Rule violation.
System profile
- Health-based violations, last 10 years
- 7
- Resolved
- 0
- Unresolved
- 7
- Any acute record
- No
- Monitoring issues, last 10 years
- 15
Key facts
- Pendaries MDWCA draws water from 4 wells.
- Most recent formal enforcement: compliance order (no penalty) by New Mexico, December 2009.
- Record on file since 1981, with 38 health-based violations before October 19, 2016.
Check whether Pendaries 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 | Nov 9, 2024 | Active | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Nov 9, 2024 | Active | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Nov 9, 2024 | Active | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Nov 9, 2024 | Active | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Nov 9, 2024 | Active | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Nov 9, 2024 | Active | No |
|
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 |
|---|---|---|
|
E. coli
Monitoring and reporting
|
Nov 21, 2025 | Active |
|
Consumer Confidence Rule
OTHER
|
Oct 1, 2025 | Active |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2025 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jul 1, 2025 | Resolved |
|
LEAD AND COPPER RULE REVISIONS
RPT
|
Oct 17, 2024 | Active |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2024 | Active |
|
Groundwater Rule
OTHER
|
Aug 14, 2024 | Active |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2022 | Resolved |
|
Chlorine
Monitoring and reporting
|
Apr 1, 2022 | Resolved |
|
Public Notice
OTHER
|
Jul 11, 2017 | Resolved |
|
Public Notice
OTHER
|
Feb 19, 2017 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2014 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2010 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 2008 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 2007 | Resolved |
Full record since 1981
EPA's records for Pendaries MDWCA go back to 1981. Before October 19, 2016 they list 38 health-based violations (38 resolved) and 52 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 0 | 1 |
| 1990s | 2 | 2 |
| 2000s | 16 | 27 |
| 2010 to October 18, 2016 | 20 | 22 |
| October 19, 2016 to 2019 | 0 | 2 |
| 2020s | 7 | 9 |
Most recent health-based violation before October 19, 2016: Fluoride, began October 2014, Resolved.
Show all 38 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Fluoride
Contaminant limit exceeded
Measured 5.1 mg/L, federal limit 4 mg/L (1.3 times the limit)
|
Oct 1, 2014 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 4.8 mg/L, federal limit 4 mg/L (1.2 times the limit)
|
Jul 1, 2014 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 4.5 mg/L, federal limit 4 mg/L (1.1 times the limit)
|
Apr 1, 2014 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 4.7 mg/L, federal limit 4 mg/L (1.2 times the limit)
|
Jan 1, 2014 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 4.8 mg/L, federal limit 4 mg/L (1.2 times the limit)
|
Oct 1, 2013 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 5 mg/L, federal limit 4 mg/L (1.3 times the limit)
|
Jul 1, 2013 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 5.2 mg/L, federal limit 4 mg/L (1.3 times the limit)
|
Apr 1, 2013 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 4.9 mg/L, federal limit 4 mg/L (1.2 times the limit)
|
Jan 1, 2013 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 4.6 mg/L, federal limit 4 mg/L (1.2 times the limit)
|
Oct 1, 2012 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 4.6 mg/L, federal limit 4 mg/L (1.2 times the limit)
|
Jul 1, 2012 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 4.6 mg/L, federal limit 4 mg/L (1.2 times the limit)
|
Apr 1, 2012 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 4.6 mg/L, federal limit 4 mg/L (1.2 times the limit)
|
Jan 1, 2012 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 4.8 mg/L, federal limit 4 mg/L (1.2 times the limit)
|
Oct 1, 2011 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 4.8 mg/L, federal limit 4 mg/L (1.2 times the limit)
|
Jul 1, 2011 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 4.8 mg/L, federal limit 4 mg/L (1.2 times the limit)
|
Apr 1, 2011 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 4.7 mg/L, federal limit 4 mg/L (1.2 times the limit)
|
Jan 1, 2011 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 4.7 mg/L, federal limit 4 mg/L (1.2 times the limit)
|
Oct 1, 2010 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 4.5 mg/L, federal limit 4 mg/L (1.1 times the limit)
|
Jul 1, 2010 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 4.7 mg/L, federal limit 4 mg/L (1.2 times the limit)
|
Apr 1, 2010 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 4.8 mg/L, federal limit 4 mg/L (1.2 times the limit)
|
Jan 1, 2010 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 4.7 mg/L, federal limit 4 mg/L (1.2 times the limit)
|
Oct 1, 2009 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 4.7 mg/L, federal limit 4 mg/L (1.2 times the limit)
|
Jul 1, 2009 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 4.6 mg/L, federal limit 4 mg/L (1.2 times the limit)
|
Apr 1, 2009 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 4.5 mg/L, federal limit 4 mg/L (1.1 times the limit)
|
Jan 1, 2009 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 4.7 mg/L, federal limit 4 mg/L (1.2 times the limit)
|
Jan 1, 2009 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 4.6 mg/L, federal limit 4 mg/L (1.2 times the limit)
|
Oct 1, 2008 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 4.6 mg/L, federal limit 4 mg/L (1.2 times the limit)
|
Jul 1, 2008 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 4.6 mg/L, federal limit 4 mg/L (1.2 times the limit)
|
Apr 1, 2008 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 4.5 mg/L, federal limit 4 mg/L (1.1 times the limit)
|
Jan 1, 2008 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 5.32 mg/L, federal limit 4 mg/L (1.3 times the limit)
|
Jan 1, 2008 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 5.4 mg/L, federal limit 4 mg/L (1.4 times the limit)
|
Jan 1, 2005 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 2004 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 2004 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 2004 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 2003 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2003 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 1999 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 1998 | Resolved |
Enforcement actions
New Mexico regulators took 2 formal enforcement actions against Pendaries MDWCA between 2005 and 2009. The most recent was a compliance order (no penalty) in December 2009.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Dec 31, 2009 | New Mexico | Compliance order (no penalty) | 31 violations (31 health-based): Fluoride |
| Apr 4, 2005 | New Mexico | Compliance order (no penalty) | 8 violations (5 health-based): Total Coliform |
What the violations mean
Groundwater Rule
6 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
Pendaries MDWCA draws water from 4 wells. 1 smaller public system such as schools, businesses or campgrounds buys water from Pendaries MDWCA.
Annual water quality report
Pendaries 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 Pendaries 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