Public water system record
Cundiyo MDWCA
Serves Cundiyo, Santa Fe County, NM · 58 people served
Federal records show 2 health-based violations and 14 monitoring/reporting issues for Cundiyo MDWCA in the last ten years. The most serious issue in this window was a Gross Alpha, Excl. Radon and U violation that EPA lists as archived, not resolved.
System profile
- Health-based violations, last 10 years
- 2
- Resolved
- 0
- Unresolved
- 0
- Archived by EPA
- 2
- Any acute record
- No
- Monitoring issues, last 10 years
- 14
Key facts
- Cundiyo MDWCA draws water from 2 wells.
- Highest measured level in the last 10 years: Gross Alpha, Excl. Radon and U, 28 pCi/L, federal limit 15 pCi/L (1.9 times the limit), 2025.
- Most recent formal enforcement: compliance order (no penalty) by New Mexico, October 2016.
- Record on file since 1981, with 6 health-based violations before October 19, 2016.
Check whether Cundiyo 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 |
|---|---|---|---|---|
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 28 pCi/L, federal limit 15 pCi/L (1.9 times the limit)
|
340 | Apr 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 19 pCi/L, federal limit 15 pCi/L (1.3 times the limit)
|
340 | Jan 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
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
Monitoring and reporting
|
Oct 1, 2025 | Active |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2019 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2018 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2018 | Resolved |
|
Public Notice
OTHER
|
Apr 2, 2018 | Resolved |
|
Public Notice
OTHER
|
Oct 18, 2017 | Resolved |
|
Public Notice
OTHER
|
Oct 18, 2017 | Resolved |
|
Public Notice
OTHER
|
Oct 18, 2017 | Resolved |
|
Public Notice
OTHER
|
Oct 18, 2017 | Resolved |
|
Public Notice
OTHER
|
Oct 7, 2017 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2017 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Oct 1, 2016 | Resolved |
|
Revised Total Coliform Rule
OTHER
|
Jun 2, 2016 | Resolved |
|
Public Notice
OTHER
|
May 19, 2016 | Resolved |
Full record since 1981
EPA's records for Cundiyo MDWCA go back to 1981. Before October 19, 2016 they list 6 health-based violations (6 resolved) and 40 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 0 | 14 |
| 1990s | 0 | 2 |
| 2000s | 0 | 10 |
| 2010 to October 18, 2016 | 6 | 14 |
| October 19, 2016 to 2019 | 0 | 10 |
| 2020s | 2 | 1 |
Most recent health-based violation before October 19, 2016: Gross Alpha, Excl. Radon and U, began April 2016, Resolved.
Show all 6 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 24 pCi/L, federal limit 15 pCi/L (1.6 times the limit)
|
Apr 1, 2016 | Resolved |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 28 pCi/L, federal limit 15 pCi/L (1.9 times the limit)
|
Jan 1, 2016 | Resolved |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 30 pCi/L, federal limit 15 pCi/L (2 times the limit)
|
Oct 1, 2015 | Resolved |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 23 pCi/L, federal limit 15 pCi/L (1.5 times the limit)
|
Jul 1, 2015 | Resolved |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 18 pCi/L, federal limit 15 pCi/L (1.2 times the limit)
|
Apr 1, 2015 | Resolved |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 16.5 pCi/L, federal limit 15 pCi/L (1.1 times the limit)
|
Oct 1, 2011 | Resolved |
Enforcement actions
New Mexico regulators took 1 formal enforcement action against Cundiyo MDWCA in 2016. The most recent was a compliance order (no penalty) in October 2016.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Oct 20, 2016 | New Mexico | Compliance order (no penalty) | 5 violations (5 health-based): Gross Alpha, Excl. Radon and U |
What the violations mean
Gross Alpha, Excl. Radon and U
2 incidentsTest results for Gross Alpha, Excl. Radon and U were above the federal limit (a maximum contaminant level violation).
The utility had to notify customers about each of these violations.
Where the water comes from
Cundiyo MDWCA draws water from 2 wells.
Annual water quality report
Cundiyo 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 Cundiyo 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