Public water system record
Vista Redonda MDWCA
Serves Tesuque and Chupadero, Santa Fe County, NM · 132 people served
Federal records show 8 health-based violations and 7 monitoring/reporting issues for Vista Redonda MDWCA in the last ten years. The most serious issue in this window was a resolved Groundwater Rule violation.
System profile
Source water
Groundwater
ZIP
87532
EPA system ID
NM3536126
- Health-based violations, last 10 years
- 8
- Resolved
- 8
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 7
Key facts
- Vista Redonda MDWCA draws water from 6 wells.
- Most recent formal enforcement: compliance order (no penalty) by New Mexico, October 2016.
- Record on file since 1991, with 83 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 71 service lines.
Check whether Vista Redonda 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 | Oct 5, 2022 | Resolved | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Oct 5, 2022 | Resolved | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Oct 5, 2022 | Resolved | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Oct 5, 2022 | Resolved | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Oct 5, 2022 | Resolved | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Oct 5, 2022 | Resolved | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Oct 5, 2022 | Resolved | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Oct 5, 2022 | 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
Monitoring and reporting
|
Oct 1, 2025 | Active |
|
Revised Total Coliform Rule
Monitoring violation
|
Jul 1, 2023 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Oct 1, 2020 | Resolved |
|
E. coli
Monitoring and reporting
|
Aug 24, 2019 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2018 | Resolved |
|
Public Notice
OTHER
|
Mar 9, 2017 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2015 | Resolved |
Full record since 1991
EPA's records for Vista Redonda MDWCA go back to 1991. Before October 19, 2016 they list 83 health-based violations (83 resolved) and 52 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 0 | 6 |
| 2000s | 46 | 37 |
| 2010 to October 18, 2016 | 37 | 9 |
| October 19, 2016 to 2019 | 0 | 3 |
| 2020s | 8 | 3 |
Most recent health-based violation before October 19, 2016: Gross Alpha, Excl. Radon and U, began April 2016, Resolved.
Show all 83 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
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, 2016 | Resolved |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 17 pCi/L, federal limit 15 pCi/L (1.1 times the limit)
|
Jul 1, 2015 | Resolved |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 27 pCi/L, federal limit 15 pCi/L (1.8 times the limit)
|
Apr 1, 2015 | Resolved |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 29 pCi/L, federal limit 15 pCi/L (1.9 times the limit)
|
Jan 1, 2015 | Resolved |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 24 pCi/L, federal limit 15 pCi/L (1.6 times the limit)
|
Oct 1, 2014 | Resolved |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 26 pCi/L, federal limit 15 pCi/L (1.7 times the limit)
|
Jul 1, 2014 | Resolved |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 22 pCi/L, federal limit 15 pCi/L (1.5 times the limit)
|
Apr 1, 2014 | Resolved |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 31 pCi/L, federal limit 15 pCi/L (2.1 times the limit)
|
Jan 1, 2014 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
Measured 49 µg/L, federal limit 30 µg/L (1.6 times the limit)
|
Jul 1, 2013 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
Measured 48 µg/L, federal limit 30 µg/L (1.6 times the limit)
|
Apr 1, 2013 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
Measured 46 µg/L, federal limit 30 µg/L (1.5 times the limit)
|
Jan 1, 2013 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
Measured 41 µg/L, federal limit 30 µg/L (1.4 times the limit)
|
Oct 1, 2012 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
Measured 37 µg/L, federal limit 30 µg/L (1.2 times the limit)
|
Jul 1, 2012 | Resolved |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 15.3 pCi/L, federal limit 15 pCi/L (at or just above the limit)
|
Apr 1, 2012 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
Measured 37 µg/L, federal limit 30 µg/L (1.2 times the limit)
|
Apr 1, 2012 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
Measured 45 µg/L, federal limit 30 µg/L (1.5 times the limit)
|
Jan 1, 2012 | Resolved |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 19.14 pCi/L, federal limit 15 pCi/L (1.3 times the limit)
|
Jan 1, 2012 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
Measured 39 µg/L, federal limit 30 µg/L (1.3 times the limit)
|
Jan 1, 2012 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
Measured 30.5 µg/L, federal limit 30 µg/L (at or just above the limit)
|
Oct 1, 2011 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
Measured 44 µg/L, federal limit 30 µg/L (1.5 times the limit)
|
Oct 1, 2011 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
Measured 31 µg/L, federal limit 30 µg/L (at or just above the limit)
|
Jul 1, 2011 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
Measured 41 µg/L, federal limit 30 µg/L (1.4 times the limit)
|
Jul 1, 2011 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
Measured 31 µg/L, federal limit 30 µg/L (at or just above the limit)
|
Apr 1, 2011 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
Measured 39 µg/L, federal limit 30 µg/L (1.3 times the limit)
|
Apr 1, 2011 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
Measured 37 µg/L, federal limit 30 µg/L (1.2 times the limit)
|
Apr 1, 2011 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
Measured 31 µg/L, federal limit 30 µg/L (at or just above the limit)
|
Jan 1, 2011 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
Measured 38 µg/L, federal limit 30 µg/L (1.3 times the limit)
|
Jan 1, 2011 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
Measured 31 µg/L, federal limit 30 µg/L (at or just above the limit)
|
Oct 1, 2010 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
Measured 34 µg/L, federal limit 30 µg/L (1.1 times the limit)
|
Oct 1, 2010 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
Measured 32 µg/L, federal limit 30 µg/L (1.1 times the limit)
|
Jul 1, 2010 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
Measured 40 µg/L, federal limit 30 µg/L (1.3 times the limit)
|
Jul 1, 2010 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
Measured 32 µg/L, federal limit 30 µg/L (1.1 times the limit)
|
Apr 1, 2010 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
Measured 42 µg/L, federal limit 30 µg/L (1.4 times the limit)
|
Apr 1, 2010 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
Measured 31 µg/L, federal limit 30 µg/L (at or just above the limit)
|
Apr 1, 2010 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
|
Jan 1, 2010 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
Measured 36 µg/L, federal limit 30 µg/L (1.2 times the limit)
|
Jan 1, 2010 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
Measured 33 µg/L, federal limit 30 µg/L (1.1 times the limit)
|
Jan 1, 2010 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
Measured 35 µg/L, federal limit 30 µg/L (1.2 times the limit)
|
Oct 1, 2009 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
|
Oct 1, 2009 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
Measured 34 µg/L, federal limit 30 µg/L (1.1 times the limit)
|
Oct 1, 2009 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
|
Jul 1, 2009 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
Measured 32 µg/L, federal limit 30 µg/L (1.1 times the limit)
|
Jul 1, 2009 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
Measured 34 µg/L, federal limit 30 µg/L (1.1 times the limit)
|
Jul 1, 2009 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
Measured 34 µg/L, federal limit 30 µg/L (1.1 times the limit)
|
Apr 1, 2009 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
Measured 33 µg/L, federal limit 30 µg/L (1.1 times the limit)
|
Jan 1, 2009 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
Measured 33 µg/L, federal limit 30 µg/L (1.1 times the limit)
|
Jan 1, 2009 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
Measured 31 µg/L, federal limit 30 µg/L (at or just above the limit)
|
Oct 1, 2008 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
Measured 32 µg/L, federal limit 30 µg/L (1.1 times the limit)
|
Oct 1, 2008 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
Measured 36 µg/L, federal limit 30 µg/L (1.2 times the limit)
|
Oct 1, 2008 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
Measured 32 µg/L, federal limit 30 µg/L (1.1 times the limit)
|
Jul 1, 2008 | Resolved |
33 older violations are not listed here. EPA ECHO has the complete list.
Enforcement actions
New Mexico regulators took 2 formal enforcement actions against Vista Redonda MDWCA between 2009 and 2016, filed as 4 records in EPA's data. 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) | 9 violations (9 health-based): Gross Alpha, Excl. Radon and U, Combined Uranium |
| Nov 10, 2009 | New Mexico | Compliance order (no penalty) | 84 violations (74 health-based): Combined Uranium, Gross Alpha, Excl. Radon and U |
What the violations mean
Groundwater Rule
8 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.
Where the water comes from
Vista Redonda MDWCA draws water from 6 wells.
Annual water quality report
Vista Redonda 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 Vista Redonda 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