Public water system record
Espanola Water System
Serves Española, Rio Arriba County and Santa Fe County, NM · 12,012 people served
Federal records show 5 health-based violations and 18 monitoring/reporting issues for Espanola Water System in the last ten years. The most serious issue in this window was a resolved LEAD AND COPPER RULE REVISIONS violation.
System profile
- Health-based violations, last 10 years
- 5
- Resolved
- 5
- Unresolved
- 0
- Any acute record
- Yes
- Monitoring issues, last 10 years
- 18
Key facts
- Espanola Water System draws water from 5 wells.
- Highest measured level in the last 10 years: Arsenic, 0.011 mg/L, federal limit 0.01 mg/L (1.1 times the limit), 2018.
- Most recent formal enforcement: compliance order (no penalty) by New Mexico, September 2010.
- Record on file since 1982, with 54 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 3,818 unknown out of 3,818 service lines.
Check whether Espanola Water System 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 | Resolved | No |
|
Nitrate-Nitrite
Contaminant limit exceeded
|
330 | Oct 1, 2018 | Resolved | Yes |
|
Arsenic
Contaminant limit exceeded
Measured 0.011 mg/L, federal limit 0.01 mg/L (1.1 times the limit)
|
330 | Jul 1, 2018 | Resolved | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Mar 10, 2016 | Resolved | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Mar 10, 2016 | 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 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Oct 1, 2024 | Resolved |
|
Public Notice
OTHER
|
Nov 19, 2020 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Jan 1, 2020 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Oct 1, 2019 | Resolved |
|
Public Notice
OTHER
|
Jan 11, 2019 | Resolved |
|
Public Notice
OTHER
|
Jul 26, 2018 | Resolved |
|
Public Notice
OTHER
|
Jun 23, 2018 | Resolved |
|
Public Notice
OTHER
|
Jun 3, 2018 | Resolved |
|
Public Notice
OTHER
|
Dec 13, 2017 | Resolved |
|
Public Notice
OTHER
|
Dec 7, 2017 | Active |
|
Public Notice
OTHER
|
Nov 19, 2017 | Resolved |
|
Public Notice
OTHER
|
Apr 20, 2017 | Resolved |
|
Public Notice
OTHER
|
Jan 24, 2017 | Resolved |
|
Public Notice
OTHER
|
Jan 24, 2017 | Resolved |
|
Public Notice
OTHER
|
Jan 24, 2017 | Resolved |
|
Public Notice
OTHER
|
Jun 13, 2015 | Resolved |
|
Public Notice
OTHER
|
Jan 25, 2015 | Resolved |
Full record since 1982
EPA's records for Espanola Water System go back to 1982. Before October 19, 2016 they list 54 health-based violations (53 resolved, 1 archived by EPA without a recorded fix) and 217 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 1 | 0 |
| 1990s | 1 | 2 |
| 2000s | 35 | 169 |
| 2010 to October 18, 2016 | 17 | 46 |
| October 19, 2016 to 2019 | 2 | 12 |
| 2020s | 1 | 4 |
Most recent health-based violation before October 19, 2016: Arsenic, began April 2016, Resolved.
Show all 54 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Arsenic
Contaminant limit exceeded
Measured 0.011 mg/L, federal limit 0.01 mg/L (1.1 times the limit)
|
Apr 1, 2016 | Resolved |
|
Groundwater Rule
Treatment technique failure
|
Mar 10, 2016 | Resolved |
|
Groundwater Rule
Treatment technique failure
|
Mar 10, 2016 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.013 mg/L, federal limit 0.01 mg/L (1.3 times the limit)
|
Jan 1, 2016 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.015 mg/L, federal limit 0.01 mg/L (1.5 times the limit)
|
Oct 1, 2015 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.012 mg/L, federal limit 0.01 mg/L (1.2 times the limit)
|
Jul 1, 2015 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.011 mg/L, federal limit 0.01 mg/L (1.1 times the limit)
|
Jul 1, 2014 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.012 mg/L, federal limit 0.01 mg/L (1.2 times the limit)
|
Jul 1, 2013 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.014 mg/L, federal limit 0.01 mg/L (1.4 times the limit)
|
Jan 1, 2012 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.014 mg/L, federal limit 0.01 mg/L (1.4 times the limit)
|
Oct 1, 2011 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.014 mg/L, federal limit 0.01 mg/L (1.4 times the limit)
|
Jul 1, 2011 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
Measured 66 µg/L, federal limit 30 µg/L (2.2 times the limit)
|
Jul 1, 2010 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
Measured 77 µg/L, federal limit 30 µg/L (2.6 times the limit)
|
Jul 1, 2010 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
Measured 77 µg/L, federal limit 30 µg/L (2.6 times the limit)
|
Apr 1, 2010 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
Measured 91 µg/L, federal limit 30 µg/L (3 times the limit)
|
Apr 1, 2010 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
Measured 77 µg/L, federal limit 30 µg/L (2.6 times the limit)
|
Jan 1, 2010 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
Measured 91 µg/L, federal limit 30 µg/L (3 times the limit)
|
Jan 1, 2010 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
Measured 79 µg/L, federal limit 30 µg/L (2.6 times the limit)
|
Oct 1, 2009 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
Measured 91 µg/L, federal limit 30 µg/L (3 times the limit)
|
Oct 1, 2009 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
Measured 92 µg/L, federal limit 30 µg/L (3.1 times the limit)
|
Jul 1, 2009 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
Measured 81 µg/L, federal limit 30 µg/L (2.7 times the limit)
|
Jul 1, 2009 | Resolved |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 25 pCi/L, federal limit 15 pCi/L (1.7 times the limit)
|
Apr 1, 2009 | Resolved |
|
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, 2009 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
Measured 81 µg/L, federal limit 30 µg/L (2.7 times the limit)
|
Apr 1, 2009 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
Measured 90 µg/L, federal limit 30 µg/L (3 times the limit)
|
Apr 1, 2009 | Resolved |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 25 pCi/L, federal limit 15 pCi/L (1.7 times the limit)
|
Jan 1, 2009 | Resolved |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 24 pCi/L, federal limit 15 pCi/L (1.6 times the limit)
|
Jan 1, 2009 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
Measured 83 µg/L, federal limit 30 µg/L (2.8 times the limit)
|
Jan 1, 2009 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
Measured 87 µg/L, federal limit 30 µg/L (2.9 times the limit)
|
Jan 1, 2009 | Resolved |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 25 pCi/L, federal limit 15 pCi/L (1.7 times the limit)
|
Oct 1, 2008 | 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, 2008 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
Measured 85 µg/L, federal limit 30 µg/L (2.8 times the limit)
|
Oct 1, 2008 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
Measured 86 µg/L, federal limit 30 µg/L (2.9 times the limit)
|
Oct 1, 2008 | 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, 2008 | 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, 2008 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
Measured 85 µg/L, federal limit 30 µg/L (2.8 times the limit)
|
Jul 1, 2008 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
Measured 86 µg/L, federal limit 30 µg/L (2.9 times the limit)
|
Jul 1, 2008 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
Measured 73 µg/L, federal limit 30 µg/L (2.4 times the limit)
|
Apr 1, 2008 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
Measured 94 µg/L, federal limit 30 µg/L (3.1 times the limit)
|
Apr 1, 2008 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
Measured 69 µg/L, federal limit 30 µg/L (2.3 times the limit)
|
Jan 1, 2008 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
Measured 100 µg/L, federal limit 30 µg/L (3.3 times the limit)
|
Jan 1, 2008 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
Measured 68 µg/L, federal limit 30 µg/L (2.3 times the limit)
|
Oct 1, 2007 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
Measured 100 µg/L, federal limit 30 µg/L (3.3 times the limit)
|
Oct 1, 2007 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
Measured 68 µg/L, federal limit 30 µg/L (2.3 times the limit)
|
Jul 1, 2007 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
Measured 100 µg/L, federal limit 30 µg/L (3.3 times the limit)
|
Jul 1, 2007 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
Measured 87 µg/L, federal limit 30 µg/L (2.9 times the limit)
|
Apr 1, 2007 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
Measured 87 µg/L, federal limit 30 µg/L (2.9 times the limit)
|
Apr 1, 2007 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
Measured 87 µg/L, federal limit 30 µg/L (2.9 times the limit)
|
Jan 1, 2007 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
Measured 87 µg/L, federal limit 30 µg/L (2.9 times the limit)
|
Jan 1, 2007 | Resolved |
|
Fluoride
Contaminant limit exceeded
|
Jan 1, 2005 | Resolved |
4 older violations are not listed here. EPA ECHO has the complete list.
Enforcement actions
New Mexico regulators took 1 formal enforcement action against Espanola Water System in 2010, filed as 2 records in EPA's data. The most recent was a compliance order (no penalty) in September 2010.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Sep 1, 2010 | New Mexico | Compliance order (no penalty) | 34 violations (34 health-based): Gross Alpha, Excl. Radon and U, Combined Uranium |
What the violations mean
Groundwater Rule
2 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.
Nitrate-Nitrite
1 incidentTest results for Nitrate-Nitrite were above the federal limit (a maximum contaminant level violation).
The utility had to notify customers about this violation.
Arsenic
1 incidentArsenic exceeded the federal limit
Long-term arsenic exposure is linked to cancer and cardiovascular effects
Where the water comes from
Espanola Water System draws water from 5 wells. 1 other community water system buys water from Espanola Water System.
Community systems that buy water from it
- Cuatro Villas MDWCA Santa Cruz, NM
Annual water quality report
Espanola Water System 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 10,000 or more people must mail or deliver the report to every customer, and from 2027 they must send it twice a year.
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