Public water system record
Llano Quemado MDWCA
Serves an area of Taos County, NM that includes Ranchos de Taos · 800 people served
Federal records show no health-based violations and 15 monitoring/reporting issues for Llano Quemado MDWCA in the last ten years.
System profile
- Health-based violations, last 10 years
- 0
- Resolved
- 0
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 15
Key facts
- Llano Quemado MDWCA draws water from 3 wells.
- Most recent formal enforcement: compliance order (no penalty) by New Mexico, December 2009.
- Record on file since 1984, with 46 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 8 unknown out of 209 service lines.
Check whether Llano Quemado 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.
None since October 2016.
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Public Notice
OTHER
|
Feb 19, 2021 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Jun 1, 2020 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
May 1, 2020 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Apr 1, 2020 | Resolved |
|
Groundwater Rule
OTHER
|
Apr 1, 2020 | Resolved |
|
Public Notice
OTHER
|
Feb 18, 2020 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Jan 1, 2020 | Resolved |
|
Public Notice
OTHER
|
Oct 16, 2019 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2019 | Resolved |
|
Public Notice
OTHER
|
Mar 30, 2019 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Sep 1, 2018 | Resolved |
|
Chlorine
Monitoring and reporting
|
Jul 1, 2018 | Resolved |
|
Public Notice
OTHER
|
Jun 4, 2016 | Resolved |
|
Public Notice
OTHER
|
May 15, 2016 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2015 | Resolved |
Full record since 1984
EPA's records for Llano Quemado MDWCA go back to 1984. Before October 19, 2016 they list 46 health-based violations (45 resolved, 1 archived by EPA without a recorded fix) and 27 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 1 | 0 |
| 1990s | 0 | 4 |
| 2000s | 8 | 9 |
| 2010 to October 18, 2016 | 37 | 14 |
| October 19, 2016 to 2019 | 0 | 5 |
| 2020s | 0 | 7 |
Most recent health-based violation before October 19, 2016: Fluoride, began July 2016, Resolved.
Show all 46 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Fluoride
Contaminant limit exceeded
Measured 4.1 mg/L, federal limit 4 mg/L (at or just above the limit)
|
Jul 1, 2016 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 4.3 mg/L, federal limit 4 mg/L (1.1 times the limit)
|
Apr 1, 2016 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 4.3 mg/L, federal limit 4 mg/L (1.1 times the limit)
|
Jan 1, 2016 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 4.4 mg/L, federal limit 4 mg/L (1.1 times the limit)
|
Oct 1, 2015 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 4.4 mg/L, federal limit 4 mg/L (1.1 times the limit)
|
Jul 1, 2015 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 4.4 mg/L, federal limit 4 mg/L (1.1 times the limit)
|
Apr 1, 2015 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 4.5 mg/L, federal limit 4 mg/L (1.1 times the limit)
|
Jan 1, 2015 | Resolved |
|
Groundwater Rule
Treatment technique failure
|
Nov 6, 2014 | Resolved |
|
Groundwater Rule
Treatment technique failure
|
Nov 6, 2014 | Resolved |
|
Groundwater Rule
Treatment technique failure
|
Nov 6, 2014 | Resolved |
|
Groundwater Rule
Treatment technique failure
|
Nov 6, 2014 | Resolved |
|
Groundwater Rule
Treatment technique failure
|
Nov 6, 2014 | Resolved |
|
Groundwater Rule
Treatment technique failure
|
Nov 6, 2014 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 4.4 mg/L, federal limit 4 mg/L (1.1 times the limit)
|
Oct 1, 2014 | Resolved |
|
Groundwater Rule
Treatment technique failure
|
Aug 11, 2014 | Resolved |
|
Groundwater Rule
Treatment technique failure
|
Aug 11, 2014 | Resolved |
|
Groundwater Rule
Treatment technique failure
|
Aug 11, 2014 | Resolved |
|
Groundwater Rule
Treatment technique failure
|
Aug 11, 2014 | Resolved |
|
Groundwater Rule
Treatment technique failure
|
Aug 11, 2014 | Resolved |
|
Groundwater Rule
Treatment technique failure
|
Aug 11, 2014 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 4.3 mg/L, federal limit 4 mg/L (1.1 times the limit)
|
Jul 1, 2014 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 4.4 mg/L, federal limit 4 mg/L (1.1 times the limit)
|
Apr 1, 2014 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 4.3 mg/L, federal limit 4 mg/L (1.1 times the limit)
|
Jan 1, 2014 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 4.1 mg/L, federal limit 4 mg/L (at or just above the limit)
|
Oct 1, 2013 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 4.1 mg/L, federal limit 4 mg/L (at or just above the limit)
|
Jan 1, 2013 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 4.5 mg/L, federal limit 4 mg/L (1.1 times the limit)
|
Oct 1, 2012 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 4.5 mg/L, federal limit 4 mg/L (1.1 times the limit)
|
Jul 1, 2012 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 4.8 mg/L, federal limit 4 mg/L (1.2 times the limit)
|
Apr 1, 2012 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 4.9 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 4.9 mg/L, federal limit 4 mg/L (1.2 times the limit)
|
Jul 1, 2011 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 4.5 mg/L, federal limit 4 mg/L (1.1 times the limit)
|
Apr 1, 2011 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 4.4 mg/L, federal limit 4 mg/L (1.1 times the limit)
|
Jan 1, 2011 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 4.2 mg/L, federal limit 4 mg/L (1.1 times the limit)
|
Oct 1, 2010 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 4.2 mg/L, federal limit 4 mg/L (1.1 times the limit)
|
Jul 1, 2010 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 4.3 mg/L, federal limit 4 mg/L (1.1 times the limit)
|
Apr 1, 2010 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 4.4 mg/L, federal limit 4 mg/L (1.1 times the limit)
|
Jan 1, 2010 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 4.2 mg/L, federal limit 4 mg/L (1.1 times the limit)
|
Oct 1, 2009 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 4.3 mg/L, federal limit 4 mg/L (1.1 times the limit)
|
Jul 1, 2009 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 4.2 mg/L, federal limit 4 mg/L (1.1 times the limit)
|
Oct 1, 2008 | Resolved |
|
Fluoride
Contaminant limit exceeded
Measured 4.1 mg/L, federal limit 4 mg/L (at or just above 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 4.75 mg/L, federal limit 4 mg/L (1.2 times the limit)
|
Jul 1, 2007 | Resolved |
|
Fluoride
Contaminant limit exceeded
|
Apr 1, 2005 | Resolved |
|
Fluoride
Contaminant limit exceeded
|
Jan 1, 2003 | Resolved |
|
Fluoride
Contaminant limit exceeded
|
Jul 1, 1984 | Archived |
Enforcement actions
New Mexico regulators took 1 formal enforcement action against Llano Quemado MDWCA in 2009. The most recent was a compliance order (no penalty) in December 2009.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Dec 15, 2009 | New Mexico | Compliance order (no penalty) | 37 violations (32 health-based): Fluoride |
Where the water comes from
Llano Quemado MDWCA draws water from 3 wells. 1 other community water system buys water from Llano Quemado MDWCA.
Community systems that buy water from it
- El Valle De Los Ranchos W & SD Ranchos De Taos, NM
Annual water quality report
Llano Quemado 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.
Where the state allows it, systems serving fewer than 10,000 people may publish the report in a local newspaper or news site instead of mailing it, and must provide a copy on request.
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