LOS ALAMOS, NM · Los Alamos County
LOS ALAMOS MUNICIPAL WATER SYSTEM Water System
Current status
No open violations on record as of July 4, 2026.
This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace New Mexico’s official records. Always confirm current status with New Mexico before making decisions based on this information.
System facts
- System ID (PWSID)
- NM3500115
- System type
- Community Water System
- Population served
- 25,000
- Service connections
- 7,000
- Ownership
- local government
- Water source
- groundwater (wells)
Violation history
Public Notification Violation for NPDWR Violation
—Public Notice
February 1, 2016 – February 3, 2016
ResolvedFollow-up Or Routine LCR Tap M/R
—Lead and Copper Rule
October 1, 2014 – June 10, 2015
ResolvedMonitoring and Reporting (DBP)
—TTHM
October 1, 2014 – December 31, 2014
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
October 1, 2014 – December 31, 2014
ResolvedMonitoring and Reporting (DBP)
—TTHM
July 1, 2014 – September 30, 2014
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2014 – August 28, 2014
ResolvedMonitoring and Reporting (DBP)
—TTHM
April 1, 2014 – June 30, 2014
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
April 1, 2014 – June 30, 2014
ResolvedMonitoring and Reporting (DBP)
—TTHM
January 1, 2014 – March 31, 2014
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
January 1, 2014 – March 31, 2014
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
October 1, 2013 – December 31, 2013
ResolvedMonitoring and Reporting (DBP)
—TTHM
October 1, 2013 – December 31, 2013
ResolvedConsumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
October 1, 2011 – October 26, 2011
ResolvedMonitoring, Regular
—Fluoride
July 1, 1981 – June 30, 1984
ArchivedMonitoring, Regular
—Fluoride
July 1, 1980 – June 30, 1983
Archived
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| February 1, 2016 – February 3, 2016 | Public Notification Violation for NPDWR Violation | Public Notice | — | Resolved |
| October 1, 2014 – June 10, 2015 | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | — | Resolved |
| October 1, 2014 – December 31, 2014 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| October 1, 2014 – December 31, 2014 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| July 1, 2014 – September 30, 2014 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| July 1, 2014 – August 28, 2014 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| April 1, 2014 – June 30, 2014 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| April 1, 2014 – June 30, 2014 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| January 1, 2014 – March 31, 2014 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| January 1, 2014 – March 31, 2014 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| October 1, 2013 – December 31, 2013 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| October 1, 2013 – December 31, 2013 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| October 1, 2011 – October 26, 2011 | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | — | Resolved |
| July 1, 1981 – June 30, 1984 | Monitoring, Regular | Fluoride | — | Archived |
| July 1, 1980 – June 30, 1983 | Monitoring, Regular | Fluoride | — | Archived |
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- February 25, 2015State Public Notification requested13 linked violations
- February 12, 2015State Public Notification requested2 linked violations
- July 4, 2006State Compliance achieved7 linked violations
Contact
GOMEZ, DAVID
505-662-8157
LOS ALAMOS, NM 87544