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LOS ALAMOS MUNICIPAL WATER SYSTEM

New Mexico — Community Water System — PWSID: NM3500115

System Information

PWSIDNM3500115
System NameLOS ALAMOS MUNICIPAL WATER SYSTEM
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypeLocal
EPA Region06
Serves SchoolNo
WholesalerNo
First ReportedMar 12, 1980
Last ReportedDec 3, 2025

Location & Contact

StateNew Mexico
CityLOS ALAMOS
ZIP Code87544
Address—
OrganizationGOMEZ, DAVID
Phone505-662-8157

Population & Service

Population Served25,000
Service Connections7,000

Drinking Water Violations (65)

This water system has 65 violations recorded in the EPA SDWIS database.

Begin Date End Date Contaminant Category Health-Based Major Measured Federal MCL State MCL Status Return to Compliance Rule
Feb 1, 2016 — Public Notice Other No No — — — Resolved Feb 3, 2016 Public Notice Rule and Revised PN Rule
Oct 1, 2014 Dec 31, 2014 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2014 Dec 31, 2014 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2014 — Lead and Copper Rule MR No No — TT — Resolved Jun 10, 2015 Lead and Copper Rule
Oct 1, 2014 Dec 31, 2014 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2014 Dec 31, 2014 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2014 Dec 31, 2014 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2014 Dec 31, 2014 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2014 — Lead and Copper Rule MR No No — TT — Resolved Jun 10, 2015 Lead and Copper Rule
Oct 1, 2014 — Lead and Copper Rule MR No No — TT — Resolved Jun 10, 2015 Lead and Copper Rule
Oct 1, 2014 — Lead and Copper Rule MR No No — TT — Resolved Jun 10, 2015 Lead and Copper Rule
Oct 1, 2014 Dec 31, 2014 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2014 Dec 31, 2014 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2014 Sep 30, 2014 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Sep 30, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2014 Sep 30, 2014 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Sep 30, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2014 Sep 30, 2014 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Sep 30, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2014 Sep 30, 2014 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Sep 30, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2014 Sep 30, 2014 TTHM MR No Yes — 0.080 mg/L — Resolved Sep 30, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2014 Sep 30, 2014 TTHM MR No Yes — 0.080 mg/L — Resolved Sep 30, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2014 Sep 30, 2014 TTHM MR No Yes — 0.080 mg/L — Resolved Sep 30, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2014 Sep 30, 2014 TTHM MR No Yes — 0.080 mg/L — Resolved Sep 30, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2014 — Consumer Confidence Rule Other No No — — — Resolved Aug 28, 2014 Consumer Confidence Rule
Jul 1, 2014 — Consumer Confidence Rule Other No No — — — Resolved Aug 28, 2014 Consumer Confidence Rule
Apr 1, 2014 Jun 30, 2014 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jun 30, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2014 Jun 30, 2014 TTHM MR No Yes — 0.080 mg/L — Resolved Jun 30, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2014 Jun 30, 2014 TTHM MR No Yes — 0.080 mg/L — Resolved Jun 30, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2014 Jun 30, 2014 TTHM MR No Yes — 0.080 mg/L — Resolved Jun 30, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2014 Jun 30, 2014 TTHM MR No Yes — 0.080 mg/L — Resolved Jun 30, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2014 Jun 30, 2014 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jun 30, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2014 Jun 30, 2014 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jun 30, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2014 Jun 30, 2014 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jun 30, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2014 Mar 31, 2014 TTHM MR No Yes — 0.080 mg/L — Resolved Mar 31, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2014 Mar 31, 2014 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Mar 31, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2014 Mar 31, 2014 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Mar 31, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2014 Mar 31, 2014 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Mar 31, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2014 Mar 31, 2014 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Mar 31, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2014 Mar 31, 2014 TTHM MR No Yes — 0.080 mg/L — Resolved Mar 31, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2014 Mar 31, 2014 TTHM MR No Yes — 0.080 mg/L — Resolved Mar 31, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2014 Mar 31, 2014 TTHM MR No Yes — 0.080 mg/L — Resolved Mar 31, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2013 Dec 31, 2013 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2013 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2013 Dec 31, 2013 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2013 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2013 Dec 31, 2013 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2013 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2013 Dec 31, 2013 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2013 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2013 Dec 31, 2013 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2013 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2013 Dec 31, 2013 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2013 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2013 Dec 31, 2013 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2013 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2013 Dec 31, 2013 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2013 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2012 Mar 31, 2012 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2012 Mar 31, 2012 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2012 Mar 31, 2012 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule

About This Water System

Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.

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