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SAN CRISTOBAL MDWCA

New Mexico — Community Water System — PWSID: NM3574929

System Information

PWSIDNM3574929
System NameSAN CRISTOBAL MDWCA
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
CitySAN CRISTOBAL
ZIP Code87564
Address—
OrganizationGILROY, JIM
Phone575-776-8450

Population & Service

Population Served165
Service Connections58

Drinking Water Violations (84)

This water system has 84 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
Jul 1, 2021 — Consumer Confidence Rule Other No No — — — Resolved Jul 16, 2021 Consumer Confidence Rule
Jul 1, 2021 — Consumer Confidence Rule Other No No — — — Resolved Jul 16, 2021 Consumer Confidence Rule
Jul 1, 2017 — Consumer Confidence Rule Other No No — — — Resolved Aug 18, 2017 Consumer Confidence Rule
Jul 1, 2017 — Consumer Confidence Rule Other No No — — — Resolved Aug 18, 2017 Consumer Confidence Rule
Mar 19, 2017 — Public Notice Other No No — — — Resolved Jul 20, 2017 Public Notice Rule and Revised PN Rule
Jul 1, 2016 Jun 30, 2017 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jun 30, 2017 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2016 Jun 30, 2017 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jun 30, 2017 Stage 2 Disinfectants and Disinfection Byproducts Rule
Feb 1, 2016 Feb 29, 2016 Coliform (TCR) MR No No — 5% of samples — Resolved Feb 29, 2016 Total Coliform Rule
Feb 1, 2016 Feb 29, 2016 Coliform (TCR) MR No No — 5% of samples — Resolved Feb 29, 2016 Total Coliform Rule
Feb 1, 2016 Feb 29, 2016 Coliform (TCR) MR No No — 5% of samples — Resolved Feb 29, 2016 Total Coliform Rule
Dec 17, 2015 — Public Notice Other No No — — — Resolved Apr 1, 2016 Public Notice Rule and Revised PN Rule
Dec 17, 2015 — Public Notice Other No No — — — Resolved Apr 1, 2016 Public Notice Rule and Revised PN Rule
Dec 17, 2015 — Public Notice Other No No — — — Resolved Apr 1, 2016 Public Notice Rule and Revised PN Rule
Oct 1, 2015 — Lead and Copper Rule MR No No — TT — Resolved Oct 6, 2017 Lead and Copper Rule
Oct 1, 2015 — Lead and Copper Rule MR No No — TT — Resolved Oct 6, 2017 Lead and Copper Rule
Oct 1, 2015 — Lead and Copper Rule MR No No — TT — Resolved Oct 6, 2017 Lead and Copper Rule
Oct 1, 2015 — Lead and Copper Rule MR No No — TT — Resolved Oct 6, 2017 Lead and Copper Rule
Oct 1, 2014 — Lead and Copper Rule MR No No — TT — Resolved Oct 6, 2017 Lead and Copper Rule
Oct 1, 2014 — Lead and Copper Rule MR No No — TT — Resolved Oct 6, 2017 Lead and Copper Rule
Oct 1, 2014 — Lead and Copper Rule MR No No — TT — Resolved Oct 6, 2017 Lead and Copper Rule
Oct 1, 2014 — Lead and Copper Rule MR No No — TT — Resolved Oct 6, 2017 Lead and Copper Rule
Jul 1, 2014 Jun 30, 2015 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jun 30, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2014 Jun 30, 2015 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jun 30, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2014 Jun 30, 2015 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jun 30, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 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 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 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 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 Aug 31, 2014 TTHM MR No Yes — 0.080 mg/L — Resolved Aug 31, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2014 Aug 31, 2014 TTHM MR No Yes — 0.080 mg/L — Resolved Aug 31, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2014 Aug 31, 2014 TTHM MR No Yes — 0.080 mg/L — Resolved Aug 31, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2013 Sep 30, 2013 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 30, 2013 Total Coliform Rule
Sep 1, 2013 Sep 30, 2013 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 30, 2013 Total Coliform Rule
Sep 1, 2013 Sep 30, 2013 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 30, 2013 Total Coliform Rule
Sep 1, 2013 Sep 30, 2013 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 30, 2013 Total Coliform Rule
Sep 1, 2013 Sep 30, 2013 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 30, 2013 Total Coliform Rule
Nov 24, 2012 — Public Notice Other No No — — — Resolved Dec 4, 2012 Public Notice Rule and Revised PN Rule
Nov 1, 2012 Nov 30, 2012 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Nov 30, 2012 Total Coliform Rule
Nov 1, 2012 Nov 30, 2012 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Nov 30, 2012 Total Coliform Rule
Jul 1, 2012 Sep 30, 2012 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2012 Sep 30, 2012 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2012 Sep 30, 2012 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2012 Sep 30, 2012 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2012 Jun 30, 2012 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2012 Jun 30, 2012 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 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
Oct 1, 2011 — Consumer Confidence Rule Other No No — — — Resolved Jul 1, 2013 Consumer Confidence Rule
Oct 1, 2011 — Consumer Confidence Rule Other No No — — — Resolved Jul 1, 2013 Consumer Confidence Rule
Oct 1, 2011 Oct 31, 2011 Coliform (TCR) MR No No — 5% of samples — Resolved Oct 31, 2011 Total Coliform 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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