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UPPER DES MONTES MDWCA

New Mexico — Community Water System — PWSID: NM3575029

System Information

PWSIDNM3575029
System NameUPPER DES MONTES 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
CityARROYO SECO
ZIP Code87514
Address—
OrganizationMIERA, ANDY JOSEPH
Phone575-770-6291

Population & Service

Population Served222
Service Connections78

Drinking Water Violations (770)

This water system has 770 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
Dec 18, 2016 — Public Notice Other No No — — — Resolved Oct 5, 2021 Public Notice Rule and Revised PN Rule
Aug 1, 2016 Jul 31, 2017 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jul 31, 2017 Stage 2 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2016 Jul 31, 2017 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jul 31, 2017 Stage 2 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2016 Jul 31, 2017 TTHM MR No Yes — 0.080 mg/L — Resolved Jul 31, 2017 Stage 2 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2016 Jul 31, 2017 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jul 31, 2017 Stage 2 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2016 Jul 31, 2017 TTHM MR No Yes — 0.080 mg/L — Resolved Jul 31, 2017 Stage 2 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2016 Jul 31, 2017 TTHM MR No Yes — 0.080 mg/L — Resolved Jul 31, 2017 Stage 2 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2016 Jul 31, 2017 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jul 31, 2017 Stage 2 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2016 Jul 31, 2017 TTHM MR No Yes — 0.080 mg/L — Resolved Jul 31, 2017 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jun 1, 2016 Jun 30, 2016 Revised Total Coliform Rule MON No Yes — — — Resolved Jun 30, 2016 Revised Total Coliform Rule
Jun 1, 2016 Jun 30, 2016 Revised Total Coliform Rule MON No Yes — — — Resolved Jun 30, 2016 Revised Total Coliform Rule
Jun 1, 2016 Jun 30, 2016 Revised Total Coliform Rule MON No Yes — — — Resolved Jun 30, 2016 Revised Total Coliform Rule
Jun 1, 2016 Jun 30, 2016 Revised Total Coliform Rule MON No Yes — — — Resolved Jun 30, 2016 Revised Total Coliform 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
Aug 1, 2014 Jul 31, 2015 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jul 31, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2014 Jul 31, 2015 TTHM MR No Yes — 0.080 mg/L — Resolved Jul 31, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2014 Jul 31, 2015 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jul 31, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2014 Jul 31, 2015 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jul 31, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2014 Jul 31, 2015 TTHM MR No Yes — 0.080 mg/L — Resolved Jul 31, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2014 Jul 31, 2015 TTHM MR No Yes — 0.080 mg/L — Resolved Jul 31, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 24, 2014 — Public Notice Other No No — — — Resolved Oct 5, 2021 Public Notice Rule and Revised PN Rule
Oct 1, 2012 — Consumer Confidence Rule Other No No — — — Resolved Jun 26, 2013 Consumer Confidence Rule
Oct 1, 2012 — Consumer Confidence Rule Other No No — — — Resolved Jun 26, 2013 Consumer Confidence Rule
Oct 1, 2012 — Consumer Confidence Rule Other No No — — — Resolved Jun 26, 2013 Consumer Confidence Rule
Oct 1, 2012 Dec 31, 2012 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2012 Dec 31, 2012 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2012 Dec 31, 2012 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 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
Feb 8, 2011 — Groundwater Rule TT Yes No — — — Resolved Nov 1, 2018 Ground Water Rule
Jan 1, 2011 Sep 30, 2013 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Sep 30, 2013 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2011 Sep 30, 2013 TTHM MR No Yes — 0.080 mg/L — Resolved Sep 30, 2013 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2011 Sep 30, 2013 TTHM MR No Yes — 0.080 mg/L — Resolved Sep 30, 2013 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2011 Sep 30, 2013 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Sep 30, 2013 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2011 Sep 30, 2013 TTHM MR No Yes — 0.080 mg/L — Resolved Sep 30, 2013 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2011 Sep 30, 2013 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Sep 30, 2013 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2011 Sep 30, 2013 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Sep 30, 2013 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2011 Sep 30, 2013 TTHM MR No Yes — 0.080 mg/L — Resolved Sep 30, 2013 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2010 — Lead and Copper Rule MR No No — TT — Resolved Jul 6, 2011 Lead and Copper Rule
Oct 1, 2010 — Lead and Copper Rule MR No No — TT — Resolved Jul 6, 2011 Lead and Copper Rule
Oct 1, 2010 — Lead and Copper Rule MR No No — TT — Resolved Jul 6, 2011 Lead and Copper Rule
Nov 1, 2009 Nov 30, 2009 Coliform (TCR) MR No No — 5% of samples — Resolved Nov 30, 2009 Total Coliform Rule
Oct 1, 2009 — Consumer Confidence Rule Other No No — — — Resolved Oct 26, 2009 Consumer Confidence Rule
Oct 1, 2009 — Consumer Confidence Rule Other No No — — — Resolved Oct 26, 2009 Consumer Confidence Rule
Feb 1, 2009 Feb 28, 2009 Coliform (TCR) MR No No — 5% of samples — Resolved Feb 28, 2009 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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