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LLANO QUEMADO MDWCA

New Mexico — Community Water System — PWSID: NM3506329

System Information

PWSIDNM3506329
System NameLLANO QUEMADO 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
CityRANCHOS DE TAOS
ZIP Code87557
Address—
OrganizationCHAVEZ, ANDREW
Phone575-613-3678

Population & Service

Population Served800
Service Connections240

Drinking Water Violations (316)

This water system has 316 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 19, 2021 — Public Notice Other No No — — — Resolved Dec 10, 2021 Public Notice Rule and Revised PN Rule
Jun 1, 2020 Jun 30, 2020 Revised Total Coliform Rule MON No Yes — — — Resolved Jun 30, 2020 Revised Total Coliform Rule
Jun 1, 2020 Jun 30, 2020 Revised Total Coliform Rule MON No Yes — — — Resolved Jun 30, 2020 Revised Total Coliform Rule
Jun 1, 2020 Jun 30, 2020 Revised Total Coliform Rule MON No Yes — — — Resolved Jun 30, 2020 Revised Total Coliform Rule
Jun 1, 2020 Jun 30, 2020 Revised Total Coliform Rule MON No Yes — — — Resolved Jun 30, 2020 Revised Total Coliform Rule
May 1, 2020 May 31, 2020 Revised Total Coliform Rule MON No Yes — — — Resolved May 31, 2020 Revised Total Coliform Rule
May 1, 2020 May 31, 2020 Revised Total Coliform Rule MON No Yes — — — Resolved May 31, 2020 Revised Total Coliform Rule
May 1, 2020 May 31, 2020 Revised Total Coliform Rule MON No Yes — — — Resolved May 31, 2020 Revised Total Coliform Rule
May 1, 2020 May 31, 2020 Revised Total Coliform Rule MON No Yes — — — Resolved May 31, 2020 Revised Total Coliform Rule
Apr 1, 2020 Apr 30, 2020 Revised Total Coliform Rule MON No Yes — — — Resolved Apr 30, 2020 Revised Total Coliform Rule
Apr 1, 2020 — Groundwater Rule Other No No — — — Resolved Apr 16, 2020 Ground Water Rule
Apr 1, 2020 Apr 30, 2020 Revised Total Coliform Rule MON No Yes — — — Resolved Apr 30, 2020 Revised Total Coliform Rule
Apr 1, 2020 Apr 30, 2020 Revised Total Coliform Rule MON No Yes — — — Resolved Apr 30, 2020 Revised Total Coliform Rule
Apr 1, 2020 — Groundwater Rule Other No No — — — Resolved Apr 16, 2020 Ground Water Rule
Apr 1, 2020 Apr 30, 2020 Revised Total Coliform Rule MON No Yes — — — Resolved Apr 30, 2020 Revised Total Coliform Rule
Feb 18, 2020 — Public Notice Other No No — — — Resolved Feb 20, 2020 Public Notice Rule and Revised PN Rule
Jan 1, 2020 Jan 31, 2020 Revised Total Coliform Rule MON No Yes — — — Resolved Jan 31, 2020 Revised Total Coliform Rule
Jan 1, 2020 Jan 31, 2020 Revised Total Coliform Rule MON No Yes — — — Resolved Jan 31, 2020 Revised Total Coliform Rule
Jan 1, 2020 Jan 31, 2020 Revised Total Coliform Rule MON No Yes — — — Resolved Jan 31, 2020 Revised Total Coliform Rule
Oct 16, 2019 — Public Notice Other No No — — — Resolved Feb 12, 2021 Public Notice Rule and Revised PN Rule
Jul 1, 2019 — Consumer Confidence Rule Other No No — — — Resolved Jul 19, 2019 Consumer Confidence Rule
Jul 1, 2019 — Consumer Confidence Rule Other No No — — — Resolved Jul 19, 2019 Consumer Confidence Rule
Mar 30, 2019 — Public Notice Other No No — — — Resolved May 8, 2018 Public Notice Rule and Revised PN Rule
Mar 30, 2019 — Public Notice Other No No — — — Resolved May 8, 2018 Public Notice Rule and Revised PN Rule
Sep 1, 2018 Sep 30, 2018 Revised Total Coliform Rule MON No Yes — — — Resolved Sep 30, 2018 Revised Total Coliform Rule
Sep 1, 2018 Sep 30, 2018 Revised Total Coliform Rule MON No Yes — — — Resolved Sep 30, 2018 Revised Total Coliform Rule
Sep 1, 2018 Sep 30, 2018 Revised Total Coliform Rule MON No Yes — — — Resolved Sep 30, 2018 Revised Total Coliform Rule
Sep 1, 2018 Sep 30, 2018 Revised Total Coliform Rule MON No Yes — — — Resolved Sep 30, 2018 Revised Total Coliform Rule
Jul 1, 2018 Sep 30, 2018 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2018 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2018 Sep 30, 2018 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2018 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2018 Sep 30, 2018 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2018 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2018 Sep 30, 2018 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2018 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2016 Sep 30, 2016 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2016 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2016 Sep 30, 2016 Fluoride MCL Yes No 4.1 MG/L 4.0 mg/L 4 Resolved Sep 30, 2016 Inorganic Chemicals
Jul 1, 2016 Sep 30, 2016 Fluoride MCL Yes No 4.1 MG/L 4.0 mg/L 4 Resolved Sep 30, 2016 Inorganic Chemicals
Jul 1, 2016 Sep 30, 2016 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2016 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2016 Sep 30, 2016 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2016 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2016 Jul 31, 2016 Revised Total Coliform Rule MON No Yes — — — Resolved Jul 31, 2016 Revised Total Coliform Rule
Jul 1, 2016 Sep 30, 2016 Fluoride MCL Yes No 4.1 MG/L 4.0 mg/L 4 Resolved Sep 30, 2016 Inorganic Chemicals
Jul 1, 2016 Jul 31, 2016 Revised Total Coliform Rule MON No Yes — — — Resolved Jul 31, 2016 Revised Total Coliform Rule
Jul 1, 2016 Jul 31, 2016 Revised Total Coliform Rule MON No Yes — — — Resolved Jul 31, 2016 Revised Total Coliform Rule
Jul 1, 2016 Sep 30, 2016 Fluoride MCL Yes No 4.1 MG/L 4.0 mg/L 4 Resolved Sep 30, 2016 Inorganic Chemicals
Jul 1, 2016 Sep 30, 2016 Fluoride MCL Yes No 4.1 MG/L 4.0 mg/L 4 Resolved Sep 30, 2016 Inorganic Chemicals
Jul 1, 2016 Jul 31, 2016 Revised Total Coliform Rule MON No Yes — — — Resolved Jul 31, 2016 Revised Total Coliform Rule
Jul 1, 2016 Sep 30, 2016 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2016 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jun 4, 2016 — Public Notice Other No No — — — Resolved Sep 3, 2021 Public Notice Rule and Revised PN Rule
Jun 2, 2016 — Revised Total Coliform Rule Other No No — — — Resolved Sep 1, 2016 Revised Total Coliform Rule
Jun 2, 2016 — Revised Total Coliform Rule Other No No — — — Resolved Sep 1, 2016 Revised Total Coliform Rule
Jun 2, 2016 — Revised Total Coliform Rule Other No No — — — Resolved Sep 1, 2016 Revised Total Coliform Rule
Jun 2, 2016 — Revised Total Coliform Rule Other No No — — — Resolved Sep 1, 2016 Revised 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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