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OTIS MDWCA

New Mexico — Community Water System — PWSID: NM3521308

System Information

PWSIDNM3521308
System NameOTIS 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
CityCARLSBAD
ZIP Code88221
Address2501 BANNISTER ROAD
OrganizationPACHECO, ROBERT L
Phone575-361-5501

Population & Service

Population Served4,807
Service Connections1,800

Drinking Water Violations (249)

This water system has 249 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
Aug 21, 2025 — Public Notice Other No No — — — Unaddressed — Public Notice Rule and Revised PN Rule
Jun 1, 2025 Jun 30, 2025 Revised Total Coliform Rule MON No Yes — — — Resolved Jun 30, 2025 Revised Total Coliform Rule
Jun 1, 2025 Jun 30, 2025 Revised Total Coliform Rule MON No Yes — — — Resolved Jun 30, 2025 Revised Total Coliform Rule
Jun 1, 2025 Jun 30, 2025 Revised Total Coliform Rule MON No Yes — — — Resolved Jun 30, 2025 Revised Total Coliform Rule
Jun 1, 2025 Jun 30, 2025 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2025 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jun 1, 2025 Jun 30, 2025 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2025 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jun 1, 2025 Jun 30, 2025 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2025 Stage 1 Disinfectants and Disinfection Byproducts Rule
Mar 1, 2025 Mar 31, 2025 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2025 Stage 1 Disinfectants and Disinfection Byproducts Rule
Mar 1, 2025 Mar 31, 2025 Revised Total Coliform Rule MON No Yes — — — Resolved Mar 31, 2025 Revised Total Coliform Rule
Mar 1, 2025 Mar 31, 2025 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2025 Stage 1 Disinfectants and Disinfection Byproducts Rule
Mar 1, 2025 Mar 31, 2025 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2025 Stage 1 Disinfectants and Disinfection Byproducts Rule
Mar 1, 2025 Mar 31, 2025 Revised Total Coliform Rule MON No Yes — — — Resolved Mar 31, 2025 Revised Total Coliform Rule
Mar 1, 2025 Mar 31, 2025 Revised Total Coliform Rule MON No Yes — — — Resolved Mar 31, 2025 Revised Total Coliform Rule
Feb 7, 2025 — Public Notice Other No No — — — Unaddressed — Public Notice Rule and Revised PN Rule
Oct 20, 2024 — Public Notice Other No No — — — Unaddressed — Public Notice Rule and Revised PN Rule
Oct 20, 2024 — Public Notice Other No No — — — Unaddressed — Public Notice Rule and Revised PN Rule
Oct 1, 2024 — Consumer Confidence Rule Other No No — — — Unaddressed — Consumer Confidence Rule
Jul 1, 2024 — Consumer Confidence Rule Other No No — — — Resolved Jul 9, 2025 Consumer Confidence Rule
Jul 1, 2024 — Consumer Confidence Rule Other No No — — — Resolved Jul 9, 2025 Consumer Confidence Rule
Dec 1, 2023 Dec 31, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Dec 31, 2023 Revised Total Coliform Rule
Dec 1, 2023 Dec 31, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Dec 31, 2023 Revised Total Coliform Rule
Dec 1, 2023 Dec 31, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Dec 31, 2023 Revised Total Coliform Rule
Oct 1, 2023 Dec 31, 2023 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2023 Dec 31, 2023 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2023 Dec 31, 2023 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2023 — Lead and Copper Rule MR No No — TT — Resolved Sep 30, 2024 Lead and Copper Rule
Oct 1, 2023 — Lead and Copper Rule MR No No — TT — Resolved Sep 30, 2024 Lead and Copper Rule
Oct 1, 2023 — Consumer Confidence Rule Other No No — — — Unaddressed — Consumer Confidence Rule
Oct 1, 2023 — Lead and Copper Rule MR No No — TT — Resolved Sep 30, 2024 Lead and Copper Rule
Sep 14, 2023 — Public Notice Other No No — — — Unaddressed — Public Notice Rule and Revised PN Rule
Jul 1, 2023 — Consumer Confidence Rule Other No No — — — Resolved Jul 9, 2025 Consumer Confidence Rule
Jul 1, 2023 — Consumer Confidence Rule Other No No — — — Resolved Jul 9, 2025 Consumer Confidence Rule
May 1, 2023 May 31, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved May 31, 2023 Revised Total Coliform Rule
May 1, 2023 May 31, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved May 31, 2023 Revised Total Coliform Rule
May 1, 2023 May 31, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved May 31, 2023 Revised Total Coliform Rule
Apr 1, 2023 Jun 30, 2023 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2023 Jun 30, 2023 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2023 Jun 30, 2023 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
Feb 18, 2023 — Public Notice Other No No — — — Resolved Jul 18, 2023 Public Notice Rule and Revised PN Rule
Nov 18, 2022 — Public Notice Other No No — — — Resolved Jul 18, 2023 Public Notice Rule and Revised PN Rule
Oct 1, 2022 — Consumer Confidence Rule Other No No — — — Resolved Mar 5, 2025 Consumer Confidence Rule
Oct 1, 2022 — Consumer Confidence Rule Other No No — — — Resolved Mar 5, 2025 Consumer Confidence Rule
Sep 1, 2022 Aug 31, 2023 TTHM MR No Yes — 0.080 mg/L — Resolved Aug 31, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2022 Aug 31, 2023 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 31, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2022 Aug 31, 2023 TTHM MR No Yes — 0.080 mg/L — Resolved Aug 31, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2022 Aug 31, 2023 TTHM MR No Yes — 0.080 mg/L — Resolved Aug 31, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2022 Aug 31, 2023 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 31, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2022 Aug 31, 2023 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 31, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2022 — Consumer Confidence Rule Other No No — — — Resolved Jan 5, 2023 Consumer Confidence Rule
Jul 1, 2022 — Consumer Confidence Rule Other No No — — — Resolved Jan 5, 2023 Consumer Confidence 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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