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SAN YSIDRO WATER SUPPLY SYSTEM

New Mexico — Community Water System — PWSID: NM3509723

System Information

PWSIDNM3509723
System NameSAN YSIDRO WATER SUPPLY 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
CitySAN YSIDRO
ZIP Code87053
Address—
OrganizationMARTINEZ, SHAWNASI
Phone575-834-7398

Population & Service

Population Served166
Service Connections96

Drinking Water Violations (402)

This water system has 402 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 12, 2025 — Groundwater Rule TT Yes No — — — Unaddressed — Ground Water Rule
Jul 12, 2025 — Groundwater Rule TT Yes No — — — Unaddressed — Ground Water Rule
Jul 12, 2025 — Groundwater Rule TT Yes No — — — Unaddressed — Ground Water Rule
Jul 12, 2025 — Groundwater Rule TT Yes No — — — Unaddressed — Ground Water Rule
Oct 17, 2024 — LEAD AND COPPER RULE REVISIONS TT Yes No — — — Unaddressed — Lead and Copper Rule Revisions
Oct 17, 2024 — LEAD AND COPPER RULE REVISIONS TT Yes No — — — Unaddressed — Lead and Copper Rule Revisions
Oct 17, 2024 — LEAD AND COPPER RULE REVISIONS RPT No No — — — Unaddressed — Lead and Copper Rule Revisions
Oct 17, 2024 — LEAD AND COPPER RULE REVISIONS RPT No No — — — Unaddressed — Lead and Copper Rule Revisions
Oct 17, 2024 — LEAD AND COPPER RULE REVISIONS TT Yes No — — — Unaddressed — Lead and Copper Rule Revisions
Oct 17, 2024 — LEAD AND COPPER RULE REVISIONS RPT No No — — — Unaddressed — Lead and Copper Rule Revisions
Jul 1, 2024 Sep 30, 2024 Fluoride MCL Yes No 5 MG/L 4.0 mg/L 4 Resolved Sep 30, 2024 Inorganic Chemicals
Jul 1, 2024 Sep 30, 2024 Fluoride MCL Yes No 5 MG/L 4.0 mg/L 4 Resolved Sep 30, 2024 Inorganic Chemicals
Jul 1, 2024 Sep 30, 2024 Fluoride MCL Yes No 5 MG/L 4.0 mg/L 4 Resolved Sep 30, 2024 Inorganic Chemicals
Jul 1, 2024 Sep 30, 2024 Fluoride MCL Yes No 5 MG/L 4.0 mg/L 4 Resolved Sep 30, 2024 Inorganic Chemicals
Apr 1, 2024 Jun 30, 2024 Fluoride MCL Yes No 5.2 MG/L 4.0 mg/L 4 Resolved Jun 30, 2024 Inorganic Chemicals
Apr 1, 2024 Jun 30, 2024 Fluoride MCL Yes No 5.2 MG/L 4.0 mg/L 4 Resolved Jun 30, 2024 Inorganic Chemicals
Apr 1, 2024 Jun 30, 2024 Fluoride MCL Yes No 5.2 MG/L 4.0 mg/L 4 Resolved Jun 30, 2024 Inorganic Chemicals
Apr 1, 2024 Jun 30, 2024 Fluoride MCL Yes No 5.2 MG/L 4.0 mg/L 4 Resolved Jun 30, 2024 Inorganic Chemicals
Apr 1, 2024 Jun 30, 2024 Fluoride MCL Yes No 5.2 MG/L 4.0 mg/L 4 Resolved Jun 30, 2024 Inorganic Chemicals
Jan 1, 2024 Mar 31, 2024 Fluoride MCL Yes No 5 MG/L 4.0 mg/L 4 Resolved Mar 31, 2024 Inorganic Chemicals
Jan 1, 2024 Mar 31, 2024 Fluoride MCL Yes No 5 MG/L 4.0 mg/L 4 Resolved Mar 31, 2024 Inorganic Chemicals
Jan 1, 2024 Mar 31, 2024 Fluoride MCL Yes No 5 MG/L 4.0 mg/L 4 Resolved Mar 31, 2024 Inorganic Chemicals
Jan 1, 2024 Mar 31, 2024 Fluoride MCL Yes No 5 MG/L 4.0 mg/L 4 Resolved Mar 31, 2024 Inorganic Chemicals
Jan 1, 2024 Mar 31, 2024 Fluoride MCL Yes No 5 MG/L 4.0 mg/L 4 Resolved Mar 31, 2024 Inorganic Chemicals
Nov 1, 2023 Jan 31, 2024 TTHM MR No Yes — 0.080 mg/L — Resolved Jan 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Nov 1, 2023 Jan 31, 2024 TTHM MR No Yes — 0.080 mg/L — Resolved Jan 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Nov 1, 2023 Jan 31, 2024 TTHM MR No Yes — 0.080 mg/L — Resolved Jan 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Nov 1, 2023 Jan 31, 2024 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jan 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Nov 1, 2023 Jan 31, 2024 TTHM MR No Yes — 0.080 mg/L — Resolved Jan 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Nov 1, 2023 Jan 31, 2024 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jan 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Nov 1, 2023 Jan 31, 2024 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jan 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Nov 1, 2023 Jan 31, 2024 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jan 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2023 Dec 31, 2023 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2023 Dec 31, 2023 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2023 Dec 31, 2023 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2023 Dec 31, 2023 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2023 Dec 31, 2023 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2023 Dec 31, 2023 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2023 Dec 31, 2023 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2023 Dec 31, 2023 Fluoride MCL Yes No 4.8 MG/L 4.0 mg/L 4 Resolved Dec 31, 2023 Inorganic Chemicals
Oct 1, 2023 Dec 31, 2023 Fluoride MCL Yes No 4.8 MG/L 4.0 mg/L 4 Resolved Dec 31, 2023 Inorganic Chemicals
Oct 1, 2023 Dec 31, 2023 Fluoride MCL Yes No 4.8 MG/L 4.0 mg/L 4 Resolved Dec 31, 2023 Inorganic Chemicals
Oct 1, 2023 Dec 31, 2023 Fluoride MCL Yes No 4.8 MG/L 4.0 mg/L 4 Resolved Dec 31, 2023 Inorganic Chemicals
Oct 1, 2023 Dec 31, 2023 Fluoride MCL Yes No 4.8 MG/L 4.0 mg/L 4 Resolved Dec 31, 2023 Inorganic Chemicals
Oct 1, 2023 Dec 31, 2023 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2023 Sep 30, 2023 Fluoride MCL Yes No 4.5 MG/L 4.0 mg/L 4 Resolved Sep 30, 2023 Inorganic Chemicals
Jul 1, 2023 Sep 30, 2023 Fluoride MCL Yes No 4.5 MG/L 4.0 mg/L 4 Resolved Sep 30, 2023 Inorganic Chemicals
Jul 1, 2023 Sep 30, 2023 Fluoride MCL Yes No 4.5 MG/L 4.0 mg/L 4 Resolved Sep 30, 2023 Inorganic Chemicals
Jul 1, 2023 Sep 30, 2023 Fluoride MCL Yes No 4.5 MG/L 4.0 mg/L 4 Resolved Sep 30, 2023 Inorganic Chemicals
Jul 1, 2023 Sep 30, 2023 Fluoride MCL Yes No 4.5 MG/L 4.0 mg/L 4 Resolved Sep 30, 2023 Inorganic Chemicals

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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