Vehicle Safety
Recalls Search 320,000+ NHTSA safety recalls Complaints 2.1M+ consumer safety complaints TSBs 4.7M technical service bulletins VIN Lookup Decode any vehicle VIN instantly OBD Codes 12,000+ diagnostic trouble codes Fuel Economy EPA MPG data for all vehicles Safety Ratings 11,700+ NHTSA crash test ratings Investigations 5,300+ NHTSA defect investigations Statistics Recall trends & safety analysis
Consumer Safety
Product Safety 9,700+ CPSC product recalls Food Safety 28,600+ FDA food recalls Pet Safety 1.3M FDA animal adverse events Drug Safety 17,500+ FDA drug recalls Device Safety 38,400+ FDA device recalls Workplace Safety 102,900+ OSHA injury reports Brand History Cross-category recall lookup by company
Infrastructure
Bridge Safety 624,000 bridge inspections Aviation Safety 30,000+ NTSB aviation events Dam Safety 92,600 dam safety records Water Safety 433,000+ public water systems Railroad Safety 438,000+ rail crossings Pipeline Safety 8,800+ pipeline incidents
Public Health
Nursing Homes 14,700 CMS rated facilities Environmental 80,000+ hazardous sites & releases

COSTILLA MDWCA

New Mexico — Community Water System — PWSID: NM3505929

System Information

PWSIDNM3505929
System NameCOSTILLA 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
CityCOSTILLA
ZIP Code87524
Address—
OrganizationRIVERA, RICHARD
Phone505-586-1271

Population & Service

Population Served244
Service Connections100

Drinking Water Violations (225)

This water system has 225 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, 2025 — Consumer Confidence Rule Other No No — — — Resolved Aug 1, 2025 Consumer Confidence Rule
Jul 1, 2025 — Consumer Confidence Rule Other No No — — — Resolved Aug 1, 2025 Consumer Confidence 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 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
Apr 7, 2024 — Groundwater Rule Other No No — — — Unaddressed — Ground Water Rule
Apr 7, 2024 — Groundwater Rule Other No No — — — Unaddressed — Ground Water Rule
Oct 1, 2023 — Consumer Confidence Rule Other No No — — — Resolved Nov 27, 2023 Consumer Confidence Rule
Oct 1, 2023 — Consumer Confidence Rule Other No No — — — Resolved Nov 27, 2023 Consumer Confidence Rule
Jul 1, 2023 — Consumer Confidence Rule Other No No — — — Resolved Nov 27, 2023 Consumer Confidence Rule
Jul 1, 2023 — Consumer Confidence Rule Other No No — — — Resolved Nov 27, 2023 Consumer Confidence Rule
Dec 31, 2021 — Public Notice Other No No — — — Resolved Mar 2, 2022 Public Notice Rule and Revised PN Rule
Dec 19, 2021 — Public Notice Other No No — — — Resolved Mar 2, 2022 Public Notice Rule and Revised PN Rule
Oct 24, 2021 — Public Notice Other No No — — — Resolved Mar 2, 2022 Public Notice Rule and Revised PN Rule
Oct 6, 2021 — Public Notice Other No No — — — Unaddressed — Public Notice Rule and Revised PN Rule
Oct 1, 2021 — Consumer Confidence Rule Other No No — — — Resolved Mar 2, 2022 Consumer Confidence Rule
Oct 1, 2021 — Consumer Confidence Rule Other No No — — — Resolved Mar 2, 2022 Consumer Confidence Rule
Jul 1, 2021 — Consumer Confidence Rule Other No No — — — Resolved Feb 22, 2022 Consumer Confidence Rule
Jul 1, 2021 — Consumer Confidence Rule Other No No — — — Resolved Feb 22, 2022 Consumer Confidence Rule
Jan 1, 2021 Mar 31, 2021 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2021 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2021 Mar 31, 2021 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2021 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2021 Mar 31, 2021 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2021 Stage 1 Disinfectants and Disinfection Byproducts Rule
Nov 1, 2020 Nov 30, 2020 Revised Total Coliform Rule MON No Yes — — — Resolved Nov 30, 2020 Revised Total Coliform Rule
Nov 1, 2020 Nov 30, 2020 Revised Total Coliform Rule MON No Yes — — — Resolved Nov 30, 2020 Revised Total Coliform Rule
Nov 1, 2020 Nov 30, 2020 Revised Total Coliform Rule MON No Yes — — — Resolved Nov 30, 2020 Revised Total Coliform Rule
Nov 1, 2020 Nov 30, 2020 Revised Total Coliform Rule MON No Yes — — — Resolved Nov 30, 2020 Revised Total Coliform Rule
Oct 1, 2020 Dec 31, 2020 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2020 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2020 Dec 31, 2020 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2020 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2020 Oct 31, 2020 Revised Total Coliform Rule MON No Yes — — — Resolved Oct 31, 2020 Revised Total Coliform Rule
Oct 1, 2020 Oct 31, 2020 Revised Total Coliform Rule MON No Yes — — — Resolved Oct 31, 2020 Revised Total Coliform Rule
Oct 1, 2020 Dec 31, 2020 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2020 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2020 Oct 31, 2020 Revised Total Coliform Rule MON No Yes — — — Resolved Oct 31, 2020 Revised Total Coliform Rule
Oct 1, 2020 Dec 31, 2020 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2020 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2020 Oct 31, 2020 Revised Total Coliform Rule MON No Yes — — — Resolved Oct 31, 2020 Revised Total Coliform Rule
Sep 1, 2020 Sep 30, 2020 Revised Total Coliform Rule MON No Yes — — — Resolved Sep 30, 2020 Revised Total Coliform Rule
Sep 1, 2020 Sep 30, 2020 Revised Total Coliform Rule MON No Yes — — — Resolved Sep 30, 2020 Revised Total Coliform Rule
Sep 1, 2020 Sep 30, 2020 Revised Total Coliform Rule MON No Yes — — — Resolved Sep 30, 2020 Revised Total Coliform Rule
Sep 1, 2020 Sep 30, 2020 Revised Total Coliform Rule MON No Yes — — — Resolved Sep 30, 2020 Revised Total Coliform Rule
Jul 1, 2020 Sep 30, 2020 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2020 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2020 Sep 30, 2020 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2020 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2020 Sep 30, 2020 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2020 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2020 Sep 30, 2020 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2020 Stage 1 Disinfectants and Disinfection Byproducts Rule
Feb 16, 2020 — Public Notice Other No No — — — Resolved Jul 1, 2020 Public Notice Rule and Revised PN Rule
Oct 1, 2019 — Consumer Confidence Rule Other No No — — — Resolved Sep 17, 2020 Consumer Confidence Rule
Oct 1, 2019 — Lead and Copper Rule MR No No — TT — Resolved Sep 21, 2021 Lead and Copper Rule
Oct 1, 2019 — Lead and Copper Rule MR No No — TT — Resolved Sep 21, 2021 Lead and Copper Rule
Oct 1, 2019 — Lead and Copper Rule MR No No — TT — Resolved Sep 21, 2021 Lead and Copper Rule
Oct 1, 2019 — Lead and Copper Rule MR No No — TT — Resolved Sep 21, 2021 Lead and Copper Rule
Oct 1, 2019 — Consumer Confidence Rule Other No No — — — Resolved Sep 17, 2020 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.

Browse All Water Systems Water Safety Stats Water Safety Home
Browse All Water Systems Water Systems in New Mexico