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ARROYO SECO MDWCA

New Mexico — Community Water System — PWSID: NM3505529

System Information

PWSIDNM3505529
System NameARROYO SECO 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—
OrganizationCHACON, MAYA
Phone575-770-6722

Population & Service

Population Served444
Service Connections182

Drinking Water Violations (152)

This water system has 152 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 Jul 18, 2025 Consumer Confidence Rule
Jul 1, 2025 — Consumer Confidence Rule Other No No — — — Resolved Jul 18, 2025 Consumer Confidence Rule
Oct 17, 2024 — LEAD AND COPPER RULE REVISIONS TT Yes No — — — Resolved May 20, 2025 Lead and Copper Rule Revisions
Oct 17, 2024 — LEAD AND COPPER RULE REVISIONS RPT No No — — — Resolved May 20, 2025 Lead and Copper Rule Revisions
Oct 17, 2024 — LEAD AND COPPER RULE REVISIONS TT Yes No — — — Resolved May 20, 2025 Lead and Copper Rule Revisions
Oct 17, 2024 — LEAD AND COPPER RULE REVISIONS RPT No No — — — Resolved May 20, 2025 Lead and Copper Rule Revisions
Oct 17, 2024 — LEAD AND COPPER RULE REVISIONS RPT No No — — — Resolved May 20, 2025 Lead and Copper Rule Revisions
Oct 17, 2024 — LEAD AND COPPER RULE REVISIONS TT Yes No — — — Resolved May 20, 2025 Lead and Copper Rule Revisions
Oct 1, 2024 — Consumer Confidence Rule Other No No — — — Resolved Aug 10, 2025 Consumer Confidence Rule
Oct 1, 2024 — Consumer Confidence Rule Other No No — — — Resolved Aug 10, 2025 Consumer Confidence Rule
Jul 1, 2024 — Consumer Confidence Rule Other No No — — — Resolved Jul 18, 2025 Consumer Confidence Rule
Jul 1, 2024 — Consumer Confidence Rule Other No No — — — Resolved Jul 18, 2025 Consumer Confidence Rule
Sep 1, 2022 Aug 31, 2023 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Archived 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 — Archived Aug 31, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2022 Aug 31, 2023 TTHM MR No Yes — 0.080 mg/L — Archived Aug 31, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2022 Aug 31, 2023 TTHM MR No Yes — 0.080 mg/L — Archived Aug 31, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2021 Aug 31, 2022 TTHM MR No Yes — 0.080 mg/L — Archived Aug 31, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2021 Aug 31, 2022 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Archived Aug 31, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2021 Aug 31, 2022 TTHM MR No Yes — 0.080 mg/L — Archived Aug 31, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2021 Aug 31, 2022 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Archived Aug 31, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2021 — Consumer Confidence Rule Other No No — — — Resolved Aug 9, 2021 Consumer Confidence Rule
Jul 1, 2021 — Consumer Confidence Rule Other No No — — — Resolved Aug 9, 2021 Consumer Confidence Rule
Oct 1, 2020 — Consumer Confidence Rule Other No No — — — Resolved Oct 22, 2024 Consumer Confidence Rule
Oct 1, 2020 — Consumer Confidence Rule Other No No — — — Resolved Oct 22, 2024 Consumer Confidence Rule
Jul 1, 2020 — Consumer Confidence Rule Other No No — — — Resolved Aug 9, 2021 Consumer Confidence Rule
Jul 1, 2020 — Consumer Confidence Rule Other No No — — — Resolved Aug 9, 2021 Consumer Confidence Rule
Oct 1, 2019 — Consumer Confidence Rule Other No No — — — Resolved Oct 9, 2019 Consumer Confidence Rule
Oct 1, 2019 — Consumer Confidence Rule Other No No — — — Resolved Oct 9, 2019 Consumer Confidence Rule
Jul 1, 2019 — Consumer Confidence Rule Other No No — — — Resolved Oct 9, 2019 Consumer Confidence Rule
Jul 1, 2019 — Consumer Confidence Rule Other No No — — — Resolved Oct 9, 2019 Consumer Confidence Rule
Oct 1, 2015 — Lead and Copper Rule MR No No — TT — Resolved Jan 13, 2017 Lead and Copper Rule
Oct 1, 2015 — Lead and Copper Rule MR No No — TT — Resolved Jan 13, 2017 Lead and Copper Rule
Oct 1, 2015 — Lead and Copper Rule MR No No — TT — Resolved Jan 13, 2017 Lead and Copper Rule
Oct 1, 2015 — Lead and Copper Rule MR No No — TT — Resolved Jan 13, 2017 Lead and Copper Rule
Sep 1, 2014 Aug 31, 2015 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 31, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2014 Aug 31, 2015 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 31, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2014 Aug 31, 2015 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 31, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2014 Aug 31, 2015 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 31, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2014 Aug 31, 2015 TTHM MR No Yes — 0.080 mg/L — Resolved Aug 31, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2014 Aug 31, 2015 TTHM MR No Yes — 0.080 mg/L — Resolved Aug 31, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2014 Aug 31, 2015 TTHM MR No Yes — 0.080 mg/L — Resolved Aug 31, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2014 Aug 31, 2015 TTHM MR No Yes — 0.080 mg/L — Resolved Aug 31, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2014 Jul 31, 2014 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jul 31, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2014 Jul 31, 2014 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jul 31, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2014 Jul 31, 2014 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jul 31, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2014 Jul 31, 2014 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jul 31, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2014 Jul 31, 2014 TTHM MR No Yes — 0.080 mg/L — Resolved Jul 31, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2014 Jul 31, 2014 TTHM MR No Yes — 0.080 mg/L — Resolved Jul 31, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2014 Jul 31, 2014 TTHM MR No Yes — 0.080 mg/L — Resolved Jul 31, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2014 Jul 31, 2014 TTHM MR No Yes — 0.080 mg/L — Resolved Jul 31, 2014 Stage 2 Disinfectants and Disinfection Byproducts 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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