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Water system · PWSID NM3573725

BIG MESA WATER MDWCA

CONCHAS DAM, NM · ~250 people served

Check your exact address → CONCHAS DAM overview
100
Excellent
PurityRadar safety score

PWSID

NM3573725

State

New Mexico

City

CONCHAS DAM

Population served

250

Primary source

Surface water

Score history

No change since tracking began Jun 18, 2026.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 100

2 score updates logged since tracking began Jun 18, 2026. Each future EPA re-score adds a point.

PFAS & contaminant readings

No PFAS detections are on record for this system from EPA’s UCMR5 monitoring (2023–25). Absence of a detection isn’t a guarantee — not every system was sampled, and this dataset doesn’t cover other contaminants.

Violations & enforcement

85

Violations on record

0

Unaddressed

18

Health-based

196

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Sep 2024. Official EPA record →

Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jan 2024 Resolved
Monitoring & reporting · Lead & Copper Rule began Oct 2023 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2022 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2022 Resolved
Monitoring & reporting · EPA contaminant 1094 began Jan 2020 Resolved
Other · EPA contaminant 7500 began Apr 2018 Resolved
Monitoring & reporting · Lead & Copper Rule began Dec 2017 Resolved
Monitoring & reporting · EPA contaminant 0300 began Oct 2017 Resolved
Monitoring & reporting · EPA contaminant 0200 began Oct 2017 Resolved
Other · EPA contaminant 7500 began Jul 2017 Resolved
Other · EPA contaminant 7500 began Jul 2017 Resolved
Monitoring & reporting · EPA contaminant 0300 began May 2017 Resolved

Recent enforcement actions

  • State action · SIF Sep 2024
  • State action · SOX Sep 2024
  • State action · SOX Jun 2024
  • State action · SIF May 2024
  • State action · SIE May 2024
  • State action · SIA May 2024
  • State action · SIA Apr 2024
  • State action · SIE Apr 2024

This profile is built from EPA public records for system NM3573725 — SDWIS violations and UCMR5 PFAS sampling. The score is system-level and can’t account for your home’s plumbing (older pipes can add lead at the tap). For health decisions, check your exact address, read the utility’s Consumer Confidence Report, and confirm with your provider.