UPPER DES MONTES MDWCA

ARROYO SECO, NM · ~222 people served

Check your exact address → ARROYO SECO overview

100

Excellent

PurityRadar safety score

PWSID

NM3575029

State

New Mexico

City

ARROYO SECO

Population served

222

Primary source

Groundwater

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

265

Violations on record

Unaddressed

Health-based

118

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Oct 2021. Official EPA record →

Other · EPA contaminant 7500 began Dec 2016 Resolved

Monitoring & reporting · Total trihalomethanes (TTHM) began Aug 2016 Resolved

Monitoring & reporting · Haloacetic acids (HAA5) began Aug 2016 Resolved

Monitoring · Lead & Copper Rule began Jun 2016 Resolved

Monitoring & reporting · Lead & Copper Rule began Oct 2014 Resolved

Monitoring & reporting · Total trihalomethanes (TTHM) began Aug 2014 Resolved

Monitoring & reporting · Haloacetic acids (HAA5) began Aug 2014 Resolved

Other · EPA contaminant 7500 began Jan 2014 Resolved

Monitoring & reporting · EPA contaminant 0999 began Oct 2012 Resolved

Other · EPA contaminant 7000 began Oct 2012 Resolved

Monitoring & reporting · EPA contaminant 0999 began Jul 2012 Resolved

Monitoring & reporting · EPA contaminant 0999 began Apr 2012 Resolved

Recent enforcement actions

State action · SOX Oct 2021
State action · SOX Aug 2019
State action · SOX Nov 2018
State action · SIF Dec 2017
State action · SIE Nov 2017
State action · SIA Nov 2017
State action · SOX Oct 2017
State action · SOX Oct 2017

This profile is built from EPA public records for system NM3575029 — 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.