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Water system · PWSID NM3527920

SAN JON WATER SUPPLY

SAN JON, NM · ~360 people served

Check your exact address → SAN JON overview
100
Excellent
PurityRadar safety score

PWSID

NM3527920

State

New Mexico

City

SAN JON

Population served

360

Primary source

GWP

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

29

Violations on record

0

Unaddressed

18

Health-based

62

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Jul 2025. Official EPA record →

Other · EPA contaminant 7500 began Apr 2005 Resolved
Other · EPA contaminant 7000 began Jul 2004 Resolved
Max contaminant level (MCL) · Fluoride health-based began Jul 2004 Resolved
Max contaminant level (MCL) · Fluoride health-based began Apr 2004 Resolved
Max contaminant level (MCL) · Fluoride health-based began Oct 2003 Resolved
Max contaminant level (MCL) · Fluoride health-based began Jul 2003 Resolved
Monitoring & reporting · Total coliform began Jul 2003 Resolved
Max contaminant level (MCL) · Fluoride health-based began Apr 2003 Resolved
Max contaminant level (MCL) · Fluoride health-based began Jan 2003 Resolved
Max contaminant level (MCL) · Fluoride health-based began Oct 2002 Resolved
Max contaminant level (MCL) · Fluoride health-based began Jul 2002 Resolved
Max contaminant level (MCL) · Fluoride health-based began Apr 2002 Resolved

Recent enforcement actions

  • State action · SIA Jul 2025
  • State action · SO0 Jul 2023
  • State action · SOX Aug 2012
  • State action · SOX Nov 2011
  • State action · SOX Oct 2010
  • State action · SIF Apr 2006
  • State action · SIF Apr 2006
  • State action · SIE Feb 2006

This profile is built from EPA public records for system NM3527920 — 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.