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Water system · PWSID CO0108501

MT PRINCETON HOA

NATHROP, CO · ~79 people served

Check your exact address → NATHROP overview
100
Excellent
PurityRadar safety score

PWSID

CO0108501

State

Colorado

City

NATHROP

Population served

79

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

12

Violations on record

0

Unaddressed

2

Health-based

37

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Feb 2026. Official EPA record →

Monitoring & reporting · Fluoride began Jan 2025 Resolved
Monitoring · Lead & Copper Rule began Jan 2019 Resolved
Monitoring & reporting · Fluoride began Jan 2014 Resolved
Max contaminant level (MCL) · Fluoride health-based began Jan 2011 Resolved
Monitoring & reporting · Total coliform began Sep 2009 Resolved
Max contaminant level (MCL) · Total coliform health-based began Aug 2009 Resolved
Monitoring & reporting · EPA contaminant 0999 began Jul 2009 Resolved
Monitoring & reporting · Fluoride began Jan 2009 Resolved
Monitoring & reporting · Fluoride began Jul 2006 Resolved
Monitoring & reporting · Nitrate began Jan 2006 Resolved
Monitoring & reporting · Total coliform began Aug 2005 Resolved
Monitoring & reporting · Total coliform began Feb 1998 Resolved

Recent enforcement actions

  • State action · SOX Feb 2026
  • State action · SIA Feb 2026
  • State action · SIE Feb 2026
  • State action · SOX May 2019
  • State action · SIE Apr 2019
  • State action · SIA Apr 2019
  • State action · SOX Sep 2017
  • State action · SO0 Sep 2017

This profile is built from EPA public records for system CO0108501 — 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.