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Water system · PWSID CO0129834

WALDEN TOWN OF

WALDEN, CO · ~600 people served

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

PWSID

CO0129834

State

Colorado

City

WALDEN

Population served

600

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

12

Violations on record

0

Unaddressed

1

Health-based

35

Enforcement actions

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

Other · EPA contaminant 7000 began Jul 2025 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Apr 2024 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Apr 2024 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Oct 2023 Resolved
Monitoring & reporting · EPA contaminant 0200 began May 2022 Resolved
Monitoring & reporting · EPA contaminant 0300 began May 2022 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2022 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2022 Resolved
Monitoring & reporting · Total coliform began Apr 2007 Resolved
Treatment technique · EPA contaminant 0200 health-based began Jul 2002 Resolved
Monitoring & reporting · Total coliform began Sep 1999 Resolved
Monitoring & reporting · EPA contaminant 0200 began Mar 1996 Resolved

Recent enforcement actions

  • State action · SOX Jul 2025
  • State action · SIE Jul 2025
  • State action · SIA Jul 2025
  • State action · SIF Apr 2025
  • State action · SOX Sep 2024
  • State action · SIE Jul 2024
  • State action · SIA Jul 2024
  • State action · SIE Jul 2024

This profile is built from EPA public records for system CO0129834 — 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.