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Water system · PWSID CO0121850

WALDEN WSD

MONUMENT, CO · ~1,500 people served

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

PWSID

CO0121850

State

Colorado

City

MONUMENT

Population served

1,500

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

17

Violations on record

0

Unaddressed

0

Health-based

46

Enforcement actions

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

Monitoring & reporting · Uranium began Oct 2024 Resolved
Monitoring & reporting · Lead & Copper Rule began Oct 2021 Resolved
Monitoring & reporting · Lead & Copper Rule began Oct 2020 Resolved
Monitoring & reporting · Lead & Copper Rule began Jul 2019 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Oct 2018 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Oct 2018 Resolved
Monitoring & reporting · Lead & Copper Rule began Oct 2017 Resolved
Monitoring & reporting · Nitrate began Jan 2016 Resolved
Monitoring & reporting · Nitrate began Jan 2016 Resolved
Monitoring & reporting · Lead & Copper Rule began Jan 2016 Resolved
Monitoring & reporting · Fluoride began Jan 2014 Resolved
Monitoring & reporting · Fluoride began Jan 2014 Resolved

Recent enforcement actions

  • State action · SIF Jun 2025
  • State action · SOX Feb 2025
  • State action · SIE Jan 2025
  • State action · SIA Jan 2025
  • State action · SIE Nov 2021
  • State action · SIA Nov 2021
  • State action · SOX Oct 2021
  • State action · SIA Oct 2020

This profile is built from EPA public records for system CO0121850 — 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.