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Water system · PWSID CO0154333

HAYDEN TOWN OF

HAYDEN, CO · ~3,982 people served

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

PWSID

CO0154333

State

Colorado

City

HAYDEN

Population served

3,982

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

Latest detections from EPA’s UCMR5 monitoring (through Nov 2024). Levels in parts per trillion (ppt).

Lithium

24,000 ppt

limit —

No federal limit

Violations & enforcement

18

Violations on record

0

Unaddressed

6

Health-based

76

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Dec 2024. Official EPA record →

Reporting · Lead & Copper Rule began Oct 2024 Resolved
Monitoring & reporting · EPA contaminant 0999 began Oct 2024 Resolved
Monitoring & reporting · EPA contaminant 0200 began Oct 2024 Resolved
Other · Lead & Copper Rule began Oct 2023 Resolved
Monitoring & reporting · Lead & Copper Rule began Oct 2021 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Jul 2020 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Jul 2020 Resolved
Monitoring & reporting · Bromate began Jan 2011 Resolved
Monitoring & reporting · Bromate began Jul 2010 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Jul 2010 Resolved
Treatment technique · EPA contaminant 0300 health-based began Aug 2007 Resolved
Treatment technique · EPA contaminant 0200 health-based began Jul 2006 Resolved

Recent enforcement actions

  • State action · SOX Dec 2024
  • State action · SIA Nov 2024
  • State action · SIE Nov 2024
  • State action · SIE Nov 2024
  • State action · SIA Nov 2024
  • State action · SIE Nov 2024
  • State action · SIA Nov 2024
  • State action · SOX Nov 2023

This profile is built from EPA public records for system CO0154333 — 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.