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Water system · PWSID CO0159035

DILLON TOWN OF

DILLON, CO · ~3,254 people served

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

PWSID

CO0159035

State

Colorado

City

DILLON

Population served

3,254

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

10

Violations on record

0

Unaddressed

0

Health-based

20

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Nov 2023. Official EPA record →

Monitoring & reporting · Haloacetic acids (HAA5) began Jul 2023 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Jul 2023 Resolved
Monitoring & reporting · EPA contaminant 3014 began Oct 2017 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Jul 2016 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Jul 2016 Resolved
Monitoring & reporting · Lead & Copper Rule began Jan 2016 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Oct 2007 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Oct 2007 Resolved
Monitoring & reporting · Total coliform began Mar 2007 Resolved
Monitoring & reporting · EPA contaminant 0999 began Jul 2006 Resolved

Recent enforcement actions

  • State action · SOX Nov 2023
  • State action · SIA Oct 2023
  • State action · SIE Oct 2023
  • State action · SOX May 2018
  • State action · SIE Apr 2018
  • State action · SIA Apr 2018
  • State action · SIE Nov 2016
  • State action · SIA Nov 2016

This profile is built from EPA public records for system CO0159035 — 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.