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Water system · PWSID CO0142400

DOLORES TOWN OF

DOLORES, CO · ~1,626 people served

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

PWSID

CO0142400

State

Colorado

City

DOLORES

Population served

1,626

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 Oct 2023). Levels in parts per trillion (ppt).

Lithium

26,000 ppt

limit —

No federal limit

Violations & enforcement

11

Violations on record

0

Unaddressed

1

Health-based

40

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Nov 2020. Official EPA record →

Monitoring & reporting · EPA contaminant 0200 began Sep 2020 Resolved
Monitoring & reporting · EPA contaminant 0300 began Sep 2020 Resolved
Monitoring & reporting · Lead & Copper Rule began Jan 2020 Resolved
Other · EPA contaminant 7000 began Jul 2016 Resolved
Monitoring & reporting · Combined radium-226/228 began Jan 2011 Resolved
Monitoring & reporting · EPA contaminant 2039 began Oct 2007 Resolved
Monitoring & reporting · Total coliform began Oct 2007 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Apr 2006 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Apr 2006 Resolved
Other · EPA contaminant 7000 began Jul 2003 Resolved
Treatment technique · EPA contaminant 0200 health-based began Jul 1993 Resolved

Recent enforcement actions

  • State action · SOX Nov 2020
  • State action · SIA Oct 2020
  • State action · SIE Oct 2020
  • State action · SIA Feb 2020
  • State action · SIE Feb 2020
  • State action · SIA Feb 2020
  • State action · SOX Feb 2020
  • State action · SIE Feb 2020

Area water-quality monitoring

Environmental monitoring (rivers, wells, intakes) recorded in this system’s service area in the EPA/USGS Water Quality Portal since 2018 — source/ambient water, not finished tap water. Context for the watershed, not a reading from your tap.

ContaminantMedian · max · samples

Arsenic

1 station · latest Jul 2023

0.52 · max 0.539 ug/L · 2

Lead

1 station · latest Jul 2023

0.116 · max 0.142 ug/L · 2

Fluoride

1 station · latest Jul 2023

0.12 · max 0.12 mg/L · 1

Manganese

1 station · latest Jul 2023

9.5 · max 9.5 ug/L · 1

Source: Water Quality Portal (EPA/USGS/state agencies). Values are as-reported and aren’t health thresholds.

This profile is built from EPA public records for system CO0142400 — 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.