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Water system · PWSID CO0107401

JAMESTOWN TOWN OF

JAMESTOWN, CO · ~280 people served

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

PWSID

CO0107401

State

Colorado

City

JAMESTOWN

Population served

280

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

112

Violations on record

0

Unaddressed

27

Health-based

222

Enforcement actions

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

Other · EPA contaminant 7500 began May 2025 Resolved
Other · EPA contaminant 7500 began Feb 2025 Resolved
Monitoring & reporting · EPA contaminant 0200 began Aug 2024 Resolved
Monitoring & reporting · EPA contaminant 0300 began Aug 2024 Resolved
Monitoring & reporting · EPA contaminant 0999 began Apr 2023 Resolved
Reporting · Lead & Copper Rule began Apr 2023 Resolved
Monitoring & reporting · EPA contaminant 0200 began Apr 2023 Resolved
Monitoring & reporting · EPA contaminant 0300 began Jul 2022 Resolved
Monitoring & reporting · EPA contaminant 0200 began Jul 2022 Resolved
Monitoring & reporting · EPA contaminant 0200 began Jun 2022 Resolved
Monitoring & reporting · EPA contaminant 0300 began Jun 2022 Resolved
Monitoring & reporting · EPA contaminant 0300 began Jul 2021 Resolved

Recent enforcement actions

  • State action · SOX Jul 2025
  • State action · SIA Jun 2025
  • State action · SIA Mar 2025
  • State action · SOX Oct 2024
  • State action · SIE Sep 2024
  • State action · SIA Sep 2024
  • State action · SIE Sep 2024
  • State action · SIA Sep 2024

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

Manganese

6 stations · latest Feb 2025

4 · max 756 ug/L · 35

Copper

6 stations · latest Oct 2024

3.57 · max 133 ug/L · 14

Arsenic

4 stations · latest Nov 2024

0.767 · max 3 ug/L · 10

Lead

4 stations · latest Jun 2023

3.33 · max 138 ug/L · 6

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 CO0107401 — 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.