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Water system · PWSID CO0145540

PATTERSON VALLEY WC

ROCKY FORD, CO · ~96 people served

Check your exact address → ROCKY FORD overview
100
Excellent
PurityRadar safety score

PWSID

CO0145540

State

Colorado

City

ROCKY FORD

Population served

96

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

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

Lithium

291,000 ppt

limit —

No federal limit

Violations & enforcement

34

Violations on record

0

Unaddressed

3

Health-based

71

Enforcement actions

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

Monitoring & reporting · Lead & Copper Rule began Jan 2025 Resolved
Other · EPA contaminant 7500 began Oct 2024 Resolved
Monitoring & reporting · Lead & Copper Rule began Oct 2024 Resolved
Monitoring & reporting · EPA contaminant 3014 began Jul 2024 Resolved
Monitoring & reporting · Uranium began Jan 2024 Resolved
Monitoring & reporting · Combined radium-226/228 began Jan 2024 Resolved
Monitoring & reporting · Nitrate began Jan 2024 Resolved
Monitoring & reporting · Gross alpha began Jan 2024 Resolved
Monitoring & reporting · EPA contaminant 2991 began Jan 2024 Resolved
Other · EPA contaminant 7500 began Oct 2023 Resolved
Monitoring & reporting · Combined radium-226/228 began Oct 2023 Resolved
Other · EPA contaminant 7500 began Oct 2020 Resolved

Recent enforcement actions

  • State action · SOX Dec 2025
  • State action · SOX Sep 2025
  • State action · SOX Apr 2025
  • State action · SOX Mar 2025
  • State action · SIA Jan 2025
  • State action · SIE Jan 2025
  • State action · SIE Jan 2025
  • State action · SIA Jan 2025

This profile is built from EPA public records for system CO0145540 — 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.