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Water system · PWSID CO0107719

SPRING VALLEY MUTUAL WA

BOULDER, CO · ~100 people served

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

PWSID

CO0107719

State

Colorado

City

BOULDER

Population served

100

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

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

5

Violations on record

0

Unaddressed

2

Health-based

19

Enforcement actions

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

Other · EPA contaminant 7000 began Jul 2023 Resolved
Treatment technique · Lead & Copper Rule health-based began Dec 2018 Resolved
Other · EPA contaminant 7500 began Nov 2018 Resolved
Treatment technique · Lead & Copper Rule health-based began Feb 2018 Resolved
Monitoring & reporting · Lead & Copper Rule began Jan 2018 Resolved

Recent enforcement actions

  • State action · SIF Mar 2024
  • State action · SOX Jul 2023
  • State action · SIE Jul 2023
  • State action · SIA Jul 2023
  • State action · SFH Feb 2020
  • State action · SIF May 2019
  • State action · SOX Apr 2019
  • State action · SIE Jan 2019

This profile is built from EPA public records for system CO0107719 — 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.