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Water system · PWSID WA5307350

BLALOCK ORCHARD DIST 10

Walla Walla, WA · ~250 people served

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

PWSID

WA5307350

State

Washington

City

Walla Walla

Population served

250

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

10

Violations on record

0

Unaddressed

0

Health-based

21

Enforcement actions

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

Other · EPA contaminant 7000 began Jul 2024 Resolved
Monitoring & reporting · EPA contaminant 2326 began Jul 2013 Resolved
Monitoring & reporting · EPA contaminant 2041 began Jul 2013 Resolved
Monitoring & reporting · EPA contaminant 2110 began Jul 2013 Resolved
Monitoring & reporting · EPA contaminant 2031 began Jul 2013 Resolved
Monitoring & reporting · EPA contaminant 2040 began Jul 2013 Resolved
Monitoring & reporting · Nitrate began Jan 2011 Resolved
Monitoring & reporting · Lead & Copper Rule began Jan 2009 Resolved
Monitoring & reporting · Nitrate began Jan 2005 Resolved
Monitoring & reporting · Lead & Copper Rule began Jan 1999 Resolved

Recent enforcement actions

  • State action · SOX Oct 2024
  • State action · SOX Dec 2013
  • State action · SOX Oct 2012
  • State action · SOX Dec 2009
  • State action · SOX Dec 2009
  • State action · SOX Dec 2009
  • State action · SOX Dec 2009
  • State action · SOX Aug 2009

This profile is built from EPA public records for system WA5307350 — 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.