CROSS VALLEY WATER DISTRICT

Snohomish, WA · ~24,695 people served

Check your exact address → Snohomish overview

100

Excellent

PurityRadar safety score

PWSID

WA5316270

State

Washington

City

Snohomish

Population served

24,695

Primary source

SWP

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 Nov 2024). Levels in parts per trillion (ppt).

PFBS

9.4 ppt

limit —

No federal limit

PFHxA

6.4 ppt

limit —

No federal limit

PFPeA

4.9 ppt

limit —

No federal limit

Violations & enforcement

Violations on record

Unaddressed

Health-based

Enforcement actions

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

Monitoring & reporting · Total trihalomethanes (TTHM) began Jul 2020 Resolved

Monitoring & reporting · Haloacetic acids (HAA5) began Jul 2020 Resolved

Other · EPA contaminant 7000 began Jul 2017 Resolved

Other · EPA contaminant 7000 began Jul 2015 Resolved

Monitoring & reporting · Lead & Copper Rule began Jul 1998 Resolved

Recent enforcement actions

State action · SOX Dec 2020
State action · SOX Dec 2020
State action · SOX Feb 2018
State action · SOX Sep 2015
State action · SOX Jan 2000
State action · SOX Jul 1999

This profile is built from EPA public records for system WA5316270 — 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.