SUNRISE WATER AUTHORITY

HAPPY VALLEY, OR · ~50,003 people served

Check your exact address → HAPPY VALLEY overview

Excellent

PurityRadar safety score

PWSID

OR4100635

State

Oregon

City

HAPPY VALLEY

Population served

50,003

Primary source

SWP

Score history

▼ 10 points — the score moved from 100 to 90 on Jun 18, 2026, as newly published EPA data was incorporated.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 90

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 Jun 2025). Levels in parts per trillion (ppt).

PFOS

Perfluorooctanesulfonic acid

4.3 ppt

limit 4 ppt

Above EPA limit · 1.1×

Lithium

58,200 ppt

limit —

No federal limit

Violations & enforcement

Violations on record

Unaddressed

Health-based

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Mar 2009. Official EPA record →

Monitoring & reporting · Total trihalomethanes (TTHM) began Oct 2008 Resolved

Monitoring & reporting · Haloacetic acids (HAA5) began Oct 2008 Resolved

Monitoring & reporting · Total coliform began Feb 2005 Resolved

Monitoring & reporting · Nitrate began Jan 1999 Resolved

Monitoring & reporting · Total coliform began Sep 1996 Resolved

Monitoring & reporting · Total coliform began May 1996 Resolved

Monitoring & reporting · Total coliform began Jan 1995 Resolved

Recent enforcement actions

State action · SOX Mar 2009
State action · SOX Mar 2009
State action · SOX May 2005
State action · SOX Oct 2002
State action · SOX Oct 2001
State action · SOX Oct 2001
State action · SOX Oct 2001

This profile is built from EPA public records for system OR4100635 — 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.