CheckPFAS

ZIP Code 97530

High Risk
High Risk PFAS Risk Level

PFAS above EPA limits detected

3 compounds exceed EPA Maximum Contaminant Levels in water serving this ZIP code. Standard pitcher filters like Brita do not remove PFAS. See filter recommendations below.

8
PFAS Detected
3
Above EPA Limits
1
Water System
334%
Highest % of MCL

Compounds Exceeding EPA Limits

PFHxS Exceeds EPA limit
0 ppt MCL: 10 ppt 334% of limit
Detected: 33.40 ppt
PFOS Exceeds EPA limit
0 ppt MCL: 4 ppt 265% of limit
Detected: 10.60 ppt
PFOA Exceeds EPA limit
0 ppt MCL: 4 ppt 233% of limit
Detected: 9.30 ppt

RUCH ELEMENTARY SD 549

OR4191508 High Risk
Water Type
Groundwater
PFAS Detected
8
Above MCL
3
State
Oregon
Data Period
2023–2025

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
PFHxS
Perfluorohexane sulfonic acid
33.40ppt
334% of limit
10 ppt⚠ Exceeds MCL
PFOS
Perfluorooctane sulfonic acid
10.60ppt
265% of limit
4 ppt⚠ Exceeds MCL
PFOA
Perfluorooctanoic acid
9.30ppt
233% of limit
4 ppt⚠ Exceeds MCL
PFBS
Perfluorobutane sulfonic acid
14.80pptNo federal limitUnregulated
PFHxA
Perfluorohexanoic acid
13.90pptNo federal limitUnregulated
PFPeA
Perfluoropentanoic acid
13.60pptNo federal limitUnregulated
PFPeS
9.80pptNo federal limitUnregulated
PFHpA
Perfluoroheptanoic acid
3.70pptNo federal limitUnregulated

Data source: EPA Unregulated Contaminant Monitoring Rule, 5th cycle (UCMR 5) — January 2026 release.

UCMR 5 tested ~10,000 public water systems serving more than 25 people between 2023-2025 for 29 PFAS compounds.

Detection values represent the highest single-sample result measured at entry points to the distribution system.

View raw EPA data →