CheckPFAS

ZIP Code 99212

High Risk
High Risk PFAS Risk Level

PFAS above EPA limits detected

2 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.

6
PFAS Detected
2
Above EPA Limits
3
Water Systems
153%
Highest % of MCL

Compounds Exceeding EPA Limits

PFOS Exceeds EPA limit
0 ppt MCL: 4 ppt 138% of limit
Detected: 5.50 ppt

EAST SPOKANE WATER DIST 1

WA5321650 High Risk
Water Type
Groundwater
PFAS Detected
1
Above MCL
1
State
Washington
Data Period
2023–2025

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
PFOS
Perfluorooctane sulfonic acid
5.50ppt
138% of limit
4 ppt⚠ Exceeds MCL

SPOKANE CITY OF

WA5383100 High Risk
Water Type
Groundwater
PFAS Detected
4
Above MCL
1
State
Washington
Data Period
2023–2025

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
PFOS
Perfluorooctane sulfonic acid
6.10ppt
153% of limit
4 ppt⚠ Exceeds MCL
PFBS
Perfluorobutane sulfonic acid
3.90pptNo federal limitUnregulated
PFHxA
Perfluorohexanoic acid
3.50pptNo federal limitUnregulated
PFPeA
Perfluoropentanoic acid
3.30pptNo federal limitUnregulated

SPO CO WATER DIST 3 SYS 2

WA5393351 Low Level
Water Type
Groundwater
PFAS Detected
1
Above MCL
0
State
Washington
Data Period
2023–2025

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
lithium
12000.00pptNo federal limitUnregulated
Note: ZIP code 99212 is served by 3 separate water utilities. Results above show data for each system independently.

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 →