ZIP Code 98503
High RiskPFAS above EPA limits detected
6 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.
31
PFAS Detected
6
Above EPA Limits
7
Water Systems
3840%
Highest % of MCL
Compounds Exceeding EPA Limits
PFOS Exceeds EPA limit
0 ppt MCL: 4 ppt 3840% of limit
Detected: 153.60 ppt
PFHxS Exceeds EPA limit
0 ppt MCL: 10 ppt 558% of limit
Detected: 55.80 ppt
PFOA Exceeds EPA limit
0 ppt MCL: 4 ppt 158% of limit
Detected: 6.30 ppt
ARTONDALE WATER SYSTEM
WA5303160 High RiskWater Type
Groundwater
PFAS Detected
8
Above MCL
3
State
Washington
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
PFOS Perfluorooctane sulfonic acid | 153.60ppt | 3840% of limit
| 4 ppt | ⚠ Exceeds MCL |
PFHxS Perfluorohexane sulfonic acid | 55.80ppt | 558% of limit
| 10 ppt | ⚠ Exceeds MCL |
PFOA Perfluorooctanoic acid | 6.30ppt | 158% of limit
| 4 ppt | ⚠ Exceeds MCL |
PFBS Perfluorobutane sulfonic acid | 28.90ppt | No federal limit | — | Unregulated |
PFPeS | 19.40ppt | No federal limit | — | Unregulated |
PFHxA Perfluorohexanoic acid | 16.90ppt | No federal limit | — | Unregulated |
PFPeA Perfluoropentanoic acid | 13.90ppt | No federal limit | — | Unregulated |
PFHpA Perfluoroheptanoic acid | 5.60ppt | No federal limit | — | Unregulated |
HORIZONS WEST
WA5334375 Low LevelWater Type
Groundwater
PFAS Detected
1
Above MCL
0
State
Washington
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
6:2 FTS 6:2 Fluorotelomer sulfonic acid | 9.50ppt | No federal limit | — | Unregulated |
LACEY WATER DEPARTMENT
WA5343500 Low LevelWater Type
Groundwater
PFAS Detected
4
Above MCL
0
State
Washington
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
PFHxS Perfluorohexane sulfonic acid | 3.10ppt | 31% of limit
| 10 ppt | Below limit |
PFPeA Perfluoropentanoic acid | 18.80ppt | No federal limit | — | Unregulated |
PFHxA Perfluorohexanoic acid | 9.80ppt | No federal limit | — | Unregulated |
PFBS Perfluorobutane sulfonic acid | 4.20ppt | No federal limit | — | Unregulated |
MINTERBROOK
WA5354740 Low LevelWater Type
Groundwater
PFAS Detected
3
Above MCL
0
State
Washington
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
PFBS Perfluorobutane sulfonic acid | 3.90ppt | No federal limit | — | Unregulated |
PFHxA Perfluorohexanoic acid | 3.30ppt | No federal limit | — | Unregulated |
PFPeA Perfluoropentanoic acid | 3.10ppt | No federal limit | — | Unregulated |
PARKVIEW TERRACE
WA5366215 Low LevelWater Type
Groundwater
PFAS Detected
1
Above MCL
0
State
Washington
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
PFBS Perfluorobutane sulfonic acid | 4.40ppt | No federal limit | — | Unregulated |
PEACOCK HILL
WA5366637 High RiskWater Type
Groundwater
PFAS Detected
7
Above MCL
1
State
Washington
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
PFHxS Perfluorohexane sulfonic acid | 14.90ppt | 149% of limit
| 10 ppt | ⚠ Exceeds MCL |
PFPeA Perfluoropentanoic acid | 25.60ppt | No federal limit | — | Unregulated |
PFHxA Perfluorohexanoic acid | 18.80ppt | No federal limit | — | Unregulated |
PFBS Perfluorobutane sulfonic acid | 16.00ppt | No federal limit | — | Unregulated |
PFPeS | 8.10ppt | No federal limit | — | Unregulated |
PFBA Perfluorobutanoic acid | 6.30ppt | No federal limit | — | Unregulated |
PFHpA Perfluoroheptanoic acid | 3.50ppt | No federal limit | — | Unregulated |
QUISTORFF
WA5370550 High RiskWater Type
Groundwater
PFAS Detected
7
Above MCL
2
State
Washington
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
PFHxS Perfluorohexane sulfonic acid | 44.00ppt | 440% of limit
| 10 ppt | ⚠ Exceeds MCL |
PFOS Perfluorooctane sulfonic acid | 12.00ppt | 300% of limit
| 4 ppt | ⚠ Exceeds MCL |
PFBS Perfluorobutane sulfonic acid | 35.00ppt | No federal limit | — | Unregulated |
PFPeS | 20.00ppt | No federal limit | — | Unregulated |
PFPeA Perfluoropentanoic acid | 17.00ppt | No federal limit | — | Unregulated |
PFHxA Perfluorohexanoic acid | 17.00ppt | No federal limit | — | Unregulated |
PFBA Perfluorobutanoic acid | 7.10ppt | No federal limit | — | Unregulated |
Note: ZIP code 98503 is served by 7 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.