💧 TapWaterData

Water Quality in ZIP Code 98101

Serving Seattle, WA

Monitor
2 above health guidelines
1
City
173+
Tested
2
Above Guidelines
1
Utility

Is Water Safe in ZIP Code 98101?

Water in ZIP code 98101 has 2 contaminants above EPA health-based guidelines (MCLGs) in at least one of the 1 city served. We recommend reviewing detailed city reports below and considering a certified water filter for additional protection.

This ZIP code is served by 1 water utility providing water to Seattle. Water quality varies by utility and city. Click on the cities below to see detailed reports for your specific area.

Water Quality Report for ZIP 98101

2 contaminants above EPA health guidelines

These levels represent the worst case across all cities in this ZIP code. Check individual city reports for specific details.

Arsenic

Found in Seattle

0.00155 PPM
Guideline: 0 PPM
Bromodichloromethane

Found in Seattle

1.8 PPB
Guideline: 0 PPB

Water Utilities Serving ZIP 98101

SEATTLE PUBLIC UTILITIES

People Served:

955,506

Contact:

Water Source:

Surface water

MCL Violations:

No violations

Best Water Filters for ZIP 98101

Based on the contaminants found in your area, we recommend NSF-certified water filters that can remove the specific contaminants above health guidelines.

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Is Tap Water Safe in ZIP 98101? Seattle Water Quality 2025 | Test Results & Contaminants | TapWaterData