Water Quality in Seattle, WA (98101)
EPA violation data for public water systems serving ZIP code 98101.
No Health-Based Violations
None of the 21 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are5 monitoring/reporting violations (missed testing deadlines), all resolved.
Better than 53% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
17,153
Population
21
Water Systems
5
Violations (5yr)
0
Health-Based
Location
Loading map...
Water Systems Serving This Area (21)
Seattle Public Utilities
Bellevue City Of
Kent Water Department
All resolvedRedmond Water System City Of
Lakehaven Water And Sewer District
All resolvedHighline Water District
Auburn City Of
Renton City Of
Northshore Utility District
Qvl Plywood
Valley Mobile Home Park
All resolvedCherrywood Mobile Home Manor
All resolvedBrunswick Hills Mhp
Hedlund Duplexes
Crest Water Co
Glacier Ranger Station
San Juan
Suiattle Guard Station
Morning Glory
Boulder Creek
Austin Pass
Contaminants Found
Annual water quality report delivery requirement.
At high levels, nitrate can cause blue baby syndrome in infants.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jan 2025
How Does This Compare?
Seattle (98101) has more violations than 53% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 5, most of which are monitoring/reporting issues.
Water Filter Recommendations
No contaminant issues detected. For general protection, a basic carbon filter removes common impurities like chlorine and sediment. Look for NSF/ANSI 42 certified products.