Water Quality in Seattle, WA (98058)
EPA violation data for public water systems serving ZIP code 98058.
Past Health-Based Violations
1 health-based violation was found in the past 5 years, meaning contaminant levels exceeded federal safety limits. All have since been resolved. There are also 7 monitoring/reporting violations.
More violations than 62% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
42,980
Population
20
Water Systems
8
Violations (5yr)
1
Health-Based
Location
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Water Systems Serving This Area (20)
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
Soos Creek Water & Sewer District
Maplewood Addition Water Coop
All resolvedRavensdale Water Supply
All resolvedMobile Home Wonderland
Rainier Christian School
Webster Lake Estates Water System
I 94 Mobile Home Park
1 health-basedCedar River Montessori School
Red Dog Saloon Water System
Lund,J.R. Addition Water System
Cougar Mtn. Park Wt Supply Sys.
Contaminants Found
Annual water quality report delivery requirement.
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
Missed testing deadlines — not a detection of bacteria.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jul 2025
How Does This Compare?
Seattle (98058) has more violations than 62% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 8.
Recommended Water Filters
Based on health-based violations detected in your area, these filter types are commonly used to address similar contaminants. Consult your water utility's Consumer Confidence Report for the most current data.
Whole House Carbon Filter
A solid baseline for improving overall water quality. Reduces chlorine, sediment, and many common contaminants throughout your entire home.
Targets:Chlorine, Sediment, Taste & Odor
Look for:NSF/ANSI 42 certified
Always look for filters certified by NSF International for the specific contaminants you want to remove. This is general educational information, not an endorsement of any specific product.