Water Quality in Seattle, WA (98103)
EPA violation data for public water systems serving ZIP code 98103.
Active Health Violations
2 health-based violations found in the past 5 years, with at least one still unresolved. Contaminant levels have exceeded federal safety limits. Consider testing your tap water independently.
More violations than 97% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
52,671
Population
15
Water Systems
133
Violations (5yr)
2
Health-Based
Location
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Water Systems Serving This Area (15)
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
Shadow Pines Mobile Estates
Country Homes Mobile Park
Hidden Village Mhp, Llc
1 health-basedClear Creek Mobile Home Park
Montipark Llc
1 health-basedTotem Girl Scout Council Camp
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
At high levels, nitrate can cause blue baby syndrome in infants.
Annual water quality report delivery requirement.
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jan 2024
How Does This Compare?
Seattle (98103) has more violations than 97% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 133.
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.
UV Water Purifier
Uses ultraviolet light to neutralize bacteria, viruses, and parasites without chemicals. Ideal for homes with microbial contamination concerns.
Targets:E. coli, Coliform, Giardia, Cryptosporidium
Look for:NSF/ANSI 55 (Class A) 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.