Water Quality in Seattle, WA (98104)

EPA violation data for public water systems serving ZIP code 98104.

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 5 monitoring/reporting violations.

More violations than 57% of US ZIP codes.

Based on EPA compliance data. Not a substitute for an official water quality report from your utility.

16,542

Population

19

Water Systems

6

Violations (5yr)

1

Health-Based

Location

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Water Systems Serving This Area (19)

Seattle Public Utilities

Surface water 1,091,904 people served
0 violations
Lead tested: 3.5 ppb (limit: 15 ppb)

Bellevue City Of

Purchased surface water 317,330 people served
0 violations

Kent Water Department

All resolved
Purchased surface water 166,421 people served
1 violation (5yr) · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Redmond Water System City Of

Purchased surface water 163,335 people served
0 violations
Lead tested: 2 ppb (limit: 15 ppb)

Lakehaven Water And Sewer District

All resolved
Purchased surface water 118,273 people served
1 violation (5yr) · All resolved

Highline Water District

Purchased surface water 115,950 people served
0 violations

Auburn City Of

Groundwater 113,095 people served
0 violations
Lead tested: 2.2 ppb (limit: 15 ppb)

Renton City Of

Groundwater 107,119 people served
0 violations

Northshore Utility District

Purchased surface water 105,105 people served
0 violations

800 Fifth Avenue Water System

Purchased surface water 2,804 people served
0 violations

Snoqualmie River Camp Ground

Groundwater 127 people served
0 violations

Meadow Wood Shopping Mall - Big Lake

Groundwater 110 people served
0 violations

Snohomish Mhp

Groundwater 73 people served
0 violations

Cyo - Camp Hamilton

1 health-based
Groundwater 69 people served
4 violations (5yr) · 1 health-based · All resolved

Weyerhaeuser Mdf

Groundwater 34 people served
0 violations

King County Shooting Sports Park

Groundwater 27 people served
0 violations

Lake Kachess Summer Homes

Purchased groundwater 25 people served
0 violations

Indian Creek Water Supt

Groundwater 25 people served
0 violations

Cooper Lake Summer Home Sites

Groundwater 25 people served
0 violations

Contaminants Found

Revised Total Coliform RuleHealth-Based

Missed testing deadlines — not a detection of bacteria.

3 violations
All resolved
Consumer Confidence RuleMonitoring

Annual water quality report delivery requirement.

2 violations
All resolved
NitrateMonitoring

At high levels, nitrate can cause blue baby syndrome in infants.

1 violation
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
3.5 ppb measured Action level: 15 ppb

Sampled: Jan 2024

How Does This Compare?

Seattle (98104) has more violations than 57% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 6.

Fewer violations 57th percentile More violations

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.

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