Water Quality in Seattle, WA (98107)

EPA violation data for public water systems serving ZIP code 98107.

Past Health-Based Violations

18 health-based violations were found in the past 5 years, meaning contaminant levels exceeded federal safety limits. All have since been resolved. There are also 18 monitoring/reporting violations.

More violations than 87% of US ZIP codes.

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

28,776

Population

16

Water Systems

36

Violations (5yr)

18

Health-Based

Location

Loading map...

Water Systems Serving This Area (16)

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

Trident Seafoods Corp. Akutan

1 health-based
Surface water 1,400 people served
2 violations (5yr) · 1 health-based · All resolved

Trident Seafoods Inc. Naknek

Groundwater 525 people served
0 violations

Circle K #476

Groundwater 400 people served
0 violations

Trident Seafoods Inc. Sand Pt

15 health-based
Surface water 400 people served
29 violations (5yr) · 15 health-based · All resolved

Leader Creek Fisheries, Inc.

Groundwater 150 people served
0 violations

Aleutian Dragon Fisheries

Purchased surface water 130 people served
0 violations

Obi Seafoods Llc -Alitak

2 health-based
Surface water 17 people served
3 violations (5yr) · 2 health-based · All resolved

Contaminants Found

Surface Water Treatment RuleHealth-Based
11 violations
All resolved
Total Haloacetic Acids (HAA5)Health-Based
8 violations
All resolved
TTHMHealth-Based
4 violations
All resolved
Interim Enhanced Surface Water Treatment RuleHealth-Based
4 violations
All resolved
LEAD AND COPPER RULE REVISIONSHealth-Based
2 violations
All resolved
Consumer Confidence RuleMonitoring

Annual water quality report delivery requirement.

2 violations
All resolved
Lead and Copper RuleMonitoring

Lead and copper testing requirement. Lead exposure can cause developmental harm in children.

2 violations
All resolved
Revised Total Coliform RuleMonitoring

Missed testing deadlines — not a detection of bacteria.

1 violation
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 (98107) has more violations than 87% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 36.

Fewer violations 87th 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.

Reverse Osmosis System

Highly effective at removing heavy metals, dissolved solids, and a wide range of contaminants. Recommended for homes with lead or arsenic concerns.

Targets:Lead, Copper, Arsenic, Mercury, Cadmium

Look for:NSF/ANSI 58 certified

Activated Carbon Filter

Excellent for removing chlorine, chloramine, and disinfection byproducts like THMs and HAAs. Available as pitcher filters, countertop, or under-sink units.

Targets:THMs, HAAs, Chlorine, Chloramine, Taste & Odor

Look for:NSF/ANSI 42 & 53 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.

Nearby ZIP Codes

Check Another ZIP Code