Water Quality in Seattle, WA (98109)

EPA violation data for public water systems serving ZIP code 98109.

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

34,328

Population

21

Water Systems

19

Violations (5yr)

6

Health-Based

Location

Loading map...

Water Systems Serving This Area (21)

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

Red Salmon Cannery

6 health-based
Groundwater 450 people served
7 violations (5yr) · 6 health-based

North Pacific Seafoods, Pederson Point

All resolved
Groundwater 300 people served
3 violations (5yr) · All resolved

North Pacific Seafoods Togiak Fisheries

All resolved
Surface water 100 people served
7 violations (5yr) · All resolved

Parkside/Point Lowell

Groundwater 90 people served
0 violations

Sea Alaska Products Pilot Pt

Surface water 50 people served
0 violations

Cleveland Mem For Cp

Groundwater 50 people served
0 violations

Ridgedale Ranch Water System

Groundwater 45 people served
0 violations

South Manzanita Beach Water Associ

Groundwater 25 people served
0 violations

Pacific Sound Resources

Groundwater 20 people served
0 violations

K & D Investments

Groundwater 20 people served
0 violations

Mats Mats Beach Water System

Groundwater 15 people served
0 violations

Horse Haven Mobile Park

Groundwater 7 people served
0 violations

Contaminants Found

Groundwater RuleHealth-Based
1 violation
Has active
Revised Total Coliform RuleMonitoring

Missed testing deadlines — not a detection of bacteria.

4 violations
All resolved
Surface Water Treatment RuleMonitoring
4 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.

2 violations
All resolved
E. COLIMonitoring
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 (98109) has more violations than 78% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 19.

Fewer violations 78th 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.

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.

Nearby ZIP Codes

Check Another ZIP Code