Water Quality in Seattle, WA (98070)

EPA violation data for public water systems serving ZIP code 98070.

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 16 monitoring/reporting violations.

More violations than 76% of US ZIP codes.

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

9,934

Population

42

Water Systems

17

Violations (5yr)

1

Health-Based

Location

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Water Systems Serving This Area (42)

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

Water District 19

1 health-based
Surface water 3,723 people served
1 violation (5yr) · 1 health-based · All resolved
Lead tested: 3 ppb (limit: 15 ppb)

Heights Water

All resolved
Groundwater 2,051 people served
1 violation (5yr) · All resolved

Dockton Water Association

Groundwater 992 people served
0 violations

Burton Water Cooperative

Groundwater 964 people served
0 violations
Lead tested: 1.6 ppb (limit: 15 ppb)

Westside Water Assn

Groundwater 562 people served
0 violations

Gold Beach Water Company

All resolved
Groundwater 390 people served
1 violation (5yr) · All resolved

Maury Mutual Water Co

All resolved
Groundwater 233 people served
2 violations (5yr) · All resolved

Dilworth Pt Community

Groundwater 88 people served
0 violations

Sunnyslope Mutual Water System

Groundwater 85 people served
0 violations

Quartermaster Heights Water Assn

All resolved
Groundwater 70 people served
1 violation (5yr) · All resolved

Sandy Shores Water Association

Groundwater 70 people served
0 violations

Womish, Inc

Groundwater 62 people served
0 violations

Camp Sealth

All resolved
Groundwater 62 people served
3 violations (5yr) · All resolved

Shawnee Water System

Groundwater 53 people served
0 violations

Needle Creek Water System

All resolved
Groundwater 50 people served
3 violations (5yr) · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Clam Cove

Groundwater 50 people served
0 violations

Shawnee Hill Condominium Ws

All resolved
Groundwater 44 people served
1 violation (5yr) · All resolved

Sylvan Beach Water System

Groundwater 42 people served
0 violations

Camp Burton Conference Center

All resolved
Groundwater 39 people served
1 violation (5yr) · All resolved

Marine Estates Mutual Water Assn

Groundwater 38 people served
0 violations

Calvary Full Gospel Church

Groundwater 34 people served
0 violations

Bachelor Water System

Groundwater 33 people served
0 violations

Sandy Beach Community Water System

Groundwater 30 people served
0 violations

Biloxi Community

Groundwater 28 people served
0 violations

Cascade Meadows

Groundwater 28 people served
0 violations

Harbor Heights Water

Groundwater 25 people served
0 violations

North Vashon Water System

Groundwater 25 people served
0 violations

North Cedarhurst Water System

Groundwater 25 people served
0 violations

Klahanie Beach Water System

Groundwater 19 people served
0 violations

Sunwater Beach

All resolved
Groundwater 17 people served
1 violation (5yr) · All resolved

Maury Hills Water System

Groundwater 7 people served
0 violations

Ebbie Water System

Groundwater 5 people served
0 violations

Shanklin, B. Water System

Groundwater 5 people served
0 violations

Contaminants Found

Long Term 2 Enhanced Surface Water Treatment RuleHealth-Based
1 violation
All resolved
Consumer Confidence RuleMonitoring

Annual water quality report delivery requirement.

7 violations
All resolved
Revised Total Coliform RuleMonitoring

Missed testing deadlines — not a detection of bacteria.

5 violations
All resolved
NitrateMonitoring

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

4 violations
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 (98070) has more violations than 76% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 17.

Fewer violations 76th 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.

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