Water Quality in Seattle, WA (98118)

EPA violation data for public water systems serving ZIP code 98118.

No Health-Based Violations

None of the 11 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are6 monitoring/reporting violations (missed testing deadlines), all resolved.

Better than 57% of US ZIP codes.

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

50,500

Population

11

Water Systems

6

Violations (5yr)

0

Health-Based

Location

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Water Systems Serving This Area (11)

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

Save U More

All resolved
Groundwater 123 people served
4 violations (5yr) · All resolved

Stevens Pass Motel

Surface water 40 people served
0 violations

Contaminants Found

Revised Total Coliform RuleMonitoring

Missed testing deadlines — not a detection of bacteria.

4 violations
All resolved
Consumer Confidence RuleMonitoring

Annual water quality report delivery requirement.

2 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 (98118) 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, most of which are monitoring/reporting issues.

Fewer violations 57th percentile More violations

Water Filter Recommendations

No contaminant issues detected. For general protection, a basic carbon filter removes common impurities like chlorine and sediment. Look for NSF/ANSI 42 certified products.

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