Water Quality in Seattle, WA (98224)

EPA violation data for public water systems serving ZIP code 98224.

No Health-Based Violations

None of the 12 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are68 monitoring/reporting violations (missed testing deadlines), all resolved.

Better than 94% of US ZIP codes.

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

190

Population

12

Water Systems

68

Violations (5yr)

0

Health-Based

Location

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Water Systems Serving This Area (12)

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

Chamonix Village

All resolved
Groundwater 53 people served
4 violations (5yr) · All resolved
Lead tested: 6.5 ppb (limit: 15 ppb)

Timberlane Village Water

All resolved
Groundwater 51 people served
62 violations (5yr) · All resolved
Lead tested: 1.9 ppb (limit: 15 ppb)

Baring Water System

Surface water 30 people served
0 violations

Contaminants Found

Revised Total Coliform RuleMonitoring

Missed testing deadlines — not a detection of bacteria.

3 violations
All resolved
NitrateMonitoring

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

3 violations
All resolved
Carbon tetrachlorideMonitoring
3 violations
All resolved
1,1,2-TrichloroethaneMonitoring
3 violations
All resolved
EthylbenzeneMonitoring
3 violations
All resolved
1,2-DichloroethaneMonitoring
3 violations
All resolved
TetrachloroethyleneMonitoring
3 violations
All resolved
1,1-DichloroethyleneMonitoring
3 violations
All resolved
TolueneMonitoring
3 violations
All resolved
1,2-DichloropropaneMonitoring
3 violations
All resolved
DICHLOROMETHANEMonitoring
3 violations
All resolved
o-DichlorobenzeneMonitoring
3 violations
All resolved
CHLOROBENZENEMonitoring
3 violations
All resolved
cis-1,2-DichloroethyleneMonitoring
3 violations
All resolved
Vinyl chlorideMonitoring
3 violations
All resolved
StyreneMonitoring
3 violations
All resolved
BenzeneMonitoring
3 violations
All resolved
trans-1,2-DichloroethyleneMonitoring
3 violations
All resolved
TrichloroethyleneMonitoring
3 violations
All resolved
1,1,1-TrichloroethaneMonitoring
3 violations
All resolved
1,2,4-TrichlorobenzeneMonitoring
3 violations
All resolved
p-DichlorobenzeneMonitoring
3 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 (98224) has more violations than 94% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 68, most of which are monitoring/reporting issues.

Fewer violations 94th 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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