Water Quality in Kennewick, WA (99337)

EPA violation data for public water systems serving ZIP code 99337.

Past Health-Based Violations

7 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 28 monitoring/reporting violations.

More violations than 86% of US ZIP codes.

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

33,287

Population

36

Water Systems

35

Violations (5yr)

7

Health-Based

Location

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Water Systems Serving This Area (36)

Kennewick City Of

All resolved
Surface water 114,468 people served
2 violations (5yr) · All resolved

Richland City Of

Surface water 106,248 people served
0 violations
Lead tested: 2.4 ppb (limit: 15 ppb)

West Richland City Of

Purchased surface water 18,280 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Community Sewer And Water District

All resolved
Groundwater 1,200 people served
2 violations (5yr) · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Benton County Two Rivers Park

All resolved
Groundwater 474 people served
6 violations (5yr) · All resolved

White Bluff Water Association

All resolved
Groundwater 386 people served
1 violation (5yr) · All resolved

River View High

Groundwater 341 people served
0 violations

Kid - Lorayne J

Purchased surface water 307 people served
0 violations

Homestead Manufactured Housing

1 health-based
Groundwater 300 people served
6 violations (5yr) · 1 health-based · All resolved

Sun Harbor Sw

3 health-based
Groundwater 188 people served
3 violations (5yr) · 3 health-based · All resolved

Finley Shopper The

3 health-based
Groundwater 125 people served
6 violations (5yr) · 3 health-based · All resolved

Finley First Baptist Church

Groundwater 103 people served
0 violations

Naches Wonderland Campers Assn

Groundwater 100 people served
0 violations

Easy Living Mobile Home Park

Groundwater 90 people served
0 violations

Nutrien Us Llc - Kennewick Area

All resolved
Groundwater 80 people served
1 violation (5yr) · All resolved
Lead tested: 12.1 ppb (limit: 15 ppb)

Pathfinder Mobile Home Park

Groundwater 73 people served
0 violations

Eaton Park Subdivision

Groundwater 70 people served
0 violations

Finley Saddle Club

Groundwater 67 people served
0 violations

Royal Slope Scales

Groundwater 47 people served
0 violations

Goodnight Water System

Groundwater 47 people served
0 violations

Greenbrier Rail Services

Groundwater 45 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Big Toe Salvage

All resolved
Groundwater 42 people served
5 violations (5yr) · All resolved

Badger Canyon Water Assn

Groundwater 40 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Good Neighbors Water Assn

All resolved
Groundwater 40 people served
3 violations (5yr) · All resolved

Picnic Pines Trailer Court

Groundwater 38 people served
0 violations

Buena Labor Camp

Groundwater 33 people served
0 violations

Brandon Mobile Home Court

Groundwater 30 people served
0 violations

Whiskey Wells Improvement Club

Groundwater 25 people served
0 violations

Kiichle System

Groundwater 25 people served
0 violations

Oltjenbruns - 1

Groundwater 9 people served
0 violations

Highland Manor Estates #1

Groundwater 8 people served
0 violations

Cheators Well Water System

Groundwater 6 people served
0 violations

Fletcher Water System

Groundwater 5 people served
0 violations

Becks Public Well

Groundwater 4 people served
0 violations

Panorama Heights

Groundwater 4 people served
0 violations

Skeen Water System

Groundwater 1 people served
0 violations

Contaminants Found

NitrateHealth-Based

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

12 violations
All resolved
ArsenicHealth-Based

A naturally occurring element that can cause cancer and other health effects at high levels.

6 violations
All resolved
Revised Total Coliform RuleMonitoring

Missed testing deadlines — not a detection of bacteria.

10 violations
All resolved
Consumer Confidence RuleMonitoring

Annual water quality report delivery requirement.

3 violations
All resolved
TTHMMonitoring
1 violation
All resolved
Total Haloacetic Acids (HAA5)Monitoring
1 violation
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
0 ppb measured Action level: 15 ppb

Sampled: Jan 2024

How Does This Compare?

Kennewick (99337) has more violations than 86% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 35.

Fewer violations 86th 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

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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