Water Quality in Kennewick, WA (99338)

EPA violation data for public water systems serving ZIP code 99338.

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 32 monitoring/reporting violations.

More violations than 88% of US ZIP codes.

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

20,633

Population

11

Water Systems

39

Violations (5yr)

7

Health-Based

Location

Loading map...

Water Systems Serving This Area (11)

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)

Badger Mountain Irrigation District

7 health-based
Purchased surface water 2,331 people served
37 violations (5yr) · 7 health-based · All resolved

Bc Water Co

Groundwater 1,262 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Tri-City Water District #45

Groundwater 300 people served
0 violations

Franciscos Restaurant

Groundwater 100 people served
0 violations

Short Plat 905 Water System

Groundwater 30 people served
0 violations

Ball Well Water System

Groundwater 6 people served
0 violations

Kolzig, Olie Water System

Groundwater 5 people served
0 violations

Raine, Frank Water System

Groundwater 4 people served
0 violations

Contaminants Found

TTHMHealth-Based
5 violations
All resolved
Total Haloacetic Acids (HAA5)Health-Based
4 violations
All resolved
EndrinMonitoring
2 violations
All resolved
ChlordaneMonitoring
2 violations
All resolved
Di(2-ethylhexyl) phthalateMonitoring
2 violations
All resolved
AtrazineMonitoring
2 violations
All resolved
SimazineMonitoring
2 violations
All resolved
LASSOMonitoring
2 violations
All resolved
Di(2-ethylhexyl) adipateMonitoring
2 violations
All resolved
HEXACHLOROBENZENEMonitoring
2 violations
All resolved
Heptachlor epoxideMonitoring
2 violations
All resolved
ToxapheneMonitoring
2 violations
All resolved
HeptachlorMonitoring
2 violations
All resolved
HexachlorocyclopentadieneMonitoring
2 violations
All resolved
BHC-GAMMAMonitoring
2 violations
All resolved
MethoxychlorMonitoring
2 violations
All resolved
Benzo(a)pyreneMonitoring
2 violations
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
2.4 ppb measured Action level: 15 ppb

Sampled: Jan 2022

How Does This Compare?

Kennewick (99338) has more violations than 88% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 39.

Fewer violations 88th 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.

Activated Carbon Filter

Excellent for removing chlorine, chloramine, and disinfection byproducts like THMs and HAAs. Available as pitcher filters, countertop, or under-sink units.

Targets:THMs, HAAs, Chlorine, Chloramine, Taste & Odor

Look for:NSF/ANSI 42 & 53 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