Water Quality in Kennewick, WA (99320)
EPA violation data for public water systems serving ZIP code 99320.
No Health-Based Violations
None of the 22 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are14 monitoring/reporting violations (missed testing deadlines), all resolved.
Better than 73% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
9,879
Population
22
Water Systems
14
Violations (5yr)
0
Health-Based
Location
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Water Systems Serving This Area (22)
Kennewick City Of
All resolvedRichland City Of
West Richland City Of
Benton City Water
Desert Food Mart
Barkers First Addition
Beach Rv Park
Barkers Tracts Wtr Sys
Hedges Cellars
All resolvedFidelitas Winery
All resolvedMount Adams Vista Water System
Yates Water System
Bar 80 Ranchettes
Coxville Water Assn #1
Yates Water Well Co
Blackwood Canyon
Smith Family Farms
Matteson Water System
Isley, Bruce Water System
Red Mountain Guest Ranch
Cruz Estates Llc
Thornton-Burton
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
At high levels, nitrate can cause blue baby syndrome in infants.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jan 2023
How Does This Compare?
Kennewick (99320) has more violations than 73% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 14, most of which are monitoring/reporting issues.
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.