Water Quality in Yakima, WA (98930)
EPA violation data for public water systems serving ZIP code 98930.
Past Health-Based Violations
3 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 50 monitoring/reporting violations.
More violations than 91% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
15,730
Population
24
Water Systems
53
Violations (5yr)
3
Health-Based
Location
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Water Systems Serving This Area (24)
Kennewick City Of
All resolvedYakima Water Division City Of
All resolvedRichland City Of
Nob Hill Water Association
All resolvedWest Richland City Of
Grandview City Of
All resolvedWilgus Housing Water System
1 health-basedWyckoff Farms
Boast West Farmworker Housing
All resolvedBoast East Farmworker Housing
Olsen Road South Fwh
All resolvedMay Nursery Twh
1 health-basedEddie Farms - Dairy Site
A&B Farmworker Housing
Stokely #1 - Evans Rd Fwh
All resolvedOlsen Road North Fwh
All resolvedWyckoff Farms - Sunny Hop
1 health-basedAshley Waterhole
North Side Water Co
Valley Pipe Company
Alcaraz, Fermin
Strickland Farm
Walnut Grove Boarding Home
Moritzky Well
Contaminants Found
At high levels, nitrate can cause blue baby syndrome in infants.
Missed testing deadlines — not a detection of bacteria.
Annual water quality report delivery requirement.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jan 2023
How Does This Compare?
Yakima (98930) has more violations than 91% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 53.
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
One of the few filtration methods effective at removing nitrates and nitrites. Essential for households with infants.
Targets:Nitrate, Nitrite, Dissolved Solids
Look for:NSF/ANSI 58 certified
UV Water Purifier
Uses ultraviolet light to neutralize bacteria, viruses, and parasites without chemicals. Ideal for homes with microbial contamination concerns.
Targets:E. coli, Coliform, Giardia, Cryptosporidium
Look for:NSF/ANSI 55 (Class A) 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.