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37

Poor Water Quality

Kennewick, WA 99336

Benton County · Population served: 116,572

Water Systems Serving This Area

🌊
SUMMIT VIEW WATER SYSTEM
Groundwater · Pop. 1,869
PWSID: WA5303303
🏔
KENNEWICK CITY OF
Surface water · Pop. 114,468
PWSID: WA5338100
🌊
PASCO HEIGHTS DOMESTIC WATER ASSN
Groundwater · Pop. 135
PWSID: WA5366350
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SUNDANCE IMPROVEMENT ASSOCIATION
Groundwater · Pop. 100
PWSID: WA5385209

Contaminants Detected

ContaminantDetected LevelEPA MCLHealth GuidelineStatus
Lead
4.5
15 ppb 1 ppb Warning

PFAS / Forever Chemicals

6 detected 3 above EPA limits
CompoundLevelEPA MCLHealth GuidelineStatus
PFOS11.5 ppt4 ppt4 pptExceeded
PFHxS10.6 ppt10 ppt10 pptExceeded
PFPeA7.5 pptNo standard—Unregulated
PFHxA6.5 pptNo standard400 pptUnregulated
PFBS6.4 ppt2000 ppt100 pptBelow limit
PFOA4.6 ppt4 ppt4 pptExceeded

Violation History (Last 5 Years)

28Total (5yr)
15Health-Based
11Major