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46

Poor Water Quality

Siloam Springs, AR 72761

Benton County · Population served: 60,188

Water Systems Serving This Area

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GENTRY WATERWORKS
Surface water · Pop. 7,910
PWSID: AR0000048
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SILOAM SPRINGS WATERWORKS
Surface water · Pop. 21,430
PWSID: AR0000056
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ELKINS WATERWORKS
Surface water · Pop. 3,905
PWSID: AR0000567
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LINCOLN WATERWORKS
Surface water · Pop. 6,690
PWSID: AR0000572
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WASHINGTON WATER AUTHORITY WWA
Surface water · Pop. 20,140
PWSID: AR0000574

Contaminants Detected

ContaminantDetected LevelEPA MCLHealth GuidelineStatus
Lead
3.0
15 ppb 1 ppb Warning

PFAS / Forever Chemicals

3 detected All below limits
CompoundLevelEPA MCLHealth GuidelineStatus
PFBS7.0 ppt2000 ppt100 pptBelow limit
PFPeA5.5 pptNo standard—Unregulated
PFHxA3.8 pptNo standard400 pptUnregulated

Violation History (Last 5 Years)

134Total (5yr)
86Health-Based
2Major