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Failing Water Quality

Exton, PA 19341

Chester County · Population served: 907,068

Water Systems Serving This Area

🏔
AQUA PA UWCHLAN
Surface water · Pop. 35,518
PWSID: PA1150035
🌊
WARWICK MOBILE HOME PARK
Groundwater · Pop. 40
PWSID: PA1150081
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AQUA PA WEST CHESTER
Surface water · Pop. 48,600
PWSID: PA1150098
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WETHERILL ESTATES
Groundwater · Pop. 250
PWSID: PA1150209
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AQUA PA MAIN SYSTEM
Surface water · Pop. 822,600
PWSID: PA1460073

Contaminants Detected

ContaminantDetected LevelEPA MCLHealth GuidelineStatus
Lead
5.6
15 ppb 1 ppb Warning

PFAS / Forever Chemicals

20 detected 6 above EPA limits
CompoundLevelEPA MCLHealth GuidelineStatus
PFPeA21.8 pptNo standard—Unregulated
PFHxA17.2 pptNo standard400 pptUnregulated
PFOA12.6 ppt4 ppt4 pptExceeded
PFNA12.0 ppt10 ppt10 pptExceeded
PFBA10.1 pptNo standard500 pptUnregulated
PFBS9.5 ppt2000 ppt100 pptBelow limit
PFOA9.3 ppt4 ppt4 pptExceeded
PFOS9.2 ppt4 ppt4 pptExceeded

Violation History (Last 5 Years)

195Total (5yr)
15Health-Based
133Major