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Poor Water Quality

Wilmington, DE 19808

New Castle County · Population served: 109,406

Water Systems Serving This Area

🏔
WILMINGTON WATER DEPARTMENT
Surface water · Pop. 107,976
PWSID: DE0000663
🌊
PARKWOOD ESTATES
Groundwater · Pop. 430
PWSID: FL6295191
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SUNLAKE TERRACE WATER SYSTEMS
Groundwater · Pop. 1,000
PWSID: FL6534886

Contaminants Detected

ContaminantDetected LevelEPA MCLHealth GuidelineStatus
Lead
16.6
15 ppb 1 ppb Exceeded

PFAS / Forever Chemicals

6 detected 1 above EPA limits
CompoundLevelEPA MCLHealth GuidelineStatus
PFPeA32.2 pptNo standard—Unregulated
PFHxA21.1 pptNo standard400 pptUnregulated
PFBA14.1 pptNo standard500 pptUnregulated
PFOA9.9 ppt4 ppt4 pptExceeded
PFHpA8.4 pptNo standard—Unregulated
PFBS3.6 ppt2000 ppt100 pptBelow limit

Violation History (Last 5 Years)

47Total (5yr)
1Health-Based
41Major