What is PFAS?
Water suppliers
PFAS value per supplier, 2023–2025. EPA limit — 4 ppt (0.004 µg/L) for PFOA and PFOS, set in 2024. Suppliers that detected PFOA or PFOS
are highlighted and listed first. “Not detected” means the contaminant was measured but
not found.
| Supplier | City | Population | PFAS (ug/L) |
|---|---|---|---|
| Georgetown Water Department | Georgetown | 7,259 | 0.0360 µg/L |
| Newark Water Department | Newark | 40,000 | 0.0253 µg/L |
| Veolia Water Delaware, Inc | New Castle | 100,495 | 0.0244 µg/L |
| Rehoboth Beach Water Department | Rehoboth Beach | 25,000 | 0.0149 µg/L |
| Dewey Beach Water Department | Dewey Beach | 31,000 | 0.0110 µg/L |
| Wilmington Water Department | Wilmington | 107,976 | 0.0099 µg/L |
| Smyrna Water Department | Smyrna | 11,813 | 0.0098 µg/L |
| Lewes Board of Public Works | Lewes | 9,627 | 0.0095 µg/L |
| Stage Village Mhc | Delmar | 93 | 0.0085 µg/L |
| Dover Water Department | Dover | 39,491 | Not detected |
| Middletown Water Department | Middletown | 17,700 | Not detected |
| Sussex Shores Water Company | Bethany Beach | 12,450 | Not detected |
| Bethany Beach Water Department | Bethany Beach | 12,000 | Not detected |
| Long Neck Water Company | Millsboro | 11,000 | Not detected |
| Milford Water Department | Milford | 9,800 | Not detected |
| Millsboro Water Department | Millsboro | 8,568 | Not detected |
| Seaford Water Department | Seaford | 6,699 | Not detected |
| Bridgeville Water Department | Bridgeville | 6,000 | Not detected |
| Municipal Services Commission | New Castle | 5,549 | Not detected |
| Camden Wyoming Sewer and Water Authority | Camden-Wyoming | 5,000 | Not detected |
| Laurel Water Department | Laurel | 3,984 | Not detected |
| Elkton West | — | 3,500 | Not detected |