Official PFAS Records

Delaware PFAS Watchlist

Official EPA UCMR 5 PFAS monitoring records for public water systems in Delaware. 34 water systems with qualifying official records.

Source retrieved: May 26, 2026 · EPA UCMR 5

Monitoring results are not compliance determinations. Missing records do not establish absence of PFAS. Methodology

Systems with records

7,573

Total records

304

Official detections

Water System	PWSID	Analytes in records	Records	Detections
Artesian Water Company Bear,Hockessin	DE0000552	PFEESAPFHpSPFOAPFBAPFPeS+24	1309	76 detected	View
Wilmington Water Department Wilmington	DE0000663	PFNAPFHxSPFBS11Cl-PF3OUdSPFUnA+24	232	40 detected	View
Veolia Water Delaware, Inc New Castle,Wilmington	DE0000564	4:2FTSNFDHA6:2FTS8:2FTSPFMPA+24	232	59 detected	View
Rehoboth Pump District (tui) Rehoboth Beach	DE0000991	4:2FTS6:2FTSPFEESADONAPFOS+24	696	11 detected	View
Bethany Bay Pump District Millville	DE0000221	PFPeSPFUnAPFBANEtFOSAAPFTrDA+24	290	2 detected	View
Newark Water Department Newark	DE0000630	NFDHAPFEESAPFMBAPFPeAPFBA+24	174	26 detected	View
Dover Water Department Dover	DE0000571	PFTeDAPFBS11Cl-PF3OUdSPFUnAPFHxA+24	928	0	View
Dewey Beach Water Department Dewey Beach	DE0000825	PFEESAPFMBAPFPeA4:2FTS6:2FTS+24	58	9 detected	View
Rehoboth Beach Water Department	DE0000723	4:2FTSPFPeAPFHpSNFDHAPFPeS+24	174	19 detected	View
Artesian Southern Sussex Regional Bethany Beach	DE00A0323	NFDHAPFNAPFDA6:2FTSPFBA+24	174	2 detected	View
Middletown Water Department Middletown	DE0000614	NFDHAPFEESAPFMBAPFBSPFPeA+24	116	0	View
Camden Pump District Camden-Wyoming	DE0000124	6:2FTSPFHpS4:2FTS8:2FTSNFDHA+24	290	0	View
Garrison Lake Pump District Smyrna	DE0000004	PFTrDAPFPeSPFMBAPFEESAPFHpS+24	174	0	View
Sussex Shores Water Company Bethany Beach	DE0000557	PFHpSNFDHAPFHxAPFHxSPFHpA+24	116	0	View
Bethany Beach Water Department Bethany Beach	DE0000556	PFEESAHFPO-DAPFBA6:2FTS4:2FTS+24	58	0	View
Smyrna Water Department Smyrna	DE0000657	PFOAPFBANEtFOSAANMeFOSAAPFTeDA+24	174	16 detected	View
Long Neck Water Company Millsboro	DE0000625	PFBSPFHpSPFOAPFOSPFHxS+24	232	0	View
Dover Air Force Base Dover Afb	DE0000579	PFOAPFTeDAPFBAPFBSPFHpA+24	58	0	View
Milford Water Department Milford	DE0000616	PFPeSPFDoAPFBAHFPO-DADONA+24	290	0	View
Church Creek (awc) Magnolia	DE00A0428	NEtFOSAANMeFOSAAPFOAPFOSPFHpS+24	290	0	View
Lewes Board of Public Works Lewes	DE0000602	11Cl-PF3OUdS6:2FTS4:2FTSPFMPAPFPeA+24	58	4 detected	View
Millsboro Water Department	DE0000622	4:2FTS8:2FTSPFMPAPFPeAPFMBA+24	58	0	View
Bayside Pump District (tui) Fenwick Island	DE00A0837	PFHxAPFPeAPFBA8:2FTS6:2FTS+24	116	6 detected	View
Georgetown Water Department	DE0000592	PFOAPFPeS6:2FTS4:2FTS8:2FTS+24	116	25 detected	View
Seaford Water Department Seaford	DE0000246	6:2FTSDONA9Cl-PF3ONSPFHpAPFEESA+24	116	2 detected	View
Bridgeville Water Department Bridgeville	DE0000559	PFHxSPFOSPFOAPFDAPFHpA+24	174	0	View
Municipal Services Commission	DE0000634	PFTrDAPFTeDAPFHpSPFPeA11Cl-PF3OUdS+24	58	2 detected	View
East Ncc District Odessa	DE00A0334	PFTrDA4:2FTSNEtFOSAANMeFOSAAPFTeDA+24	116	0	View
Artesian Northern Sussex Regional Lewes	DE0020003	PFMBAPFMPA8:2FTS4:2FTS6:2FTS+24	174	5 detected	View
Camden Wyoming Sewer and Water Authority Camden-Wyoming	DE0000563	PFTeDAPFHpAPFHxSPFDoAPFBS+24	174	0	View
North West Pump District Middletown	DE00A0347	PFBAPFNAPFBSPFPeAPFOA+24	174	0	View
Laurel Water Department Laurel	DE0000597	6:2FTS9Cl-PF3ONS11Cl-PF3OUdSPFUnAPFHxA+24	58	0	View
Delmar Utility Comm (tn of Delmar) Delmar	DE0000567	PFOSPFOAPFDAHFPO-DAPFDoA+24	58	0	View
Swann Keys Fenwick Island	DE0000465	11Cl-PF3OUdSPFUnAPFOS6:2FTSPFHxA+24	58	0	View

Source: EPA UCMR 5 Occurrence Data · Methodology

All states Delaware utility directory