Official PFAS Records

Delaware PFAS Watchlist

Official EPA UCMR 5 PFAS monitoring records for public water systems in Delaware. 25 water systems with qualifying official records.

Source retrieved: May 14, 2026 · EPA UCMR 5

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

Systems with records

5,333

Total records

214

Official detections

Water System	PWSID	Analytes in records	Records	Detections
Artesian Water Company Bear,Hockessin	DE0000552	PFOAPFHpSPFEESAHFPO-DADONA+24	939	49 detected	View
Wilmington Water Department Wilmington	DE0000663	PFMPAPFEESAPFHxAPFUnANFDHA+24	232	40 detected	View
Rehoboth Pump District (tui) Rehoboth Beach	DE0000991	PFHpAPFBSPFDAPFUnAPFDoA+24	696	11 detected	View
Newark Water Department Newark	DE0000630	PFOS11Cl-PF3OUdSPFDAPFBAPFUnA+24	174	26 detected	View
Dover Water Department Dover	DE0000571	PFHxSPFBS11Cl-PF3OUdSPFUnAPFHxA+24	737	0	View
Dewey Beach Water Department Dewey Beach	DE0000825	PFMPAPFDAHFPO-DAPFHpAPFBS+24	58	9 detected	View
Rehoboth Beach Water Department	DE0000723	4:2FTSPFBSPFEESA6:2FTS9Cl-PF3ONS+24	174	19 detected	View
Artesian Southern Sussex Regional Bethany Beach	DE00A0323	PFMPAPFBAPFHxAPFHpSPFPeS+24	174	2 detected	View
Middletown Water Department Middletown	DE0000614	8:2FTSPFHpAPFBSNMeFOSAANEtFOSAA+24	116	0	View
Sussex Shores Water Company Bethany Beach	DE0000557	NFDHA8:2FTSPFMPA	3	0	View
Bethany Beach Water Department Bethany Beach	DE0000556	PFUnA6:2FTSPFBAHFPO-DAPFEESA+24	58	0	View
Smyrna Water Department Smyrna	DE0000657	HFPO-DANFDHANMeFOSAAPFHpAPFBS+24	174	16 detected	View
Dover Air Force Base Dover Afb	DE0000579	PFTrDAPFTeDAPFBAPFBSPFHpA+24	58	0	View
Long Neck Water Company Millsboro	DE0000625	PFMBAPFMPA8:2FTS6:2FTSDONA+24	232	0	View
Milford Water Department Milford	DE0000616	PFUnA11Cl-PF3OUdS9Cl-PF3ONSDONAPFHxA+24	290	0	View
Church Creek (awc) Magnolia	DE00A0428	DONAPFMPA8:2FTS4:2FTSPFHpA+24	290	0	View
Lewes Board of Public Works Lewes	DE0000602	PFOAPFNAPFTrDANEtFOSAANMeFOSAA+24	58	4 detected	View
Millsboro Water Department	DE0000622	PFHpSNEtFOSAA4:2FTS8:2FTSPFMPA+24	58	0	View
Bayside Pump District (tui) Fenwick Island	DE00A0837	PFPeAPFBAPFHxAPFOAPFHxS+24	116	6 detected	View
Georgetown Water Department	DE0000592	PFHpSDONAPFUnAPFNAPFHxS+24	116	25 detected	View
Municipal Services Commission	DE0000634	PFUnAPFHxAPFDoAPFDAPFOA+24	58	2 detected	View
East Ncc District Odessa	DE00A0334	PFMPA6:2FTSPFBA11Cl-PF3OUdSPFUnA+24	116	0	View
Artesian Northern Sussex Regional Lewes	DE0020003	PFTeDAPFHxANEtFOSAANMeFOSAAPFBS+24	174	5 detected	View
North West Pump District Middletown	DE00A0347	11Cl-PF3OUdS4:2FTS8:2FTSPFMPAPFPeA+24	174	0	View
Laurel Water Department Laurel	DE0000597	8:2FTSNEtFOSAAPFTrDAPFTeDAPFOA+24	58	0	View

Source: EPA UCMR 5 Occurrence Data · Methodology

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