Official PFAS Records

Wyoming PFAS Watchlist

Official EPA UCMR 5 PFAS monitoring records for public water systems in Wyoming. 30 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

4,793

Total records

Official detections

Water System	PWSID	Analytes in records	Records	Detections
Cheyenne Board of Public Utilities Cheyenne	WY5600011	PFOSPFMBAPFPeANMeFOSAAPFBS+24	232	0	View
City of Casper Casper	WY5601415	PFPeSDONAPFBA6:2FTS4:2FTS+24	232	0	View
City of Laramie Laramie	WY5600029	PFPeAHFPO-DAPFDoAPFDAPFOA+24	290	0	View
City of Gillette Gillette	WY5600019	PFDoAPFHxSPFMPANFDHAPFPeA+24	116	0	View
Town of Jackson Jackson	WY5600213	DONAPFHpSPFBSPFDoAPFHpA+24	174	1 detected	View
City of Rock Springs Rock Springs	WY5601182	11Cl-PF3OUdSPFDoAPFHxAPFDANEtFOSAA+24	116	0	View
City of Sheridan Sheridan	WY5600052	PFOAPFPeS8:2FTSPFUnANFDHA+24	232	0	View
City of Evanston Evanston	WY5600150	PFOAHFPO-DAPFNAPFMBAPFHpA+24	116	0	View
City of Green River Green River	WY5601181	PFBANFDHAPFMBAPFPeAPFMPA+24	116	0	View
City of Riverton Riverton	WY5600047	11Cl-PF3OUdS6:2FTSPFPeSPFHxAPFBS+24	841	8 detected	View
City of Cody Cody	WY5600207	PFOAPFDAPFDoADONAPFPeS+24	87	0	View
South Cheyenne Water & Sewer District Cheyenne	WY5600239	NFDHANEtFOSAAPFTrDAPFTeDA11Cl-PF3OUdS+24	116	0	View
City of Rawlins Water Supply Rawlins	WY5600045	PFTrDANFDHAPFPeSPFHpS6:2FTS+24	116	0	View
Ynp-old Faithful Yellowstone Np	WY5680085	NEtFOSAAPFHxSPFNAPFOSPFOA+24	116	0	View
City of Lander Lander	WY5600176	PFUnAPFMPA11Cl-PF3OUdSPFHxS9Cl-PF3ONS+24	116	0	View
Northwest Rural Water District Cody	WY5601254	PFMBAPFHpAPFHxS8:2FTSPFNA+24	116	0	View
City of Torrington Municipal Water Dept Torrington	WY5600164	NEtFOSAANMeFOSAAPFTrDAPFTeDA11Cl-PF3OUdS+24	116	0	View
City of Douglas Douglas	WY5600137	9Cl-PF3ONSNFDHAPFEESAPFMBA11Cl-PF3OUdS+24	203	2 detected	View
City of Powell Powell	WY5600042	PFDAPFDoAPFHxAPFUnA11Cl-PF3OUdS+24	116	0	View
Usaf F.e. Warren Afb Cheyenne	WY5680122	8:2FTSPFDAPFOAPFOSPFNA+24	116	0	View
Worland Utilities Commission Worland	WY5600197	6:2FTSPFBAHFPO-DADONAPFUnA+24	58	0	View
Gtnp-colter Bay Village Moose	WY5680095	PFTeDAPFOSHFPO-DADONA9Cl-PF3ONS+24	58	0	View
City of Buffalo Buffalo	WY5600005	PFOAPFOSPFBA6:2FTSPFPeS+24	91	0	View
City of Mills Mills	WY5600036	PFNAPFTrDAPFTeDAPFUnA11Cl-PF3OUdS+24	116	0	View
Town of Bar Nunn Mills	WY5600067	PFDoAPFBSPFHpAPFHxSPFNA+24	62	0	View
Town of Wheatland Wheatland	WY5600187	NMeFOSAAPFTrDAHFPO-DANFDHAPFTeDA+24	174	0	View
City of Newcastle Newcastle	WY5600256	6:2FTSPFNAPFHxSPFHpAPFBS+24	290	0	View
Kemmerer-diamondville Jpb Kemmerer	WY5600028	9Cl-PF3ONSPFEESANFDHAPFPeSPFHpS+24	87	0	View
Town of Lovell Lovell	WY5600031	PFNAPFEESANFDHA11Cl-PF3OUdSPFHxA+24	116	0	View
High Meadow Ranch	WY5601569	DONAPFTrDANEtFOSAANMeFOSAAPFBA+24	58	0	View

Source: EPA UCMR 5 Occurrence Data · Methodology

All states Wyoming utility directory