Table 4.

Standards and guidance values for PFAS in drinking water; PFAS analyte concentration (µg/L)

Location		Agency and/or dept.	Standard and/or guidance	Type	PFBA	PFHxA	PFOA	PFBS	PFOS	HFPO NH4 +
CAS number					375‐22‐4	307‐24‐4	335‐67‐1	375‐73‐5	1763‐23‐1	3252‐13‐6
US Environmental Protection Agency
	USEPA	Office of Water	HA	DW			0.070		0.070
US states
	Alaska (AK)	DEC	Action level	DW/GW/SW			0.070		0.070
	California (CA)	SWRCB	NL	DW			0.0051		0.0065
		SWRCB	RL (CA)	DW			0.0100		0.0400
	Connecticut (CT)	DPH	AL	DW/GW			0.070		0.070
	Massachusetts (MA)	DEP	Drinking water values	DW			0.020		0.020
	Michigan (MI)	DEQ	GCC	DW/GW			0.070		0.070
		DHHS	Screening levels	DW			0.009	1	0.008
	Minnesota (MN)	MDH	HRL‐subchronic	DW/GW	7		0.035	9
		MDH	HRL‐chronic	DW/GW	7		0.035	7	0.300
		MDH	HBV‐subchronic	DW/GW				3	0.015
		MDH	HBV‐chronic	DW/GW				2	0.015
	Nevada (NV)	DEP	BCL	DW			0.667	667	0.667
	New Jersey (NJ)	DEP	MCL	DW
		DWQI	MCL	DW			0.014
		DWQI	MCL	DW					0.013
	North Carolina (NC)	DHHS	Health goal	DW						0.140
	Ohio (OH)	ODH	Action level	DW			0.070	140	0.070	0.700
	Rhode Island	DEM	GWQS	DW/GW			0.070		0.070
	Vermont (VT)	DEC/DOH	MCL	DW/GW			0.020		0.020
			DEC/DOH	HA	DW/GW			0.020		0.020
International
	Australia	DOH	Health‐based	DW			0.560		0.070
	British Columbia, Canada		Water standard	DW/GW			0.200	80	0.300
	Canada	HC	DWSV	DW	30	0.200	0.200	15	0.600
		HC	DWSV	DW
		HC	MAC	DW			0.200		0.600
	Denmark	EPA	Health‐based	DW/GW	0.100	0.100	0.100	0.100	0.100
	Germany	GMH	Health‐based	DW			0.300		0.300
			Administrative	DW			0.100		0.100
	Italy		Health‐based	DW	7	1	0.500	3	0.030
	Netherlands	EPA	Health‐based	DW					0.530
			Administrative	DW					0.0053
	Sweden		Health‐based	DW					0.090
			Administrative	DW		0.090	0.090	0.090	0.090
	UK	DWI	Health‐based	DW			10		0.300
			Admin. level 1	DW			0.300		0.300
			Admin. level 2	DW			10		1
			Admin. level 3	DW			90		9

DEC = Dept. of Environmental Conservation; DEM = Dept. of Environmental Management; DEP = Dept. of Environmental Protection; DEQ = Dept. of Environmental Quality; DHHS = Dept. of Health and Human Services; DOH = Dept. of Health; DPH = Division or Department of Public Health; DWI = Drinking Water Inspectorate; DWQI = NJ Drinking Water Quality Institute; EPA = Environmental Protection Agency; GMH = German Ministry of Health; HC = Health Canada; MDH = Minnesota Department of Health; ODH ‐ Ohio Dept. of Health; SWRCB = California State Water Resources Control Board; AL = private well action level; BCL = basic comparison level; DWSV = Drinking Water Screening Value; GCC = Generic Cleanup Criteria; GWQS = Groundwater Water Quality Standard; HA = lifetime health advisory; HBV = health‐based value; HRL = health risk limit; MAC = maximum acceptable or allowable concentration; MCL = maximum contaminant level; NL = Notification Level; RL = reporting level; RL (CA) = Response Level (California only); PFAS = per‐ and polyfluoroalkyl substances; PFOA = perfluorooctanoic acid (C8); PFOS = perfluorooctane sulfonic acid (C8); PFBA = perfluorobutyric acid (C4); PFBS = perfluorobutane sulfonic acid (C4); PFHxA = perfluorohexanoic acid (C6); HFPO NH₄ ⁺ = hexafluoropropylene oxide dimer acid, ammonium salt; DW = drinking water; GW = groundwater.

^a Based on ITRC (2020), Table 4–1, accessed 2020‐06‐24.