Table 10.

Occurrence of glyphosate in water.

Country	Matrix	Number of Samples	Detection Frequency (%)	Minimum (μg/L)	Mean (μg/L)	Maximum (μg/L)	References
Switzerland	Surface water	151	0	<0.02	<0.02	<0.02	[95]
Mexico	Groundwater	29	89.7	<0.05	0.94	1.70	[96]
	Bottled drinking water	15	86.7	<0.05	0.48	0.78
Germany	Surface water	39	59	<0.025	0.12	0.59	[97]
USA	Several types of water	3732	39.4	<0.02	nd	476	[98]
Several European Countries	Surface water	50,805	28.9	<0.003	nd	50	[99]
	Groundwater	36,298	1.3	<0.01	nd	24

nd—not determined.