Table 1–1.

Common antibiotics detected around the world in different sources of water.

Antibiotic	Concentration (ng/L)	Source	Region	Reference
Clarithromycin	1.7±0.1	Surface water	United States	[121], [122]
	40.1−54.4	River	Spain
	524	River	United Kingdom
Erythromycin	21–33	River	Spain	[123]
	2000	River	United Kingdom
Sulfamethoxazole	4	Surface water and groundwater	France	[124], [125]
	2626.3	Hospital effluent	Greece
	0.6		Southeast Asia
Amoxicillin	261±3	Surface water	Hong Kong	[124], [126]
	150		Southeast Asia
	10,000,000		Italy
Chloramphenicol	3	River	Spain	[124]
	2.0		Southeast Asia
Norfloxacin	48±19	Surface water	Hong Kong	[127]
Indomethacin	3	River	Spain	[128]
Metronidazole	145	Hospital effluents	Spain	[129]
Azithromycin	163	River	UK	[123]
Ciprofloxacin	2610	Municipal wastewater	Western Balkan region	[130]
	30	Surface water	United States
DiOH-CBZ	3400–4000	WWTP	Many countries	[131]
Fenofibric acid	394	WWTP	Spain	[131]
CX-IBU	10,600–38,400	WWTP	Many countries	[131]
OH-IBU	1130–6840	WWTP	Many countries	[131]
Aminophen	90–6000	WWTP	Many countries	[132]
Salicylic acid	2014.7	Groundwater	China	[132]