Zuchwil is a municipality in the district of Wasseramt in the canton of Solothurn in Switzerland. Zuchwil is first mentioned in 1052 as Zuchw…Zuchwil is a municipality in the district of Wasseramt in the canton of Solothurn in Switzerland. Zuchwil is first mentioned in 1052 as Zuchwile. Zuchwil has an area, as of 2009, of 4.63 square kilometers. Of this area, 1.15 km² or 24.8% is used for agricultural purposes, while 0.89 km² or 19.2% is forested. Of the rest of the land, 2.45 km² or 52.9% is settled, 0.18 km² or 3.9% is either rivers or lakes.