After the collapse of the Russian Empire in 1917, in 1918 Basarabia decide union with the motherland Romania, so the region today forming part of the Bălți County (1918–1944).

The territorial-administrative, certified as the district Lazovsky District (Sîngerei), was established on 11 November 1940 following a decision by the Supreme Soviet of the Moldavian SSR, a few months after Russian troops entered the area between the Prut and Nistru.

Of birds there are: stork, egrets, quail, heron, steppe eagle, crow, nightingale and others.

Forests occupy 10.9% of the district and there are: oak, ash, hornbeam, hazel, acacia and other trees.

District is located in the Nistru river basin, crosses the river Răut (286 km) the largest tributary of the Nistru, with its tributaries: Soloneţ, Ciulcul de Mijloc, Cubolta (102 km).

Agriculture is the main branch of economy grow: cereals (wheat, barley, oats), vegetables, tobacco, sunflower, sugar beet, in orchards: apple, plum, pear, cherry and others.

The district Singerei works: Singerei district hospital with general fund of 280 beds, a center of family doctors in the composition of which are 17 family physician offices, nine health centers, 30 health points.