Small scale sand mining activities take place in the Msimbazi River valley, bordering the east and southern parts of the ward, and have resulted in the widening of the river valley. As a result of this, the effects of flooding has increased, specifically affecting residents and properties in Magharibi sub-ward.
Uchimbaji mdogo wa mchanga katika bonde la mto msimbazi, lililopo mashariki na kusini mwa kata ya tabata,umepelekea kupanuka kwa bonde hilo,na madhara ya mafuriko yameongezeka na hasa upande wa magharibi mwa kata ya tabata.