New device helps Valdosta monitor water flow in sewer system There are 16 flow monitors around the city. (Source: WALB) By Jennifer Morejon | March 10, 2021 at 6:00 PM EST - Updated March 10 at 6:00 PM VALDOSTA, Ga. (WALB) - To help with flooding and sewer system issues, the City of Valdosta is putting a new tool to work. There are 16 flow monitors around the city. This device helps them monitor the sewer systems. (Source: WALB) The Central Lines Division is responsible for the maintenance, repair and minor construction of the city’s water distribution and sanitary sewer collection systems. This device helps them monitor the sewer systems.