Omni Water Solutions, a portfolio firm of the Austin Technology Incubator (ATI), raises a $4m venture round led by Austin Ventures.

Mobile water treatment solutions firm Omni Water Solutions, affiliated with the University of Austin at Texas, has raised $4m in a venture round led by Austin Ventures (AV).

The firm joined the University’s Austin Technology Incubator in mid-2011, and has since gone on to both raise the latest $4m round, and a $7.9m series A last year, also led by AV.

Along with AV, a further 15 investors have participated in the latest round, according to local news provider Austin Business Journal. In addition, former FTS International chief executive Marc Rowland will join Omni’s board of directors.

Founded in 2010, Omni provides technology for fracking which allows water used in the process to be recycled.

Warren Sumner, chief executive of Omni Water Solutions, said: “Our investors strongly support our plan for growth and the new funds will enable Omni to meet the demand we are seeing from customers in the Texas shale plays. In addition to the funding, we are excited about adding Marc to our board.  His global experience in exploration and production and energy services complements our water treatment expertise, and I look forward to working with him to realize the vision we have for Omni.”