She became interested in geoscience in her senior year of high school, when a physics teacher and a family friend encouraged her to pursue a degree in geophysics.

[5] During this time, Singha also served as the Chair of the American Geophysical Union Hydrogeophysics Technical Committee from 2009 to 2012.

Singha is known for her work in hydrogeology, specifically for her research developing methods to quantifying processes controlling subsurface contaminant transport.

Singha has contributed widely to the field of hydrogeology through research that uses geophysical imaging to determine how water move through the subsurface.

[9] She has received funding from the NSF for several of her research projects that focus on critical zone processes, including: addressing the knowledge gap on how water stored in the subsurface influences the balance between evapotranspiration and groundwater recharge;[10] examining how river ecosystems respond to logjam disturbances, specifically in terms of how groundwater and surface water exchange and, thus, how water quality is affected;[11] and quantifying the role of bedrock in controlling the critical zone processes.