The spreading and decaying of a charged fluid that is issued into a stagnant fluid as an unconstraintsubmerged turbulent jet is investigated. The dynamic conservation equation of charge is solved analytically for the mean charge density field in the flow by assuming a simple velocity field and numerically by using a more accurate velocity field. It is shown that the characteristics of a charged jet can be described by a dimensionless length ratio defined as ε/ σa j with ε and σ being the fluid electrical permittivity and the fluid electrical conductivity, respectively. Based on the electrostatic properties of a charged jet, three conductivity ranges were identified. In the high-conductivity range, when σ > 0.2 εV j / a j , the charged region is confined only to the near field. In the other extreme, for σ > 0.2 εV j / a j , there is a low-conductivity range in which the charge density field in the flow behaves analogously to other conservative scalar field properties in a turbulent jet with similar rates of decay and spread. The intermediate conductivity range falls between these two limits and here charge dispersion is controlled by migration and diffusion.