N-(2-Aza­niumyleth­yl)carbamate monohydrate

In the crystal structure of the title compound, C3H8N2O2·H2O, the organic mol­ecule exists as zwitterion with the carboxyl group deprotonated and the amino group protonated. In the crystal, the components are linked by O—H⋯O and N—H⋯O hydrogen bonds