In　the　title　compound,　[Cu(C6H3N2O5)(2)(H2O)(2)],　the　Cu-II　ion,　lying　on　an　inversion　center,　is　coordinated　by　two　pyridine　N　atoms　and　two　carboxylate　O　atoms　from　symmetry-related　two　4-hydroxy-5-nitropyridine-2-carboxylate　ligands,　and　two　water　molecules,　forming　a　distorted　octahedral　geometry.　In　the　crystal,　O-H　center　dot　center　dot　center　dot　O　hydrogen　bonds　link　the　complex　molecules.　One　of　the　H　atoms　of　the　water　molecule　is　disordered　over　two　sites　of　equal　occupancy.