Spain’s Civil Guard arrested the pair on Monday when carrying the drug along with equipment to weigh and handle it.
Leon’s Popular Party Secretary general told Spanish media an investigation had been opened in order to ascertain why José Antonio Gallegos and Beatriz Rodríguez had been caught in possession of the illegal substance.
Both councilmen, 38 and 35, are currently awaiting trial, online Spanish newspaper 20minutos reported on Friday.
The news comes just days after Spain’s ruling party unveiled a draft Citizen Security Law which could mean huge fines for everything from filming a policeman to possessing illegal drugs like marijuana.
Growing cannabis used to be allowed under Spain’s previous left-wing PSOE government if the person caught could prove it was for self-consumption.