Potsdam police charged Austin Calderwood, 29, of Potsdam, with driving while ability impaired by drugs and no or insufficient tail lamps following a traffic stop at 1 a.m. Thursday on Grove Street.
Police said he was observed traveling with insufficient tail lamps and, during the traffic stop, determined that he was under the influence of drugs.
He was released on an appearance ticket for Jan. 6 in Potsdam Town Court.
State police reported Saturday that they charged Tracy M. Hance, 38, of DeKalb with two counts of seventh-degree criminal possession of a controlled substance at 9:29 p.m. Tuesday stemming from an incident reported at 7:20 a.m. in the town of Russell.