FARMINGTON — Three people were arrested Thursday night after police searched a Sandy River Terrace residence and found crack-cocaine, scales, plastic baggies and other paraphernalia, Deputy Police Chief Shane Cote said.

Detective Jacob Richards received information April 6 and began an investigation into drug trafficking in Farmington. The investigation is ongoing, he said.

Richards received a search warrant and executed it at Rebecca E. Haines’ residence. The entire Farmington Police Department participated in the search, Cote said.

Richards arrested Haines, 40, of Farmington, on a charge of unlawful trafficking in schedule W drugs, he said. She was being held Friday morning on $10,000 bail at the Franklin County Detention Center. She was expected to go before a judge later in the afternoon.

Joseph Nielsen, 20, of New Gloucester was arrested on a charge of unlawful trafficking in schedule W drugs. He was released from the Farmington Police Station on unsecured bail, Cote said.

Derek Martin, 26, of Farmington was arrested on a charge of unlawful possession of scheduled W drugs. He was also released on unsecured bail from the station, he said.

The amount of crack-cocaine was not available.

A conviction for trafficking is punishable by up to 10 years in prison and fine of up to $20,000; for unlawful possession, up to five years in prison and a fine of up to $5,000.