AUBURN – Sewer District trustees were informed Tuesday that costs associated with the failure of the Little Andy Pump Station earlier this month are likely to cost about $50,000.

A temporary bypass system was used while the 27-year-old station near the Little Androscoggin River was out of service for about a week for repairs.

A nearly foot-wide, T-shaped check valve at the discharge side of one of the three pumps in the station leaked, causing the station to flood. As a result, all of the electrical equipment inside the station failed. Vacuum trucks were used to extract water. District employees and an electrical contractor used a crane to extract the pumps. They were dried in large “ovens,” according to district engineer John Storer.

General Manager Norm Lamie said the possibility of upgrading the station was discussed by the trustees.

One option was to install a gravity sewer, which could cost as much as $7 million. The board is considering upgrading the station to get another 20 years of service from it.

A gravity sewer may be necessary along the Little Androscoggin in the future, Lamie said. But not in the near future: “It might be 20 years out,” he said.