WINSLOW — A group fighting to prevent removal of the Halifax Dam plans to meet this week to discuss whether to appeal a recent Zoning Board of Appeals decision allowing for dam removal and fish passage.

Kenneth Fletcher, a founder of the group, Save Our Sebasticook, said his group is weighing all options.

“We’ll get together as a group, discuss the situation, get a feel for what people want to do and go from there,” he said.

The Appeals Board on Monday voted 5-0 to affirm a Planning Board decision of March 17 that approves FPL Energy’s application to remove the dam.

SOS and resident Jane Edwards filed separate appeals to that decision, saying the Planning Board erred when it approved the application. Edwards’ appeal argued the Planning Board did not discuss an issue involving chromium in the soil potentially causing a health and safety problem if the dam is removed; SOS argued several issues, including that dam removal could result in significant erosion and adversely impact wildlife — and residents and homes on Dallaire Street could be at risk if the riverbank slumps with dam removal.

Allen Wiley, vice president of FPL Energy Hydro LLC, said he and others felt the Appeals Board made the right decision, and FPL’s obligation to proceed with dam removal and offer fish passage will move forward. Wiley is director of business and regulatory affairs for FPL Energy.

“The plan has been to initially draw down, as outlined in the Planning Board permit, the first of July and after about a two-week draw-down we’d start breaching the dam — mid-July,” Wiley said Wednesday from his Augusta office.

After about another week of draw-down, removal of the dam would start, he said.

“We’re basically talking between July and probably into the latter part of September,” Wiley said.