Butler County Parks and Recreation and the Butler County Humane Society will have a Dog Paddle Pool Pawty from 1 to 4 p.m. Sunday (Sept. 13) at Alameda Waterpark, 184 Alameda Park Road.

For the canine-only swim, lifeguards will be on duty and there will be play stations. The party includes contests for the longest jump and the best dressed dog. Take a copy of the pet's license and a copy of current vaccination records to gain entry to the water park.

Half of the proceeds will benefit Butler County Humane Society.

FREEPORT — The Freeport Library, 428 Market St., will host a fundraising flea market from 8 a.m. to 3 p.m. Sept. 19.The sale will offer flea market items, jewelry, collectibles and used books.For more information, call 724-295-3616.Library offers costume swapThe Butler Public Library, 218 N. McKean St., will host a costume swap from 10 a.m. to noonOct. 3 in the library's lower level meeting room.To participate, donate swapable costumes for all ages and sizes at the library front desk until Sept. 30.In exchange for each complete, clean, gently worn costume, library staff will provide one swap voucher to claim a new-to-you costume Oct. 3.The library also will accept costume donations from individuals who do not wish to receive a costume in exchange.Participants must take a costume voucher with them to the costume swap Oct. 3.For more information, contact Caitlyn Bovard at 724-287-1715, Ext. 115, or at cbovard@bcfls.org.

PORTERSVILLE — Portersville Christian School, 343 E. Portersville Road, will host a fall vendor sale from 10 a.m. to 5 p.m. Sept. 26. The sale proceeds will provide student financial aid and technology essentials.There will be more than 30 vendors, food, crafts and a basket auction.

VALENCIA — Wildbird Recovery will have a Fall Migration Festival from noon to 5 p.m. Sept. 27 at 120 Forsythe Road.Participants will meet the education birds, tour the property, see presentations on beekeeping and wildlife rehabilitation and sample a buffet meal. There also will be chain saw carving, a silent auction and a basket raffle.For more information, visit www.wildbirdrecovery.org.Notices of local upcoming news should be received by the Focus Department one week in advance of the event. Entries should include the name and phone number of the person providing the information and be sent to: P.O. Box 271, Butler, PA 16003, or focus@butlereagle.com.