County Links Contact information for important links in Darke County. Darke County mydarkecounty.com Arcanum Schools arcanum-butler.k12.oh.us Solid Waste co.darke.oh.us/solidwaste Sheriff’s Office darkecountysheriff.org Arcanum Library arcanumpubliclibrary.org New Madison Library newmadisonpubliclibrary.org Garst Museum garstmuseum.org Eldora Speedway eldoraspeedway.com
