The Hon. William Menager is a justice of the peace for the Petroleum County Justice Court in Montana.
As a court of limited jurisdiction, the Petroleum County Justice Court hears criminal cases involving misdemeanor offenses, civil cases for amounts up to $15,000, and small claims cases valued up to $7,000. The court also handles landlord-tenant, local ordinances, and unlawful detainer matters. Its judges issue search and arrest warrants, and they provide initial appearances to persons arrested for probation and parole violations.