IOWA CITY — With Johnson County’s ordinance raising the local minimum wage winning approval last week, the first of three 95-cent-an-hour increases begins in less than two months.That doesn’t leave much time for the 11 local governments within the county to decide whether the higher wage thresholds will rule within their borders.Swisher officials talked about it Monday night, and Solon officials are scheduled to take a vote on it Wednesday.“There were some concerns voiced about both the final result of what it would mean for Swisher to have the higher minimum wage, and also concerns of how the process was conducted by Johnson County and what that means for the smaller cities,” Swisher Mayor Christopher Taylor said Tuesday.