In addition to powers elsewhere conferred upon the board of county commissioners, the board of county commissioners of any county is authorized and empowered:
1. To establish, construct, purchase, otherwise acquire, improve and extend swimming pools, facilities and buildings therefor;
2. To equip and furnish the same;
3. To acquire a suitable site or ground for any of the facilities; and
4. To issue bonds therefor (or any combination thereof), at one time, or from time to time.