In addition to other powers granted in this chapter, a district and the supervisors thereof shall have the power:
1. To sue and be sued in the name of the district.
2. To have a seal, which seal shall be judicially noticed.
3. To have perpetual succession, unless terminated as provided in this chapter.
4. To make and execute contracts and other instruments necessary or convenient to the exercise of its powers.
5. To make, and from time to time amend and repeal, rules and regulations not inconsistent with this chapter, to carry into effect its purposes and powers.