(1) If a water district is composed of all or a portion of four (4) or more counties, then nominations for directors shall be upon a petition signed by at least fifty (50) qualified electors residing in the area of the district from which the director is to be elected, to be circulated for no longer than ninety (90) days.
(2) The petition under subdivision (a)(1)(A) of this section shall be filed with the county clerk during a one-week period ending at 12:00 noon ninety (90) days before the general election.
(3) If a water district is composed of all or a portion of less than four (4) counties, then nominations for directors shall be upon a petition signed by at least fifty (50) qualified electors, who shall consist of those electors residing in all or part of any precinct in the service area of the customers of the district from which the director is to be elected.
(4) The petition under subdivision (a)(2)(A) of this section shall be circulated for no longer than ninety (90) days and filed with the county clerk during a one-week period ending at 12:00 noon ninety (90) days before the general election.
(5) A water district shall file a service area map with the county clerk no later than January 31 before the general election.
(6) Election of the directors shall be held as a part of the general election and under the laws governing it.
(7) Any director shall be qualified to succeed himself or herself.