3-7-402. Disqualification of water judge or master. (1) A water judge may withdraw or may disqualify the water master in any proceeding or pertinent portion of a proceeding in which the judge's or the water master's impartiality might reasonably be questioned.

(2) A water judge may also withdraw or may disqualify the water master in the following circumstances:

(a) if the judge or the water master has a personal bias or prejudice concerning a party of personal knowledge or disputed evidentiary facts concerning the proceeding;

(b) if in private practice the judge or the water master served as a lawyer in the matter in controversy or a lawyer with whom the judge or the water master previously practiced law served during the association as a lawyer concerning the matter or the judge or the lawyer has been a material witness concerning it;

(c) if the judge or the water master has served in governmental employment and in that capacity participated as counsel, adviser, or material witness concerning the proceeding or expressed an opinion concerning the merits of the particular case in controversy;

(d) if the judge or the water master knows that the judge or the water master, individually or as a fiduciary, or the judge's or the water master's spouse or minor child residing in the judge's or the water master's household has a financial interest in the subject matter in controversy or in a party to the proceeding or any other interest that could be substantially affected by the outcome of the proceeding; or

(e) if the judge or the water master or the judge's or the water master's spouse or a person within the third degree of relationship to any of them (as calculated according to 72-11-101 through 72-11-104) or the spouse of such a person:

(i) is a party to the proceeding or an officer, director, or trustee of a party;

(ii) is known by the judge or water master to have an interest that could be substantially affected by the outcome of the proceeding;

(iii) is to the judge's or water master's knowledge likely to be a material witness in the proceeding.

(3) A water judge should be informed about the judge's and the water master's personal and fiduciary financial interests and make a reasonable effort to be informed about the personal financial interests of the judge's and the water master's spouse and minor children residing in the judge's or the water master's respective household.