Contested local elections are on the ballot in southern San Juan County, where incumbent San Juan County Commissioner Kenneth Maryboy faces a challenge from Andrew Tso in a democratic primary.
The commission position represents the Bluff, Mexican Hat, Aneth, Montezuma Creek and Red Mesa precincts.
In addition, four candidates for a position on the San Juan School Board will be pared to two candidates on the November ballot.
The non-partisan position represents the Aneth, Montezuma Creek and Red Mesa precincts.
The candidates include incumbent Elsie Dee and challengers Michelle McCarl, Howard Todachinnie, and John Billie.
There are two federal positions on the primary ballot. Republicans will pare two candidates for the US Senate and Democrats will pare two candidates for the US House of Representatives.
In the Senate race, Tim Bridgewater and Mike Lee seek the Republican nod. They will replace incumbent Robert Bennett on the Republican ticket in November.
In the House of Representatives race, incumbent Jim Matheson is challenged by Claudia Wright.
The polls open at 7 a.m. on Tuesday and will remain open until 8 p.m.
San Juan County Clerk Norman Johnson reports that a growing number of San Juan County residents are choosing to vote early each election season.
Early voting can take place through Friday, June 18 at the San Juan County Courthouse in Monticello.
Voters in six of the San Juan County precincts will vote via absentee ballot. The precincts include Cedar Point, Ucolo, La Sal, Spanish Valley, Halls Crossing, and White Mesa.