About one in five ballots mailed to Marana and Sahuarita voters for the towns' primary elections has been returned with one week left until Election Day.

Voters have until Friday to put their ballots in the mail to ensure they are received by the Pima County Recorder's Office by Election Day, March 12.

Voters also can drop off ballots in person until 7 p.m. March 12 at three locations:

• At the Recorder's Office, 115 N. Church Ave.

• At Marana Town Hall, 11555 W. Civic Center Drive.

• And at Sahuarita Town Hall, 375 W. Sahuarita Center Way.

Voters who lost their ballots can order replacements by 5 p.m. Wednesday by calling 724-4330.

In Marana, 4,200 of 20,226 ballots have been received so far.

Marana voters will choose four Town Council members and answer two questions about whether the town should own and operate its own wastewater-treatment plant.

In Sahuarita, 2,924 of 13,649 ballots have been received. Sahuarita voters will choose four Town Council members.

The Arizona Daily Star's online voter guide, azstarnet.com/elections, contains information and questionnaires on the Marana and Sahuarita candidates.

Contact reporter Becky Pallack at bpallack@azstarnet.com or 573-4346. On Twitter @BeckyPallack.