IMPERIAL COUNTY, Calif.- Once again, Imperial County saw low voter turnout for the California Primary Election. The registrar of voters in Imperial County website is showing a voter turnout of only 13%. One voter says low turnout is expected in a region like the Imperial Valley, and said she dropped off her mail-in ballot at a voting center on election day to make sure her vote was counted. " I think that it's pretty common, um, when to have a l…