The El Dorado Hills Community Services District will sponsor a blood drive for BloodSource from 2 to 7 p.m. Monday at 1021 Harvard Way, El Dorado Hills. Donors must be 17 or older, in good health, weigh at least 110 pounds and present photo identification. For more information, call (916) 933-3679. For donor eligibility questions, call (800) 995-4420.