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Matthew Ouimet, 2, of Antioch, checks out the action with his aunt Casey Wisecarver, center, uncle Jimmy Wisecarver, of Brentwood, right, and UCSF Benioff Children's hospital registered nurse Vanessa Nguyen, left, during Matthew's homecoming party at the Antioch Water Park at the Prewett Family Park and Community Center in Antioch, Calif., on Thursday, Sept. 12, 2013. Nguyen was assisting the family on her day off and is holding Matthew's feeding tube which he must have attached at all times. The water park helped sponsor the event, providing free admission from 4-7 p.m. The community celebration also featured a Red Cross blood drive, food and deejay. Matthew came home from the UCSF Benioff Children's hospital on Aug. 14 after undergoing a liver/kidney transplant on June 4. (Jane Tyska/Bay Area News Group)

ANTIOCH -- More than 200 people attended Thursday evening's welcome home blood drive and celebration for Matthew Ouimet at the Antioch City Prewett Water Park, with 70 attendees donating 74 pints of blood.

Matthew, 2-year-old son of Antioch's Kelly and Kristi Ouimet, received a kidney and liver transplant at UCSF Benioff Children's Hospital on June 4-5. He was discharged Aug. 14.

The 74 pints are roughly double what the typical blood drive nets, according to American Red Cross spokesman Jared Schultzman. A blood drive in Matthew's honor in July netted 122 pints.

"We're extremely grateful and supportive of the Ouimet family's desire to give back and help others in need," he said.

Matthew almost missed his own party. He was readmitted to UCSF on Wednesday because of dehydration and worrisome lab results. He was discharged Thursday morning.

Contact Gary Peterson at 925-952-5053. Follow him on Twitter at twitter.com/garyscribe.