Directions Orange County Water District, located at 18700 Ward Street in Fountain Valley, California, is 15 minutes from John Wayne Airport (SNA). From John Wayne Airport & Northbound I-405: Take I-405 north from MacArthur Boulevard. Exit Euclid and make a right turn from the offramp. Follow Euclid/Ellis Avenue under the freeway. You will be on Ellis Avenue. Continue west and turn left at Ward Avenue. The entrance to OCWD is about 150 yards down on the left. From Los Angeles/Long Beach: Take I-405 south. Exit Euclid and make a right turn from the offramp. Follow Euclid/Ellis Avenue under the freeway. You will be on Ellis Avenue. Continue west and turn left at Ward Avenue. The entrance to OCWD is about 150 yards down on the left. From northeast Orange County and Riverside County: Take the 91-west to the 55-south towards beaches, to I-405 north. From I-405 exit Euclid and make a right turn from the offramp. Follow Euclid/Ellis Avenue under the freeway. You will be on Ellis Avenue. Continue west and turn left at Ward Avenue. The entrance to OCWD is about 150 yards down on the left.