We are excited to welcome you to our 2026 Open House featuring a variety of family-friendly activities. Come along for a tour of the nation’s largest PFAS water treatment plant of its kind, meet the dedicated water professionals who keep your water safe and reliable, and discover how YLWD delivers high-quality drinking water to our community every day. With interactive exhibits, educational activities, and something for all ages, it’s an event you won’t want to miss!
📅Date: Saturday, October 3, 2026
⌚Time: 9:00 a.m. to 12:00 p.m.
📍Location: YLWD Headquarters – 1717 E. Miraloma Avenue, Placentia
Event Highlights Include:
Department Demonstrations
Vehicle Displays
Water Treatment Plant Tours 
Games & Activities
Face Painting & Balloon Animals
Shave Ice
Giveaways & more!
The event featured a dynamic mix of family-friendly activities, hands-on demonstrations, and guided tours of the J. Wayne Miller, Ph.D. Water Treatment Plant, the largest PFAS treatment facility of its kind in the nation. Visitors met YLWD’s dedicated team of water professionals and learned how the District treats and delivers safe, high-quality drinking water to homes and businesses every day.
Highlights included three fully booked Water Treatment Plant Tours, a California Friendly Native Plants Workshop, interactive games and activities, live music by local surf band Blue Doom, and a visit from Ricky the Rambunctious Raindrop. YLWD’s Wastewater Collections Team wowed guests with a live sewer system simulation and unveiled the District’s new all-electric sewer inspection van, custom-built in-house with zero emissions and no noise.
YLWD extends heartfelt thanks to its community partners, including the Municipal Water District of Orange County, Orange County Water District, Orange County Sanitation District, Orange County Sheriff’s Department, City of Yorba Linda, and Yorba Linda High School Key Club, for helping make the day a success.
