Not great
Went yesterday with my 2 and 8 year old sons. It was extremely overcrowded, the concrete is HOT and slippery, there is a lack of free shade. All lounge chairs are "taken" by towels and other belongings, so there is no place to sit and rest.
The rental booth ran out of floating innertubes to rent, which stinks because there are very few free innertubes to use in the Lazy River. This creates an unsafe atmosphere because swimmers are allowed to enter the river pool without an innertube, so the people in the innertubes are constanting running over the heads of the innertube-less people. I saw numerous children get momentarily trapped under innertubes, as well as people getting bumped and smashed into by tubes. Soak City in Chula Vista requires innertubes (provided free) in their Lazy River. So much safer and enjoyable.
The toddler area’s also unsafe. It's essentially a regular fast-food restaurant type padded playstructure with bridges, bop bags, and slides but the kids are all wet so they’re slip-sliding all over the place. I saw so many kids bump heads and skin knees. There’s no supervision assigned to this area, so there were way too many kids in the structure at one time & too many big kids who were just knocking down and pushing around the little kids. There needs to be a stricter age/height limit enforced here to make this area safe. The water portion of the area was disappointing - just a few sprinklers squirting water, no interaction required (no wheels to turn, or buttons to push) and there is no wading pool underneath it all, just smooth slippery concrete.
The large water slides located at the rear of the park are fun for bigger kids. The runs are short and FAST. I recommend doing the runs that require a tube. The lifeguards on duty at the slides are focused on operating the green light/red light system and not on watching the swimmers, even at the bottom.
Another safety concern - the lifeguards evacuated the Lazy River pool. I asked why and was told that someone pooped in the pool. 15 minutes later, the river reopened. I was told their standard procedure when that happens is to just let the pool filter for a short time. That kinda grossed me out.
The food at the concession stand was very good. Good value, too. We had grilled cheeseburgers that were fresh and tasty.
Bottom line, if you happen live around the corner, it may be a good choice for your older kids to cool down. If you want a safer, cleaner, more interactive, well-supervised experience for your toddler - try the Ned Baumer Aquatic Center in San Diego. If you want a bigger, cleaner, safer, all-around better water park experience for all ages (including an awesome toddler area) - go to Knott's Soak City in Southern San Diego. You get much for value and enjoyment for your dollar.