Can I take a bottle of water into the park?

I did had no problem

yaeh you can bring coolers too! Disclamer though there is a restrictoin to how big the the cooler is. you can also buy some in the park.

My backpack had two bottles of water very visible, No Problemo

You can bring in a bottle of water! They do check bags for other items, not food. We have brought in water many times.

Conflicting answers

"Bottles of water (one per person) and single-serve sized snacks (approx. 2 oz or less) are allowed to be brought into the park." From the website

Do you acept pets?

Yes

Yeah you can I had some in my backpack they were very visible

My family packed a couple of book bags with food and bottled water. Even though they checked the bags it was not an issue getting the food in.