You're doing great! Most people don't even get 8 ounces of drinking water in a day because they'd rather have soda or coffee or <insert favorite beverage here>. I've heard other people say they wait 20 minutes, not 30, but do what works for you. If you drink other stuff over ice, that ice can count toward your water, so long as you crunch it up and swallow. But just do your best, which is what you're doing.
One thing I did that really helped me was I measured my water out in the morning & stuck it in the fridge. Then I knew I had the amount I needed. But I'm one of those people who drinks water constantly because I love it, but not out of the tap. I buy and drink ONLY bottled water in the big 2.5 gallon containers with a spigot on the end, so I can easily get to it, and no chlorine taste.
Another thing I did was I carried a glass of water with me to the couch or anywhere I was sitting down, and then I drank it with a spoon. I fantasized that it was food, and "ate" it like that. It was very pleasant. I know nowadays people are advised against using straws, but there are these water glasses with lids and a built in straw that we give toddlers so they don't spill it, and that might be something your nutritionist or doctor would approve for you, especially if you are having trouble drinking. Sippy cups do the same thing, and allow you to measure your water easily. I've also used a bota bag, and other types of water bags, including canteens. I got into this when I started hiking. Online where camping supplies are sold you can also get 1 or 2 liter plastic canteens that you can sling over your shoulders, and they have tubes that come from the bag and have a "bite valve" where you can keep the tube in your mouth, then bite down to release the water whenever you want a drink.
Water is essential in the weight loss/calorie burning cycle. I think when doctors say "glasses" of water, they make it sound really hard. Who drinks glasses of water, anyway?
Once in a while during the day, lightly pinch your forearm and watch what happens. If the pinch stays up, you're not drinking enough water. If it goes back down into the skin in a few seconds, you're not dehydrated, so you're cool.
And this is just me saying this, but if you made a pitcher of iced herbal tea and took a slug every fifteen minutes or so, you'd probably get all the water you need and it wouldn't be so difficult. It's still water, after all. Just stay away from snack beverages and fruit juices. There's a lot of really delicious herbal tea around and you may not even need to add sweetener.
Just remember that water accelerates weight loss, so you're going to want to find a way to get it into your daily routine.
