I can't remember the last time I bought a pack of bottled water. And while I'm not perfect (if I'm at an event and need water, I will buy a bottle), I do my very best to get water from a tap or fountain.
I jogged up the Los Feliz stairs this morning with my reusable water bottle from Albertson's! I like that even mainstream retailers now carry some really nice BPA-free options to ditch disposable water bottles. The last disposable I purchased is actually still in my house -- it's liter sized so I use it for a watering can for my porch plants rather than dispose of it.
Tip: I hike with my dog, and a collapsible water dish plus an extra large reusable water bottle allow us to bring just one water bottle for both of us and both stay hydrated.
I became more hydrated! I actually drink much more water since I've purchased a reusable glass water bottle. Prior to this Takeya bottle, I re-used jam jars - they have a smaller capacity but work great!
I haven't bought a pack of water bottles in a long time. I love my Moosejaw water bottle that I take with me everywhere and I just bought Camelback filter; it's so much faster than Brita or any other pitcher filtration system! My friend has a whole reverse osmosis system in her kitchen, something I wish I could do in the future.