I work in an office with about a thousand people, there is canteen and a drinks machine that you can buy hot an cold drinks from.
I am terrible at managing my money and therefore have no cash to buy tea as I limp towards payday tomorrow. I made a flask of tea this morning and evidently I need to run the flask through the dishwasher as my tea tastes of soup, but at least I have a drink.
IABU to expect that we should have facilities to have a drink of water? If you forget your wallet or your flask of disgusting oxtail tea you can't have a drink all day. I leave the house at 7am and generally get home around 7pm.