[Uptown Girl]

There are hose bibs, at least two- one front and back. If you build from scratch, I imagine you could add more (like on the lanai)
Drip irrigation will not waste water (as you know!) so I doubt you will use more than we are asked to during 'drought' times.
The water is not parceled out or turned off after an allotted time by anyone other than the homeowner. If a homeowner uses extraordinary amounts, they may receive a notice about it.
There could be a leak the homeowner is unaware of (like a break in the underground irrigation) so the notice is as much a courtesy as a request to monitor usage. The Villages can track how big your lot is and they recommend water usage based on that.

When owners have new landscaping installed by reputable companies, forms are filed for approval and we are given more leeway in watering for the first 30 days or so afterward.
I have found that the soil here drains very fast- Where I could (up North) throw a bucket of water here and there on thirsty specimens during dry spells, it is wasted effort here. Trickle watering and limited sprinkling days/times for the irrigation system is much more advantageous to the plants and so a wiser use of water. Keeps the turf healthier too.

I do have a neighbor who has installed a rain barrel collection system as a supplement to her gardening and she is very happy with that.

I do very little container gardening anymore and no veggies at all, but have many in ground lovely things I tend.
Central Florida gardening is a whole new adventure for me. I had to do a lot of new research!
Hope you will be a Villager soon. WELCOME to TOTV. Happy Gardening!