I was going this route and assume that you are looking into it for the same reasons as I was.... The incredible cost of the Tap Fees here.
You can call a couple of the well contractors in the area, typically in Freeport or somewhere similar. The bids that I received were around $2k to have them installed with the pumps and ready to go. I was told that you could only do a "Sand Well" as the deeper wells were not allowed down here. When I tried to get approved to have the well done, that is where the run around comes in. I called the county, they informed me that I would need to speak with Regional Utilities about whether or not I was "allowed" to have a well. Regional informed me that if their service was available then I was REQUIRED to use them. I went round and round for months trying to figure out how this worked, finally gave in and just went with the Tap Fee so that I could move on and get the construction rolling.
The well contractors were a wealth of information if you are interested though.
Last time I mentioned that the tap fees here were ridiculous I was blasted by the internet warriors so be prepared lol