Pre-Irma, there were more liveaboards in Trellis Bay than you could shake a stick at. Most of them looked like they wouldn't make it to Sprat Point, let alone three miles out. Now there are some beat-up wrecks serving the same purpose.

One issue would be who pays. Unless it's free, there will be an incentive to cheat. Look at all the houses on Tortola with septic tanks leaking onto the road and no enforcement.