Greenies will tell you to put it back where you got it,,,,,, Good luck with that.
Technically, the best things you can do are ,,,,
1. Incineration,,,, but someone will complain it adds to air pollution.
2. A Septic system which you will be told will cost thousands just to apply for, much less build.
3. Haul it out, on a ,,, still to be developed , solar/wind powered system which will magically convert all waste to a grey material which feeds microorganisms, that will later feed insects, which will later feed small birds and reptiles.
So to make a long story short,
You cant win, no matter what you do, someone will be offended, complain, file a grievance or just plain old gripe. If you dont own the land, someone will have a problem, and their problem will magically become yours.
