Welcome to IRV2! We're really glad you joined the bunch!
Sounds like you've got yourself quite a problem! I'm not sure how you will dispose of the black tank contents unless you hire someone to come out there and suck it out. Hope you enjoy the forum!
Good luck, happy trails, and God bless!
Joe & Annette
Sometimes I sits and thinks, sometimes I just sits.....
2002 Monaco Windsor 40PBT, 2013 Honda CRV AWD