If the local council doesn't cooperate with your request of making a spot available to build dirt jumps, there's always the possibility to do it yourself. You can't have it close to where people live. The more people/kids know about it, the sooner they'll be destroyed. Find a location that you normally would never go to. Check the dirt. If it has a hilly section that's a plus too. The folks in Bochum, Germany have been digging and riding at the same spot for years. It's hidden in the woods and no we're not going to tell you where it is. Dig your own.
After doing a BMX 'zine for ten years (1987 - 1996) FATBMX made it on the internet. The year was 1998. Here to stay.