Just go all the way North I suppose. Thing is the lake stewards hate when you beat them there in the morning. You bring up a good point though...private launches and marinas...if invasives were the real issue they'd make everyone get a wash all the time. Do you think that happens if you live on the lake and have a private launch? I suppose this is what happens when you let a non-government entity govern a public water body. The LGA can go pound sand. Soon winter will arrive and the lake will be open to all who wish to enjoy it.