What are the possible solutions for an uphill septic system in rocky area around lake
Forget a septic system and instead get a waste water treatment system. The output is drinkable, clean water. However, most people prefer to just use the water for watering the lawn.

This Old House installed one recently. See http://www.thisoldhouse.com/toh/tv/house-project/show-descriptions/0,,20587082,00.html