After statehood, each township was to have an official that was in charge of mowing the roads and maintaining a cemetery. Most twps only had 1 cemetery, but some had individuals, churches or towns that would start another one. Your family site was probably a private one and after all these years has no one to maintain it.
So, it is up to the family, church, individual, etc. to keep it up.
Good luck. I was looking for Konklins when I found this.