Watersheds come in families; nested levels of intimacy. On the grandest scale, the hydrologic web is like all humanity ----- Serbs, Russians, Koyukon Indians, Amish, the billion lives in the People’s Republic of China-----its broadly troubled, but it’s hard to know how to help. As you work upstream toward home, you’re more closely related. The big river is like your nation, a little out of hand. The lake is your cousin. The creek is your sister. The pond is her child.