In the years 2015 2016 was examined in the Lusatian mountains 10 head where it sprang. In each of its fauna has been collected as bentická, as well as underground, and now in three series. Then there was the environment of each spring, which is bound by the occurrence of fauna. Were chemical and physical parameters. In 9 of the watch was continuously measured and the measured temperature of the individual chemical physical indicators. It was found that the environment springs from 2013 has changed significantly, so it is stable. The water that flows on the surface, here is clean and almost meets in terms of chemical ukazatelůnormy of drinking water. The source for all the circumstances today, is the same. The underground source of these sources comes from the period of coniaku and is very shallow. The composition of the benthic fauna is significantly changed from 2013, only changing the abundance of individuals. Once again managed to confirm the occurrence of the ploštěnky mountain (Crenobia alpina). By lapacích o.k., managed to remove fauna occurring in the groundwater. It was deep and.