Groundwater (Bellenberg, Illertaltangente, Unterflur) Upper groundwater layer

The measuring point Bellenberg, Illertaltangente, Unterflur (measuring point no.: 9897) is used to monitor the groundwater level in the upper aquifer.编号为9897的贝伦贝格、伊尔塔尔切线、翁特弗尔监测测点，用于上层含水层（aquifer）的地下水位监测。