https://www.gkd.bayern.de/en/groundwater/upper-layer/bayern/gwm5-donauauen-11214/current-values/table
Upper groundwater layer: Current data GWM5 DONAUAUEN
current datauppergroundwaterlayer
https://www.gkd.bayern.de/en/groundwater/upper-layer/bayern/gwm5-donauauen-11214/precipitation
Upper groundwater layer: Year chart of precipitation GWM5 DONAUAUEN
uppergroundwaterlayeryearchart