Groundwater Levels. In 2019, the monitoring of groundwater levels continued according to the optimized monitoring programme approved in November 2017. The modified monitoring network consists of 186 observation xxxxx (98 on the Slovak territory and 88 on the Hungarian territory). The list of observation xxxxx is given in the respective National Annual Reports on environmental monitoring and the situation of observation networks on both sides of the Danube is shown in Fig. 3-1. The groundwater level data were used for evaluation of impacts of technical measures and discharges into the Danube and the Mosoni branch of the Danube and impact of water supply on the groundwater regime. The evaluation in the local scale was done by the Parties separately and is given in their National Annual Reports. In this Joint Report, a regional evaluation was jointly elaborated according to computed groundwater level equipotential lines. In accordance with the optimization, it is possible to use additional data from other monitored objects for the creation of maps of equipotential and difference lines. If such data were used, they were provided to the other Party in the National Annual Report. The equipotential lines were constructed in order to compare groundwater levels in the influenced area in the current year and in the period before construction of submerged xxxx and introducing the water supply into the river branches on the Hungarian side.
Groundwater Levels. CPG shall collect groundwater level measurements in both production and monitoring xxxxx. Groundwater level monitoring shall include measurements prior to the CWA diversions beginning to establish background trends. CPG shall measure groundwater levels no less than monthly, during and after the assignment months until groundwater levels recover to pre- assignment levels or groundwater levels recover to seasonal highs in the spring of the year following the assignment months. CPG shall submit a proposed monitoring schedule to DWR and Reclamation.
