water balance calculation
The water balance calculation (function ws_gw_fct_waterbalance) works with the table om_waterbalance
This table have been created according the IWA standards. As result columns for this table comes from this image:
by filling on table om_waterbalance some of this values:
expl_id, dma_id, cat_period_id, total_sys_input, auth_bill_met_export, auth_bill_met_hydro, auth_bill_unmet, auth_unbill_met, auth_unbill_unmet, loss_app_unath, loss_app_met_error, loss_app_data_error, loss_real_leak_main, loss_real_leak_service, loss_real_storage, type, descript
