Weekly hydrological report shows steady inflow and discharge across the Vaal Dam and barrage. Vaal Dam weekly levelsStorage stood at 101.26% on both Monday and Tuesday before dipping slightly to 101.13% on Wednesday and Thursday, then easing further to 101.00% by Friday. The weekly average came to 101.16%, with a high of 101.26% and a low of 101.00%, the report showed. Around the same time last year, the dam stood at 106.4%, a bit higher than the levels recorded this week. Vaal barrage discharge fluctuated more sharplyThe Vaal Barrage showed greater daily variation.