Auckland hydrology situation report. 7 March 2022
Author:Kolt Johnson, Auckland Council Research and Evaluation Unit, RIMU
Source:Auckland Council Research and Evaluation Unit, RIMU
The New Zealand Drought Index for the Auckland Region has dropped to the lowest category of Dry. Regional monthly rainfall for February was approximately 20% above the long-term average. Most soil moisture sites are in the Normal range, however three sites have a Low or Very Low status. River flows are variable, with 17 below the mean annual low flow (MALF), 15 of which are below 85% MALF. Groundwater levels vary across the region but have dropped at several locations. Many sites in the deep aquifers in the south of the region are at a Very Low status. ...