Groundwater Management | Surface Water Management | Water Authorities
| The Wimmera Catchment Management Authority (CMA) (external link) is responsible for surface water management in the region. |
| Management arrangements for groundwater include Groundwater Management Areas, Groundwater Supply protection Areas and Groundwater Management Plans. Wimmera-Mallee Water Two water authorities service the Wimmera region. Wimmera Mallee Water (external link) provides the rural service, while Grampians Region Water Authority (external link) is the urban water supplier and sewerage authority. | ![]() |