2.5.2.3 Gaps

The groundwater model was not constructed to generate subdomain groundwater balances. The surface water modelling domain overlapped, but did not conform exactly to, the groundwater modelling domain. Generating a single, integrated water balance for the Namoi subregion or for subdomains of the subregion that draws on water balance terms from both models was not possible. This mismatch in the spatial extent of the model domains does not affect the calculation of the hydrological response variables that are used in the receptor impact models.

Mine discharges from additional coal resource development were not included in the river modelling.