Will I lose riparian access if you find aquatic life in surface or ground water

No.  Access to water for stock and domestic use are fundamental rights that will not be impacted by SREBA findings.

Finding stygofauna in groundwater helps us to understand the distribution of the different species, and the extent to which aquifers are connected. There is currently no indication to suggest that stygofauna are threatened species or have been negatively impacted by current land uses.