Marlborough Sounds Resource Management Plan a) In all areas domestic bores must have a minimum separation distance of 10 metres from any other domestic bores to mitigate against the drawdown effects of other bores. Figure 26.3 b) In all areas irrigation bores must have a minimum separation distance of 50 metres from any other bore to mitigate against the drawdown effects from nearby bores. Figure 26.4 c) All bores must have a minimum separation distance of 30 metres from soakage field of a septic tank and offal pits to mitigate against contamination. Figure 26.5 d) All bores must have a minimum separation distance of 20 metres from the toe of a stopbank to avoid destabilisation of the bank. Figure 26.6 26 - 14