❓ Question regarding the performance assessment of drainage systems in Henley Brook and West Swan due to resident concerns about their effectiveness. The question seeks to identify any deficiencies found.

I refer to drainage systems in Henley Brook and West Swan, which residents claim are not functioning effectively, and I ask:(a) has the Department assessed the performance of these drainage systems; and(b) if yes to (a), what deficiencies have been identified? I refer to drainage systems in Henley Brook and West Swan, which residents claim are not functioning effectively, and I ask: (a) has the Department assessed the performance of these drainage systems; and (b) if yes to (a), what deficiencies have been identified?