ðɪs tˈʌnəl ɛnˈeɪbəld wˈɔːɾɚ təbi tɹænsfˈɜːd fɹʌm mˈæŋɡɹoʊv kɹˈiːk dˈæm tə wˈaɪɑːŋ ɹˈɪvɚ, fɔːɹ ɛkstɹˈækʃən æt ðə wˈaɪɑːŋ ɹˈɪvɚ wˈɪɹ fɔːɹ stˈoːɹɪdʒ ɪn mˈɑːɹdi dˈæm.
This tunnel enabled water to be transferred from Mangrove Creek Dam to Wyong River, for extraction at the Wyong River Weir for storage in Mardi Dam.