The Twentysixth Street environmental watering site is located at the end of Twentysixth Street, not far from the Nelwart Street site, which is coloured orange on the map. In 2016, the site was dominated by black box trees, lignum, nitre bush, and samphire. The first watering occurred in 2017.
By 2020, the retention of water at the Twentysixth Street site over successive watering years encouraged a pair of swans to nest. There was also a notable increase in native duck species and other birdlife – 13 waterbird species and 18 bushland bird species have been seen at the site. During frog call surveys, six frog species have been recorded.
Significant numbers of black box seedlings germinated following the 2022 flood. A small amount of environmental water was used in 2023-24 to support the survival and establishment of the seedlings which are thriving – the watering even resulted in new seedlings emerging!