Australian Reservoir Services successfully completed the upgrade of One Tree Hill Reservoir No.2 for Tamworth Regional Council consisting of removal and replacement of the roof structure and sheeting, as well the access ladder system to be upgraded to comply with AS 1657 and concrete floor repairs. The reservoir is a reinforced concrete tank with a nominated capacity of 9.0ML, a diameter of 43m, and 7.5m high. One Tree Hill Reservoir No.2 was severely damaged by a storm in December 2018, therefore, the project success had a very positive impact on the community.

Australian Reservoir Services has completed several roof replacement on water reservoirs, including the Muswellbrook Reservoir No.5 Reservoirs Upgrade.