Legislative Council Thursday 10 December, 2020
Ms FORREST question to LEADER of the GOVERNMENT in the LEGISLATIVE COUNCIL, Mrs HISCUTT
With regard to the Waratah Reservoir, I am informed that TasWater has sought permission from DPIPWE to decommission the Waratah Reservoir during the week of 8th of December. Please provide full details regarding:
1. The contents of this application;
TasWater has recently submitted a Dam Works Permit application to the Department of Primary Industries, Parks, Water and Environment (DPIPWE) to decommission the dam.
For a permit to be granted DPIPWE needs to first assess the application. The process of assessing an application is detailed in DPIPWE’s guideline “Obtaining a Division 3 Dam Works Permit”.
The contents of TasWater’s application is in accordance with DPIPWE’s Application to undertake Dam Works, (Division 3 Permit), (Removal of Dams). The criteria is summarised below:
• A Consequence Category Assessment of the proposed dam works satisfying the requirements of the Water Management (Safety of Dams) Regulations 2015.
• A dam works site plan in accordance with the Division 3 Permit Dam Works Code 2015
• If the dam is over 10 m in maximum height or classified as a ‘Low’ or above Consequence Category, a Preconstruction Investigation and Design Report undertaken in accordance with the Department’s Guidelines for Preconstruction Reports and satisfying the requirements of the Water Management (Safety of Dams) Regulations 2015.
• If ‘Potential for Loss of Life in the event of dam failure’ has been identified by the Consequence Category
• Assessment, a Dam Safety Emergency Management Plan in accordance with the Department’s Guidelines for Dam Safety Emergency Plans.
• A report detailing how the current dam’s material will be managed to avoid significant adverse impacts on water quality and downstream water users; natural values; and public or private assets
• A report detailing how the existing infrastructure and site conditions will be managed to accommodate dam removal works, including:
• management of water in the existing dam, or likely to flow into the dam during dam works
• management of silt in the existing dam
• how the site will be rehabilitated and its on-going management
• A full copy of title including details on any restrictions, easements, covenants or Part 5 Agreements (Section 71 of LUPAA) on the title.
• Photographs of the full extent of the location of the proposed dam works.
2. Details as to when the 2-week public input period commence/finish;
DPIPWE will advertise for public comment. The timeframe for lodging a representation under Water Management Act 1999 (145) subsection (2)(d) is to be a period of not less than 14 days commencing on the day notice of the application is published in a local newspaper under subsection (1)(a).
3. When TasWater proposes to commence the decommissioning.
Should TasWater receive approval to remove the dam, the process to commence decommissioning work could commence in mid-late March 2021.