Tamar Estuary
River Health Action Plan
i
Contents
Executive Summary ..................................................................................................................................... 1
Background and Process ............................................................................................................................................................... 1
Catchment Action Working Group .......................................................................................................................................... 1
Combined System Overflow Working Group ........................................................................................................................ 3
Recommended Projects and Implementation .......................................................................................................................... 6
Other Recommendations ............................................................................................................................................................. 7
Recommendations ....................................................................................................................................... 8
1. The kanamaluka/Tamar Estuary, its catchment and the Launceston Combined System .......... 10
2. Tamar Estuary Management Taskforce ........................................................................................... 13
2.1
Launceston City Deal .................................................................................................................................................... 13
2.2
Membership of the Taskforce and its governance .................................................................................................. 13
2.3
Taskforce Terms of Reference .................................................................................................................................... 14
2.4
Initial priorities agreed by the Taskforce .................................................................................................................. 14
2.5
Establishment and scope of working groups ............................................................................................................ 15
2.6
Initial funding for Taskforce activities ........................................................................................................................ 15
3. Process and consultation ................................................................................................................... 17
3.1
Tamar Facts paper and public consultation .............................................................................................................. 17
3.2
Specialist input ................................................................................................................................................................. 17
3.3
Submissions received and key themes ....................................................................................................................... 18
4. Catchment Action Working Group .................................................................................................. 20
4.1
Membership ..................................................................................................................................................................... 20
4.2
Previous work available and updates completed .................................................................................................... 20
4.3
Criteria for investment plan ......................................................................................................................................... 21
4.4
Actions considered ........................................................................................................................................................ 22
4.5
Findings .............................................................................................................................................................................. 23
4.6
Recommendations and expected benefits ................................................................................................................ 25
5. Combined System Overflows Working Group................................................................................ 28
5.1
Membership and specialist advice ............................................................................................................................... 28
5.2
Previous work available ................................................................................................................................................. 28
5.3
Hydraulic modelling and scenarios considered ....................................................................................................... 28
5.4
Water quality ................................................................................................................................................................... 30