namoi groundwater update presentation - upper namoi, zones … · 2019-07-10 · location map upper...

NAMOI ALLUVIUM WATER RESOURCE PLAN PUBLIC EXHIBITION Department of Industry | Water – June 2019

Upper Namoi Zones 2, 3, 4, 9 and 12

Groundwater Status Update

Water Source Overview

Location Map

Upper Namoi Zone 2

Upper Namoi Zone 9

Upper Namoi Zone 3

Upper Namoi Zone 4

Upper Namoi Zone 12

Gunnedah

Zone 2 Cross Section

Zone 3 / 4 Boundary Cross Section

Zone 2 Compliance with Extraction Limit

Upper Namoi Zone 2

Access License Category

Number of Licenses Share Component

Aquifer 30 7,141

Local Water Utility 1 59

Extraction Limit: 7,200 ML/Year

Plus BLR: 7,327 ML/Year

Approximate:

Average Use Since Plan:

8,000 ML

5 Year Average Use:

8,000 ML

Zone 3 Compliance with Extraction Limit

Upper Namoi Zone 3

Access License Category Number of Licenses Share Component

Aquifer 62 17,101

Local Water Utility 1 198

Extraction Limit: 17,300 ML/Year

Plus BLR: 17,499 ML/Year

Approximate:

Average Use Since Plan:

16,000 ML

5 Year Average Use:

17,000 ML

Zone 4 Compliance with Extraction Limit

Upper Namoi Zone 4

Access License Category Number of Licenses Share Component

Aquifer 166 21,032

Local Water Utility 2 4,660

Extraction Limit: 25,700 ML/Year

Plus BLR: 26,121 ML/Year

Approximate:

Average Use Since Plan:

21,000 ML

5 Year Average Use:

20,700 ML

Zone 9 Compliance with Extraction Limit

Upper Namoi Zone 9

Access License Category Number of Licenses Share Component

Aquifer 29 11,245

Local Water Utility 2 97

Extraction Limit: 11,400 ML/Year

Plus BLR: 11,441 ML/Year

Approximate:

Average Use Since Plan:

4,000 ML

5 Year Average Use:

3,000 ML

Zone 12 Compliance with Extraction Limit

Upper Namoi Zone 12

Access License Category Number of Licenses Share Component

Aquifer 20 1,999

Local Water Utility 0 0

Extraction Limit: 2,000 ML/Year

Plus BLR: 2,042 ML/Year

Approximate:

Average Use Since Plan:

700 ML

5 Year Average Use:

700 ML

Groundwater Temporary Trading (71T)

Groundwater Temporary Trading (71T)

Rainfall Residual Mass

Upper Namoi All Bores

Upper Namoi Average Usage

Last 5 Years

Hydrographs

Example hydrograph

Zone 2 – South of Boggabri

Zone 2 – South of Boggabri

Zone 12

Zone 4 – Kelvin Rd

Zone 3 – South of Carroll

Zone 3 – Breeza North

Zone 9 – Tambar Springs

Long term water level change

map:

Pre –Development to

2015/2016

Water level change map:

2005/2006 to 2015/2016