DEECA Victorian Water Accounts 2021-22

About the area

The Moorabbin Groundwater Management Area (GMA) covers a sand aquifer with layers of silt and clay in the inner south-eastern suburbs of Melbourne.
The water authority responsible for managing groundwater in the Moorabbin GMA is Southern Rural Water.
The Moorabbin GMA Local Management Plan applies to groundwater resources for all formations below the surface.
More information on groundwater management can be found on the Southern Rural Water website.

Groundwater level trends

Table 1: Groundwater level trends, Moorabbin GMA

Groundwater management unit ¹		2021-22	2020-21
Moorabbin		Rising	Rising	Declining	Rising	Stable	Rising	Rising	Rising

Groundwater management unit ¹		2021-22	2020-21
Moorabbin		Rising	Rising	Declining	Rising	Stable	Rising	Rising	Rising

Groundwater restrictions

There were no restrictions on licensed use for the Moorabbin GMA in 2021-22.

Entitlements and use

Groundwater is available for licensed (non-urban) supply and for domestic and stock use.

Entitlement volumes

Table 2: Groundwater entitlements at 30 June, Moorabbin GMA

Use type	2021-22 (ML)	2020-21 (ML)
Licensed use (non-urban)	2,624	2,624
Total	2,624	2,624

Use type	2021-22 (ML)	2020-21 (ML)
Licensed use (non-urban)	2,624	2,624
Total	2,624	2,624

Available water and use

The table below shows the total water available and used under entitlements, and estimated domestic and stock use in 2021-22. Total water available under entitlements is the sum of: opening carryover, allocation issued and the net of the in/out trade of water.

Estimated domestic and stock use is calculated based on an assumed usage per registered bore per year. In this GMA, 1.5 ML usage per bore per year is assumed.

More information on groundwater use and availability has been detailed in the How do we account for groundwater section.

Table 3: Groundwater availability and use, Moorabbin GMA

Use type	Available water (ML)	Water taken (ML)
Licensed use (non-urban)	0	2,624	0	2,624	769
Domestic & Stock	-	-	-	-	257
Total 2021-22	0	2,624	0	2,624	1,026
Total 2020-21	0	2,624	0	2,624	922

Use type	Available water (ML)	Water taken (ML)
Licensed use (non-urban)	0	2,624	0	2,624	769
Domestic & Stock	-	-	-	-	257
Total 2021-22	0	2,624	0	2,624	1,026
Total 2020-21	0	2,624	0	2,624	922

Compliance

Compliance against water entitlements is reported for this groundwater management unit (GMU) in two areas:

entitlement issued: the volume of entitlements issued in the GMU does not exceed relevant PCVs or has not increased without appropriate approvals
water extracted: the volume of water taken under entitlements during the year does not exceed the total water available to licence holders.

Key points on compliance against entitlements

Entitlement volume did not exceed the PCV

The volume of entitlements (2,624 ML) in the Moorabbin GMA did not exceed the PCV (2,700 ML).

Total volume extracted under licences was within the available volume

The total volume extracted under licences (769 ML) was within the volume available for the year (2,624 ML).

Table 4: PCV vs total entitlement volumes, Moorabbin GMA

Groundwater management unit		PCV	Licensed entitlement (ML)	Water available under licences (ML)	Water taken under licences (ML)
Moorabbin GMA		2,700	2,624	2,624	769

Groundwater management unit		PCV	Licensed entitlement (ML)	Water available under licences (ML)	Water taken under licences (ML)
Moorabbin GMA		2,700	2,624	2,624	769

Management responsibilities

Management of water in the Moorabbin GMA is undertaken by Southern Rural Water.

Authority	Management responsibilities
Southern Rural Water	Manages groundwater resources. Developing and implementing groundwater management plans. Issues licences for groundwater use, bore construction, and surface water diversions. Administers domestic and stock use.

Authority

Management responsibilities

Southern Rural Water

Manages groundwater resources.

Developing and implementing groundwater management plans.

Issues licences for groundwater use, bore construction, and surface water diversions.

Administers domestic and stock use.

Nearby groundwater management units

Cut Paw Paw GMA

Explore the Cut Paw Paw Groundwater Management Area (GMA).

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Frankston GMA

Explore the Frankston Groundwater Management Area (GMA).

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Moorabbin GMA

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In this area

About the area

Groundwater level trends

Table 1: Groundwater level trends, Moorabbin GMA

Groundwater restrictions

Entitlements and use

Entitlement volumes

Table 2: Groundwater entitlements at 30 June, Moorabbin GMA

Available water and use

Table 3: Groundwater availability and use, Moorabbin GMA

Compliance

Key points on compliance against entitlements

Entitlement volume did not exceed the PCV

Total volume extracted under licences was within the available volume

Table 4: PCV vs total entitlement volumes, Moorabbin GMA

Management responsibilities

Nearby groundwater management units

Cut Paw Paw GMA

Frankston GMA

Back to groundwater map

Victorian Water Accounts 2021-22

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Groundwater management unit ¹		2021-22				2020-21
Groundwater management unit ¹		Sep-21	Dec-21	Mar-22	Jun-22	Sep-20	Dec-20	Mar-21	Jun-21
Moorabbin		Rising	Rising	Declining	Rising	Stable	Rising	Rising	Rising

Use type	Available water (ML)				Water taken (ML)
Use type	Carryover	Licensed volume allocated	Net trade	Total water available	Water taken (ML)
Licensed use (non-urban)	0	2,624	0	2,624	769
Domestic & Stock	-	-	-	-	257
Total 2021-22	0	2,624	0	2,624	1,026
Total 2020-21	0	2,624	0	2,624	922