DEECA Victorian Water Accounts 2022-23

About the area

The Corinella Groundwater Management Area (GMA) covers a layered sand and gravel aquifer, extending through the township of Corinella and along the Bass River.

The water authority responsible for managing groundwater in the Corinella GMA is Southern Rural Water.

The Corinella 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, Corinella GMA

Groundwater management unit ^{1, 2}		2021-22	2022-23
Groundwater management area
Corinella		Rising	Rising	Rising	Stable	Declining	Rising	Rising	Rising

Groundwater management unit ^{1, 2}		2021-22	2022-23
Groundwater management area
Corinella		Rising	Rising	Rising	Stable	Declining	Rising	Rising	Rising

Groundwater restrictions

There were no restrictions on licensed use in the Corinella GMA in 2022-23.

Entitlements and use

Groundwater entitlements have been issued for licensed (non-urban) use and urban supply to Corinella and Grantville in the Corinella GMA. Groundwater is also available for domestic and stock use.

Entitlement volumes

Table 2: Groundwater entitlements at 30 June, Corinella GMA

Use type	2021-22 (ML)	2022-23 (ML)
Licensed use (non-urban)	172	172
Corinella / Grantville	490	490
Total	662	662

Use type	2021-22 (ML)	2022-23 (ML)
Licensed use (non-urban)	172	172
Corinella / Grantville	490	490
Total	662	662

Available water and use

The table below shows the total water available and used under entitlements, and estimated domestic and stock use in 2022-23. Total water available under entitlements is the sum of opening carryover, allocation issued and the net trade in or out 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 How we account for groundwater.

Table 3: Groundwater availability and use, Corinella GMA

Use Type	Available water (ML)	Water taken (ML)
Licensed use (non-urban)	0	172	0	172	24
Corinella / Grantville	0	490	0	490	0
Domestic & Stock	-	-	-	-	47
Total 2022-23	0	662	0	662	71
Total 2021-22	0	662	0	662	68

Use Type	Available water (ML)	Water taken (ML)
Licensed use (non-urban)	0	172	0	172	24
Corinella / Grantville	0	490	0	490	0
Domestic & Stock	-	-	-	-	47
Total 2022-23	0	662	0	662	71
Total 2021-22	0	662	0	662	68

Compliance

Compliance against water entitlements is reported for this groundwater management unit (GMU) in 2 areas:

entitlement issued: that the volume of entitlements issued in the GMU does not exceed relevant permissible consumptive volumes (PCVs) or has not increased without appropriate approvals
water extracted: that 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 (662 ML) in the Corinella GMA did not exceed the PCV (2,550 ML).

Total volume extracted under licences was within the available volume

The total volume extracted under licences (24 ML) was within the volume available for the year (662 ML).

Table 4: PCV vs total entitlement volumes, Corinella GMA

Groundwater management unit		PCV	Licensed entitlement (ML)	Water available under licences (ML)	Water taken under licences (ML)
Corinella GMA		2,550	662	662	24

Groundwater management unit		PCV	Licensed entitlement (ML)	Water available under licences (ML)	Water taken under licences (ML)
Corinella GMA		2,550	662	662	24

Management responsibilities

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

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

Authority

Management responsibilities

Southern Rural Water

Managing groundwater resources.

Developing and implementing groundwater management plans.

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

Administering water for domestic and stock use.

Nearby groundwater management units

Koo Wee Rup WSPA

Explore the Koo Wee Rup Water Supply Protection Area (WSPA).

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Leongatha GMA

Explore the Leongatha Groundwater Management Area (GMA).

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Corinella GMA

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In this area

About the area

Groundwater level trends

Table 1: Groundwater level trends, Corinella GMA

Groundwater restrictions

Entitlements and use

Entitlement volumes

Table 2: Groundwater entitlements at 30 June, Corinella GMA

Available water and use

Table 3: Groundwater availability and use, Corinella 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, Corinella GMA

Management responsibilities

Nearby groundwater management units

Koo Wee Rup WSPA

Leongatha GMA

Back to groundwater map

Victorian Water Accounts 2022-23

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Groundwater management unit ^{1, 2}	2021-22				2022-23
Groundwater management unit ^{1, 2}	Sep-21	Dec-21	Mar-22	Jun-22	Sep-22	Dec-22	Mar-23	Jun-23
Groundwater management area
Corinella	Rising	Rising	Rising	Stable	Declining	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	172	0	172	24
Corinella / Grantville	0	490	0	490	0
Domestic & Stock	-	-	-	-	47
Total 2022-23	0	662	0	662	71
Total 2021-22	0	662	0	662	68