Small Farm Dam Research Repository

South West (Corangamite) Dam 4 SW 4

Summary

Location: Meredith, Golden Plains Shire, Corangamite CMA

Primary Land use: Mixed farming, grazing
Australian Drainage Division: Southeast Coast (Division II)
Australian River Basin: Moorabool River (Basin 32)

Catchment Geology:
Miocene to Holocene Newer Volcanic Group: basalt flows (Neo)

Catchment Geomorphology:
2.0 Western Uplands (Tier 1);
2.1 Dissected Uplands (Tier 2);
2.1.6 Eruption points and volcanic plains (Tier 3)

Australian Soil Classification: Sodosol

Catchment Soils:

About

Location	-37.83046,144.06383
Shape Profile	Custom
Maximum depth	3m
Current depth/Water level	N/Am
Water level offset	0.2m
Dam area	973m²
Maximum volume	1339m³
Catchment area	171400.00m²

Water balance

Water balance forecasts

The rating curve chart shows the volume of the dam in relation to vertical water level.
The water balance forecast chart shows the predicted water level and volume for various climate scenarios from the starting water level.

Dam area:

m²

Catchment area:

m²

Maximum volume:

m³

Maximum depth:

Current (Starting) depth:

Household demand:

people

Stock demand:

cattle

Stock demand:

sheep

Climate estimates Shape profile:

Changing any of the above variables will re-generate the charts and data tables.

Dam rating curve

Water balance forecasts

20 year monthly climate range

Month	Rainfall range				Evaporation range
	Decile 1	Decile 3	Decile 5	Decile 7	Decile 10	Decile 7	Decile 5	Decile 3
	Drought	Dry	Average	Wet	Drought	Dry	Average	Wet
January	3.8mm	21.6mm	34.7mm	41mm	241.4mm	204.4mm	197mm	175.6mm
February	3.5mm	11mm	37mm	44.5mm	416.3mm	359.2mm	345.9mm	323.4mm
March	9.4mm	24.5mm	27.1mm	32.5mm	330.7mm	297.2mm	281.9mm	257.1mm
April	11mm	19mm	45.2mm	52.5mm	246.3mm	224.4mm	201.4mm	189.3mm
May	16.1mm	37.1mm	53.5mm	59.4mm	168.9mm	129mm	117.6mm	109.5mm
June	15.6mm	31.4mm	46mm	60.6mm	100.7mm	82.9mm	76.9mm	70.8mm
July	29.4mm	37.4mm	46.6mm	51.6mm	78.8mm	71.8mm	67.9mm	64.6mm
August	26.3mm	41.1mm	50.1mm	70.6mm	112mm	91.7mm	87.7mm	82.9mm
September	30.4mm	39mm	46.1mm	59.6mm	157.1mm	142.2mm	135.1mm	128.2mm
October	13.7mm	30.2mm	49.4mm	78.7mm	252.4mm	201.2mm	191.9mm	188.3mm
November	23.2mm	41.4mm	56.3mm	66.3mm	322mm	268.1mm	256mm	236.4mm
December	9.5mm	30.1mm	41.1mm	47.5mm	373.3mm	334.6mm	312.3mm	291.3mm

Monitoring

Weather and soil moisture

Weather Station Dashboard (NON SSL)

Rainfields3 comparison

Water level

Spatial mapping

Developed by CeRDI

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Climate history

20 year monthly climate range

Month	Rainfall range				Evaporation range
	Decile 1	Decile 3	Decile 5	Decile 7	Decile 10	Decile 7	Decile 5	Decile 3
	Drought	Dry	Average	Wet	Drought	Dry	Average	Wet
January	3.8mm	21.6mm	34.7mm	41mm	241.4mm	204.4mm	197mm	175.6mm
February	3.5mm	11mm	37mm	44.5mm	416.3mm	359.2mm	345.9mm	323.4mm
March	9.4mm	24.5mm	27.1mm	32.5mm	330.7mm	297.2mm	281.9mm	257.1mm
April	11mm	19mm	45.2mm	52.5mm	246.3mm	224.4mm	201.4mm	189.3mm
May	16.1mm	37.1mm	53.5mm	59.4mm	168.9mm	129mm	117.6mm	109.5mm
June	15.6mm	31.4mm	46mm	60.6mm	100.7mm	82.9mm	76.9mm	70.8mm
July	29.4mm	37.4mm	46.6mm	51.6mm	78.8mm	71.8mm	67.9mm	64.6mm
August	26.3mm	41.1mm	50.1mm	70.6mm	112mm	91.7mm	87.7mm	82.9mm
September	30.4mm	39mm	46.1mm	59.6mm	157.1mm	142.2mm	135.1mm	128.2mm
October	13.7mm	30.2mm	49.4mm	78.7mm	252.4mm	201.2mm	191.9mm	188.3mm
November	23.2mm	41.4mm	56.3mm	66.3mm	322mm	268.1mm	256mm	236.4mm
December	9.5mm	30.1mm	41.1mm	47.5mm	373.3mm	334.6mm	312.3mm	291.3mm