Small Farm Dam Research Repository

South West (Corangamite) Dam 2 SW 2

Summary

Location: Mount Mercer, Golden Plains Shire, Corangamite CMA

Primary Land use: Mixed farming, cropping and grazing
Australian Drainage Division: Southeast Coast (Division II)
Australian River Basin: Barwon River (Basin 33)

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: Sodosols

Catchment Soils:

South West Dam 2 - Catchment Soils

About

Location	-37.81824,143.84272
Shape Profile	Custom
Maximum depth	3m
Current depth/Water level	N/Am
Water level offset	0.5m
Dam area	20702m²
Maximum volume	26006m³
Catchment area	300000.00m²

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	2.7mm	18.3mm	25mm	39.1mm	242.6mm	206.6mm	197.2mm	175.5mm
February	3.3mm	12.7mm	27.1mm	40.5mm	418.5mm	362.3mm	344.7mm	322.7mm
March	9.2mm	22mm	26.9mm	35.5mm	330.9mm	298mm	282.7mm	254.8mm
April	13.7mm	21.8mm	39.9mm	55.7mm	244.2mm	222.6mm	199.7mm	187.6mm
May	18.6mm	32.2mm	56.9mm	62.7mm	166.9mm	128.3mm	114.9mm	108.4mm
June	19.2mm	38.3mm	41mm	72.9mm	95.3mm	80.7mm	75mm	69.1mm
July	35.5mm	50.2mm	55.8mm	64.8mm	75.4mm	68.6mm	64.4mm	62.3mm
August	34.6mm	49.9mm	58.7mm	78.1mm	106.6mm	90.1mm	85mm	79.3mm
September	30.7mm	43.2mm	50.5mm	64.2mm	152.9mm	136.4mm	130.4mm	126mm
October	12.4mm	38.3mm	62.5mm	91.2mm	249.3mm	197.1mm	189mm	182.7mm
November	29.8mm	44.5mm	53.1mm	66.1mm	322.4mm	266.4mm	256mm	232mm
December	10.4mm	32.2mm	37.8mm	50.5mm	375.1mm	331.3mm	308.1mm	292.8mm

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	2.7mm	18.3mm	25mm	39.1mm	242.6mm	206.6mm	197.2mm	175.5mm
February	3.3mm	12.7mm	27.1mm	40.5mm	418.5mm	362.3mm	344.7mm	322.7mm
March	9.2mm	22mm	26.9mm	35.5mm	330.9mm	298mm	282.7mm	254.8mm
April	13.7mm	21.8mm	39.9mm	55.7mm	244.2mm	222.6mm	199.7mm	187.6mm
May	18.6mm	32.2mm	56.9mm	62.7mm	166.9mm	128.3mm	114.9mm	108.4mm
June	19.2mm	38.3mm	41mm	72.9mm	95.3mm	80.7mm	75mm	69.1mm
July	35.5mm	50.2mm	55.8mm	64.8mm	75.4mm	68.6mm	64.4mm	62.3mm
August	34.6mm	49.9mm	58.7mm	78.1mm	106.6mm	90.1mm	85mm	79.3mm
September	30.7mm	43.2mm	50.5mm	64.2mm	152.9mm	136.4mm	130.4mm	126mm
October	12.4mm	38.3mm	62.5mm	91.2mm	249.3mm	197.1mm	189mm	182.7mm
November	29.8mm	44.5mm	53.1mm	66.1mm	322.4mm	266.4mm	256mm	232mm
December	10.4mm	32.2mm	37.8mm	50.5mm	375.1mm	331.3mm	308.1mm	292.8mm