Ewens Ponds information

Ewens Ponds
Ewens Ponds
	Ewens Ponds, ca. 1945
	Ewens Ponds Location in South Australia
Location	South Australia
Coordinates	38°01′36″S 140°47′26″E / 38.02667°S 140.79056°E
Type	Cenotes
Primary outflows	Eight Mile Creek
Catchment area	spring-fed water body
Basin countries	Australia
Max. length	Pond 1 - 50 metres (160 feet); Pond 2 - 38 metres (125 feet); Pond 3 - 19 metres (62 feet)
Max. width	Pond 1 - 32 metres (105 feet); Pond 2 - 38 metres (125 feet); Pond 3 - 28 metres (92 feet)
Average depth	Pond 1 - 9 metres (30 feet); Pond 2 - 9 metres (30 feet); Pond 3 - 13 metres (43 feet)
Max. depth	13 metres (43 feet)
Water volume	Pond 1 - 28,000 cubic metres (990,000 cubic feet); Pond 2 - 212,000 cubic metres (7,500,000 cubic feet); Pond 3 - 4,400 cubic metres (160,000 cubic feet)
Residence time	Pond 1 - 6 hours; Pond 2 - 3 hours; Pond 3 - 1.5 hours

Ewens Ponds is a series of three water-filled limestone sinkholes in the Australian state of South Australia located in the gazetted locality of Eight Mile Creek, on the watercourse of Eight Mile Creek about 25 kilometres (16 miles) south of Mount Gambier and 8.4 kilometres (5.2 miles) east of Port Macdonnell.^[2] The ponds are popular with recreational divers due to underwater visibility of up to 80 metres (260 feet).^{[verification needed]} It has a large fish population including the endangered golden pygmy perch. Ewens Ponds has been part of the Ewens Ponds Conservation Park since 1976.

^ ^a ^b ^c ^d ^e ^f Lewis, I; Stace, P. (1982). Cave Diving in Australia (Revised ed.). Adelaide: Ian Lewis & Peter Stace. pp. 60–61. ISBN 0959496300.
^ "Search result for "Eight Mile Creek (Locality Bounded)" (Record no SA0002703) with the following layers selected - "Suburbs and Localities", "Place names (gazetteer)" "Local Government Areas" and "Development Plan Layers"". Property Location Browser. Government of South Australia. Archived from the original on 12 October 2016. Retrieved 20 August 2016.

[Lewis-1] ^ ^a ^b ^c ^d ^e ^f Lewis, I; Stace, P. (1982). Cave Diving in Australia (Revised ed.). Adelaide: Ian Lewis & Peter Stace. pp. 60–61. ISBN 0959496300.

[PLB-2] "Search result for "Eight Mile Creek (Locality Bounded)" (Record no SA0002703) with the following layers selected - "Suburbs and Localities", "Place names (gazetteer)" "Local Government Areas" and "Development Plan Layers"". Property Location Browser. Government of South Australia. Archived from the original on 12 October 2016. Retrieved 20 August 2016.

Ewens Ponds information

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Ewens Ponds
Ewens Ponds, ca. 1945
Ewens Ponds Location in South Australia
Location	South Australia
Coordinates	38°01′36″S 140°47′26″E / 38.02667°S 140.79056°E / -38.02667; 140.79056
Type	Cenotes
Primary outflows	Eight Mile Creek
Catchment area	spring-fed water body
Basin countries	Australia

Max. length	Pond 1 - 50 metres (160 feet) Pond 2 - 38 metres (125 feet) Pond 3 - 19 metres (62 feet)^[1]
Max. width	Pond 1 - 32 metres (105 feet) Pond 2 - 38 metres (125 feet) Pond 3 - 28 metres (92 feet)^[1]
Average depth	Pond 1 - 9 metres (30 feet) Pond 2 - 9 metres (30 feet) Pond 3 - 13 metres (43 feet)^[1]
Max. depth	13 metres (43 feet)^[1]
Water volume	Pond 1 - 28,000 cubic metres (990,000 cubic feet) Pond 2 - 212,000 cubic metres (7,500,000 cubic feet) Pond 3 - 4,400 cubic metres (160,000 cubic feet)^[1]
Residence time	Pond 1 - 6 hours Pond 2 - 3 hours Pond 3 - 1.5 hours^[1]