# Sleaford Bay

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Bight in South Australia

For other uses, see [Sleaford, South Australia](/source/Sleaford%2C_South_Australia_(disambiguation)).

Sleaford Bay Danana[1]: 78 (Banggarla) Kuya Bidni[2] (Nauo) Sleaford Bay, ca 1935 Sleaford Bay Location in South Australia Location Eyre Peninsula, South Australia Coordinates 34°53′54″S 135°46′02″E / 34.898337°S 135.76709°E / -34.898337; 135.76709[2] Type Bay Etymology Sleaford, Lincolnshire[3] Basin countries Australia Designation Marine park[2] Max. length about 16 kilometres (9.9 mi)[4] Max. width about 9 kilometres (5.6 mi)[4] Max. depth about 53 metres (174 ft)[4] Islands one[5] Settlements Sleaford[2] Lincoln National Park[2]

**Sleaford Bay** is a [bay](/source/Bay) located in the Australian state of [South Australia](/source/South_Australia) on the southern coast of [Eyre Peninsula](/source/Eyre_Peninsula). It was named by the British navigator, [Matthew Flinders](/source/Matthew_Flinders) in 1802.

## Extent & description

Sleaford Bay is located on the south coast of Eyre Peninsula in South Australia about 21 kilometres (13 mi) south-west of the municipal seat of [Port Lincoln](/source/Port_Lincoln).[2]

It lies between the headland of [Cape Wiles](/source/Cape_Wiles) at its western extremity and headland of [Cape Tournefort](https://en.wikipedia.org/w/index.php?title=Cape_Tournefort&action=edit&redlink=1) at its eastern extremity. A subsidiary bay named **Fishery Bay** is located on its west side about 2 nautical miles (3.7 km; 2.3 mi) north of Cape Wiles.[5]

## History

The bay was named after the town of [Sleaford](/source/Sleaford) in [Lincolnshire](/source/Lincolnshire), [England](/source/England) by the British navigator, [Matthew Flinders](/source/Matthew_Flinders) in 1802.[3]

The [Barngarla](/source/Barngarla_language) name for Sleaford Bay is *Dhanana*.[1]: 78

The [Baudin expedition](/source/Baudin_expedition_to_Australia) who visited after Flinders gave it two names – [Baudin](/source/Nicolas_Baudin) used the name *Anse des Nerlans* while Peron and [Freycinet](/source/Louis_de_Freycinet) revised it to *Baie Lavoisier* after Baudin's death.[2]

A [whaling station](/source/Fishery_Bay_Whaling_Station) located on the coastline within Fishery Bay was in operation from 1839 to 1841.[6]

## Settlements and infrastructure

The coastline of Sleaford Bay is occupied by the locality of [Sleaford](/source/Sleaford%2C_South_Australia) in the west and by the locality of [Lincoln National Park](/source/Lincoln_National_Park%2C_South_Australia) in the east.[2]

As of 2005, port infrastructure within the bay consisted of a [boat ramp](/source/Boat_ramp) located in Fishery Bay.[7]

### Proposed seawater desalination plant

In 2018, a proposal to construct a 3 gigalitre per year seawater desalination plant at Sleaford Bay[*[where?](https://en.wikipedia.org/wiki/Wikipedia:Naming_conventions_(geographic_names))*] was announced. Land was purchased in July and the project was expected to cost $80 million to complete.[8][9] The location is one of several prospects previously earmarked by [SA Water](/source/SA_Water) in 2009.[10] In 2020, the site in the north of the bay near Sleaford Mere Conservation Park was ruled too costly. After a second site closer to Port Lincoln was opposed by commercial fisheries in 2021, a committee was set up which chose a site between Fishery Bay and Sleaford Bay in 2022, with the capacity increased to 5.3-gigalitres.[11] Most recently SA Water has decided to build within Proper Bay near Port Lincoln. This is being resisted as consultation and native title research has not been completed and the decision goes against the advice of the local management board and it's findings. The area is known to frequently have low to no tidal flushing during Dodge tide events, particularly during the hottest months, which has raised grave concerns from commercial operators and some marine biologists should the area become adversely affected. An announcement that the initial Desalination plant size is projected to expand significantly in the future also creates uncertainty within the broad local community.

## Protected area status

The [Thorny Passage Marine Park](https://en.wikipedia.org/w/index.php?title=Thorny_Passage_Marine_Park&action=edit&redlink=1) occupies the full extent of the bay while the [Lincoln National Park](/source/Lincoln_National_Park) extents to [Mean Low Water Mark](/source/Mean_low_water_spring) on its eastern side.[12][13]

## References

1. ^ [***a***](#cite_ref-b_1-0) [***b***](#cite_ref-b_1-1) [Zuckermann, Ghil'ad](/source/Ghil'ad_Zuckermann) and the Barngarla (2019), [*Barngarlidhi Manoo (Speaking Barngarla Together)*](https://www.adelaide.edu.au/directory/ghilad.zuckermann?dsn=directory.file;field=data;id=41076;m=view) [Archived](https://web.archive.org/web/20200526193430/https://www.adelaide.edu.au/directory/ghilad.zuckermann?dsn=directory.file&field=data&id=41076&m=view) 26 May 2020 at the [Wayback Machine](/source/Wayback_Machine), Barngarla Language Advisory Committee. ([*Barngarlidhi Manoo* – Part II](https://www.adelaide.edu.au/directory/ghilad.zuckermann?dsn=directory.file;field=data;id=41096;m=view) [Archived](https://web.archive.org/web/20200526193430/https://www.adelaide.edu.au/directory/ghilad.zuckermann?dsn=directory.file;field=data;id=41096;m=view) 26 May 2020 at the [Wayback Machine](/source/Wayback_Machine)

1. ^ [***a***](#cite_ref-LMV_2-0) [***b***](#cite_ref-LMV_2-1) [***c***](#cite_ref-LMV_2-2) [***d***](#cite_ref-LMV_2-3) [***e***](#cite_ref-LMV_2-4) [***f***](#cite_ref-LMV_2-5) [***g***](#cite_ref-LMV_2-6) [***h***](#cite_ref-LMV_2-7) ["Search result for "Sleaford Bay, BAY" with the following datasets selected – "NPW and Conservation Reserve Boundaries", "State Marine Park Network", "Suburbs and Localities" and "Gazetteer'"](https://location.sa.gov.au/viewer/?map=roads&x=135.79624&y=-34.92948&z=11&uids=42,48,19,105&pinx=135.768490&piny=-34.896910&pinTitle=Location&pinText=Sleaford+Bay,+Bay). *Location SA Map Viewer*. Government of South Australia. Retrieved 30 October 2022.

1. ^ [***a***](#cite_ref-manning_3-0) [***b***](#cite_ref-manning_3-1) Manning, Geoffrey. ["Place Names of South Australia - Sleaford Bay"](https://manning.collections.slsa.sa.gov.au/pn/s/s4.htm#sleaford). State Library of South Australia. Retrieved 30 October 2022.

1. ^ [***a***](#cite_ref-DMH_4-0) [***b***](#cite_ref-DMH_4-1) [***c***](#cite_ref-DMH_4-2) South Australia. Department of Marine and Harbors (DMH) (1985), *The Waters of South Australia a series of charts, sailing notes and coastal photographs*, Dept. of Marine and Harbors, South Australia, p. chart 34, [ISBN](/source/ISBN_(identifier)) [978-0-7243-7603-2](https://en.wikipedia.org/wiki/Special:BookSources/978-0-7243-7603-2)

1. ^ [***a***](#cite_ref-Pub175_5-0) [***b***](#cite_ref-Pub175_5-1) [*Sailing Directions (Enroute),*Pub. 175:*North, West, and South Coasts of Australia*](https://msi.nga.mil/api/publications/download?key=16694491/SFH00000/Pub175bk.pdf&type=view) (PDF). *[Sailing Directions](/source/Sailing_Directions)*. [United States National Geospatial-Intelligence Agency](/source/National_Geospatial-Intelligence_Agency). 2017. p. 183.

1. **[^](#cite_ref-AWSANZ_6-0)** Staniforth, Mark (1999), ["South Australian Projects, Sleaford Bay"](https://ehlt.flinders.edu.au/archaeology/department/research/projects/awsanz/ssleaf.html), *Archaeology of Whaling in Southern Australia and New Zealand Project*, Flinders University, [archived](https://web.archive.org/web/20190228110115/http://ehlt.flinders.edu.au/archaeology/department/research/projects/awsanz/ssleaf.html) from the original on 28 February 2019, retrieved 9 September 2018

1. **[^](#cite_ref-BIA215_7-0)** Boating Industry Association of South Australia (BIA); South Australia. Department for Environment and Heritage (2005), *South Australia's waters an atlas & guide*, Boating Industry Association of South Australia, p. 215, [ISBN](/source/ISBN_(identifier)) [978-1-86254-680-6](https://en.wikipedia.org/wiki/Special:BookSources/978-1-86254-680-6)

1. **[^](#cite_ref-8)** ["SA plans for $80 million desal plant"](https://www.sbs.com.au/news/sa-plans-for-80-million-desal-plant). *SBS News*. [Archived](https://web.archive.org/web/20181129012820/https://www.sbs.com.au/news/sa-plans-for-80-million-desal-plant) from the original on 29 November 2018. Retrieved 28 November 2018.

1. **[^](#cite_ref-9)** Cootes, Isobel (13 November 2018). ["Desal plant talks"](https://www.portlincolntimes.com.au/story/5756461/desal-plant-talks/). *Port Lincoln Times*. [Archived](https://web.archive.org/web/20181128210934/https://www.portlincolntimes.com.au/story/5756461/desal-plant-talks/) from the original on 28 November 2018. Retrieved 28 November 2018.

1. **[^](#cite_ref-10)** ["Three sites earmarked for Eyre Peninsula desal"](https://www.abc.net.au/news/2009-12-02/three-sites-earmarked-for-eyre-peninsula-desal/1165244). *ABC News*. 2 December 2009. [Archived](https://web.archive.org/web/20161030013736/http://www.abc.net.au/news/2009-12-02/three-sites-earmarked-for-eyre-peninsula-desal/1165244) from the original on 30 October 2016. Retrieved 28 November 2018.

1. **[^](#cite_ref-11)** ["Third time's a charm as locals choose new Sleaford Bay site for Eyre Peninsula desalination plant"](https://www.abc.net.au/news/2022-08-10/new-sleaford-bay-site-chosen-for-ep-desalination-plant/101319878). *ABC News*. 10 August 2022. Retrieved 9 January 2024.

1. **[^](#cite_ref-DEWNR-TPMP_12-0)** ["Thorny Passage Marine Park Management Plan 2012"](http://www.environment.sa.gov.au/files/2abee117-f53f-48fb-94c9-a117009e53d6/mp-gen-5thornypassage-managementplan.pdf) (PDF). Department of Environment Water and Natural Resources. 2012. pp. 24/31. [Archived](https://web.archive.org/web/20140825153813/http://www.environment.sa.gov.au/files/2abee117-f53f-48fb-94c9-a117009e53d6/mp-gen-5thornypassage-managementplan.pdf) (PDF) from the original on 25 August 2014. Retrieved 3 April 2014.

1. **[^](#cite_ref-13)** ["Lincoln National Park Management Plan"](http://www.environment.sa.gov.au/files/2b8b7120-6e6b-481c-86d8-9e4f00b1b08c/PARKS_PDFS_LINCOLN_NP_MP.pdf.). Department of Environment and Heritage (DEH). 2004. p. 4. [Archived](https://web.archive.org/web/20150924002544/http://www.environment.sa.gov.au/files/2b8b7120-6e6b-481c-86d8-9e4f00b1b08c/PARKS_PDFS_LINCOLN_NP_MP.pdf.) from the original on 24 September 2015.

v t e Coastal bays and inlets of South Australia West coast Anxious Baird Coffin Denial Fowlers Head of the Bight Laura Murat Sceale Sleaford Fishery Smoky Streaky Tourville Venus Spencer Gulf Arno Blanche Harbor False Germein Hardwicke Lipson Cove Louth Lucky Memory Moonta Pondalowie Tumby Wallaroo Investigator Strait Emu Marion Nepean Pelican Lagoon Bay of Shoals Eastern Cove Western Cove Smith Stenhouse Stokes Kangaroo Island south and west coasts D'Estrees Maupertuis Moncrieff Pink Seal Vivonne Gulf St Vincent Aldinga Barker Inlet Holdfast Rapid Wool Backstairs Passage Antechamber Cuttlefish South east coast Discovery (part) Racecourse Encounter Guichen Lacepede Nora Creina Rivoli Mainland Murray River Loveday Category

v t e Eyre Peninsula, South Australia Cities Port Augusta (western suburbs only) Port Lincoln Whyalla Townships Ceduna Cleve Coffin Bay Cowell Cummins Elliston Kimba Lock Smoky Bay Streaky Bay Thevenard Tumby Bay Wudinna Governance Federal division Grey (part) State electoral districts Flinders Giles Stuart Local Government Ceduna DC Cleve DC Elliston DC Franklin Harbour DC Kimba DC Lower Eyre Peninsula DC City of Port Augusta (part) City of Port Lincoln Streaky Bay DC Tumby Bay DC City of Whyalla Wudinna DC Protected areas Coffin Bay National Park Gawler Ranges National Park Lake Gilles Lincoln National Park Memory Cove Wilderness Protection Area Munyaroo Conservation Park Pinkawillinie Conservation Park Coastal features West coast Anxious Bay Calca Peninsula Cape Blanche Cape Carnot Cape Catastrophe Cape Finniss Cape Radstock Cape Wiles Coffin Bay Peninsula Jussieu Peninsula Mount Dutton Bay Point Avoid Point Labatt Point Weyland Point Whidbey Slade Point Sleaford Bay Fishery Bay East coast Cape Burr Cape Donington Cape Hardy Lipson Cove Lucky Bay Memory Cove Point Boston Point Lowly Yorkey Crossing Islands adjoining Eyre Peninsula coast West coast Baird Bay Jones Island Unnamed island, Baird Bay Eba Island Grantham Island Nicolas Baudin Island Pigface Island East coast Bicker Isles Boston Island Curlew Island Entrance Island Lipson Island Little Island Louth Island Tumby Island Infrastructure Highways Birdseye Highway Eyre Highway (part) Flinders Highway Lincoln Highway Tod Highway Railways BHP Whyalla Tramway Coffin Bay Tramway Eyre Peninsula Railway Port Lincoln railway station Other Joy Baluch AM Bridge Tod Reservoir Related and uncategorised The Peninsulas zone (wine)

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Adapted from the Wikipedia article [Sleaford Bay](https://en.wikipedia.org/wiki/Sleaford_Bay) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Sleaford_Bay?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.