# Lake Richmond

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Lake in Perth, Western Australia

Lake Richmond Lake Richmond from the look out tower Lake Richmond Location Rockingham, Western Australia Coordinates 32°17′10″S 115°42′54″E / 32.286°S 115.715°E / -32.286; 115.715 Type Lake Basin countries Australia Western Australia Heritage Register Designated 30 June 2017 Reference no. 18483 Location Interactive map of Lake Richmond

**Lake Richmond** ([Aboriginal Australian](/source/Aboriginal_Australians) name: **Naragebup**) is a freshwater [lake](/source/Lake) in [Rockingham, Western Australia](/source/Rockingham%2C_Western_Australia). It is approximately 1,000 m × 600 m (3,300 ft × 2,000 ft), with an area of 40 ha (99 acres), and is 15 m (49 ft) deep in the centre. It is believed to be named after the [London borough](/source/Municipal_Borough_of_Richmond_(Surrey)).[1] It is part of [Rockingham Lakes Regional Park](/source/Rockingham_Lakes_Regional_Park).

## Overview

The lake is less than 1 km (0.62 mi) from the coast,[2] having separated from the ocean at [Cockburn Sound](/source/Cockburn_Sound) within the last 4,000 years.[3][1]

The shallow waters within about 15 metres (49 ft)[3][1] of the edges of the lake are home to [thrombolites](/source/Thrombolite), estimated to be about six million years old.[2][4] The internal structure of the thrombolites is believed to be unique in the world.[3][1]

In 1996, the [Western Australian Museum](/source/Western_Australian_Museum) concluded that structures on the lake were likely to be tidal weirs constructed by pre-colonial [Indigenous Australians](/source/Indigenous_Australians) for use as [fish traps](/source/Fish_trap). They were given preliminary protection under the *Aboriginal Heritage Act* and the Djeran Fish Festival was subsequently organised as a celebration. However, the Department of Indigenous Affairs later concluded that they were not Aboriginal sites, following a review of aerial photographs and claims by a local resident that he had built the structures between the early 1960s and early 1980s.[5]

Before 1960, the lake's salinity was 2000–3500 mg/L.[a] In the 1960s it was used as part of an urban drainage scheme; the [Water Board](/source/Water_Corporation) constructed inlet and outlet drains. Subsequently the salinity level dropped to 300–400 mg/L.[6][1]

A [boardwalk](/source/Boardwalk) extends approximately 115 m (377 ft)[b] into the lake.[2][4]

[Water birds](/source/Water_bird) that inhabit the area include the [Australian pelican](/source/Australian_pelican), [black swan](/source/Black_swan), [Australian shelduck](/source/Australian_shelduck), [musk duck](/source/Musk_duck), [white-faced heron](/source/White-faced_heron) and [common greenshank](/source/Common_greenshank).[4] The lake is home to the Swan River goby (*Pseudogobius olorum*), [eastern mosquitofish](/source/Eastern_mosquitofish), [sea mullet](/source/Sea_mullet), [goldfish](/source/Goldfish) and [yabbies](/source/Cherax).[6][7]

The lake was used as a source of fresh water by the local indigenous [Noongar](/source/Noongar) people, as well as the settlers of the [Swan River Colony](/source/Swan_River_Colony).[2][1]

The [10th Light Horse Regiment](/source/10th_Light_Horse_Regiment_(Australia)) had a camp near the lake during the war years.[1]

In 2017, the lake was given a permanent entry on the [State Register of Heritage Places](/source/State_Register_of_Heritage_Places).[8] It also listed on the WA Register of Aboriginal Sites, as RAS #15974.[1]

## Notes

1. **[^](#cite_ref-6)** less than 10% of [seawater](/source/Seawater), which is typically around 35,000 mg/L.

1. **[^](#cite_ref-8)** Measured on [Google Maps](/source/Google_Maps)' satellite view, 16 August 2017.

## References

Wikimedia Commons has media related to [Lake Richmond, Western Australia](https://commons.wikimedia.org/wiki/Category:Lake_Richmond,_Western_Australia).

1. ^ [***a***](#cite_ref-HeritageAssessmentDocumentation_1-0) [***b***](#cite_ref-HeritageAssessmentDocumentation_1-1) [***c***](#cite_ref-HeritageAssessmentDocumentation_1-2) [***d***](#cite_ref-HeritageAssessmentDocumentation_1-3) [***e***](#cite_ref-HeritageAssessmentDocumentation_1-4) [***f***](#cite_ref-HeritageAssessmentDocumentation_1-5) [***g***](#cite_ref-HeritageAssessmentDocumentation_1-6) [***h***](#cite_ref-HeritageAssessmentDocumentation_1-7) [*Register of Heritage Places Assessment Documentation: Lake Richmond, Rockingham*](http://inherit.stateheritage.wa.gov.au/Admin/api/file/8d39dd42-3a08-4bc3-beb8-765b573e3d7a), [Heritage Council of Western Australia](/source/Heritage_Council_of_Western_Australia), 30 June 2017, retrieved 16 August 2017

1. ^ [***a***](#cite_ref-abc_2-0) [***b***](#cite_ref-abc_2-1) [***c***](#cite_ref-abc_2-2) [***d***](#cite_ref-abc_2-3) Wynne, Emma (15 August 2017). ["Lake Richmond's multi-million-year history can be found just beneath the surface"](http://www.abc.net.au/news/2017-08-15/lake-richmonds-multi-million-year-history-lies-beneath/8805798). [ABC Radio Perth](/source/ABC_Radio_Perth). Retrieved 16 August 2017.

1. ^ [***a***](#cite_ref-DeptOfEnvironment_3-0) [***b***](#cite_ref-DeptOfEnvironment_3-1) [***c***](#cite_ref-DeptOfEnvironment_3-2) ["Thrombolite (microbial) community of coastal freshwater lakes of the Swan Coastal Plain (Lake Richmond)"](http://www.environment.gov.au/biodiversity/threatened/conservation-advices/thrombolite-microbial). [Department of the Environment & Energy](/source/Department_of_the_Environment_%26_Energy). [Archived](https://web.archive.org/web/20170816193543/http://www.environment.gov.au/biodiversity/threatened/conservation-advices/thrombolite-microbial) from the original on 16 August 2017. Retrieved 4 April 2020.

1. ^ [***a***](#cite_ref-dpaw_4-0) [***b***](#cite_ref-dpaw_4-1) [***c***](#cite_ref-dpaw_4-2) ["Lake Richmond"](https://parks.dpaw.wa.gov.au/site/lake-richmond). [Department of Parks & Wildlife](/source/Department_of_Parks_%26_Wildlife). Retrieved 16 August 2017.

1. **[^](#cite_ref-5)** Randolph, Peter (2004). "Lake Richmond 'fish traps'?". *[World Archaeology](/source/World_Archaeology)*. **36** (4): 502–506.

1. ^ [***a***](#cite_ref-ManagementPlan_7-0) [***b***](#cite_ref-ManagementPlan_7-1) Ecoscape (2009). [Lake Richmond Management Plan 2008](https://web.archive.org/web/20180924145221/http://rockingham.wa.gov.au/getmedia/31f20d3e-8ea8-4bd9-b48c-054678942a82/PD-Lake-Richmond-Management-Plan-pdf.pdf) (PDF) (Report). City of Rockingham. Archived from [the original](http://rockingham.wa.gov.au/getmedia/31f20d3e-8ea8-4bd9-b48c-054678942a82/PD-Lake-Richmond-Management-Plan-pdf.pdf) (PDF) on 24 September 2018. Retrieved 4 April 2020.

1. **[^](#cite_ref-9)** Rose, Tom; Morgan, David; Gill, Howard (22 July 2004). [Lake Richmond Fish Survey](http://www.murdoch.edu.au/Research-capabilities/Centre-for-Fish-and-Fisheries-Research/_document/Reports/LAKE_RICHMOND_FISH_SURVEY.pdf) (PDF) (Report). Perth: [Murdoch University](/source/Murdoch_University). [Archived](https://web.archive.org/web/20190421160202/http://www.murdoch.edu.au/Research-capabilities/Centre-for-Fish-and-Fisheries-Research/_document/Reports/LAKE_RICHMOND_FISH_SURVEY.pdf) (PDF) from the original on 21 April 2019. Retrieved 16 August 2017.

1. **[^](#cite_ref-10)** ["Lake Richmond"](http://inherit.stateheritage.wa.gov.au/Public/Search/PlaceNoSearch?placeNo=18483). *[InHerit](/source/InHerit)*. [Heritage Council of Western Australia](/source/Heritage_Council_of_Western_Australia). Retrieved 16 August 2017.

v t e State Register of Heritage Places in the City of Rockingham Current Bell Cottage ruin Chesterfield Inn Chesterfield Inn Stables Day Cottage Hymus House Lake Richmond Peron Battery Former Rockingham Hotel

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