Question: The Port Noarlunga Reef Aquatic Reserve and the Onkaparinga River are both located in which state of Australia?

Context paragraphs:
Port Noarlunga Reef Aquatic Reserve: Port Noarlunga Reef Aquatic Reserve is a marine protected area in the Australian state of South Australia located in waters in Gulf St Vincent adjoining the Adelaide metropolitan area and including part of the Onkaparinga River about 28 km south-west of the state capital of Adelaide.

City of Onkaparinga: The City of Onkaparinga is a local government area (LGA) located on the southern fringe of Adelaide, South Australia.  It is named after the Onkaparinga River, whose name comes from "Ngangkiparinga", a Kaurna word meaning women's river.  It is the largest LGA in South Australia, with an estimated population of 164,800 people in both urban and rural communities and is also geographically expansive, encompassing an area of 518.3 km².  The council is headquartered in the Noarlunga Centre with area offices situated in Aberfoyle Park, Woodcroft and Willunga.

Onkaparinga River Recreation Park: Onkaparinga River Recreation Park is a protected area occupying land in the estuary of the Onkaparinga River in South Australia.  The recreation park which was established in 1985 is approximately 32 km from Adelaide city centre.  It is the venue for recreational activities such as walking, canoeing, kayaking, recreational fishing and picnics.

Onkaparinga River National Park: Onkaparinga River National Park is a protected area in the Australian state of South Australia located about 32 km south of Adelaide city centre.  It extends over the floodplain of the Onkaparinga River east of Main South Road.

Yatala Harbour Upper Spencer Gulf Aquatic Reserve: Yatala Harbour Upper Spencer Gulf Aquatic Reserve is a marine protected area in the Australian state of South Australia covering the full extent of Yatala Harbor on the east side of Spencer Gulf including land within the locality of Miranda which is subject to tidal inundation.  It was declared in 1980 for the purpose of “the protection of its mangrove-seagrass communities and associated fish nursery areas.”  Since 2012, it has been located within the boundaries of a “sanctuary zone” within the Upper Spencer Gulf Marine Park.  The aquatic reserve is classified as an IUCN Category II protected area.

Port Noarlunga, South Australia: Port Noarlunga is a suburb in the City of Onkaparinga, South Australia.  It is a small sea-side suburb, population 2,632, about 30 km to the south of the Adelaide city centre and was originally created as a sea port.  This area is now popular as a holiday destination or for permanent residents wishing to commute to Adelaide or work locally.  There is a jetty that connects to a 1.6 km long natural reef that is exposed at low tide.  The beach is large and very long and has reasonable surfing in the South Port area whose name is taken from its location - 'South of the Port'.

Onkaparinga River: The Onkaparinga River, known as Ngangkiparri in the Kaurna language, is a river located in the Southern Adelaide region in the Australian state of South Australia.

Electoral district of Kaurna: Kaurna is an electoral district of the House of Assembly in the Australian state of South Australia.  Named after the Kaurna aboriginal tribe which originally inhabited the Adelaide plains, it is a 52.7 km² semi-urban electorate on Adelaide's far-southern beaches, taking in the suburbs of Aldinga Beach, Maslin Beach, Moana, Port Noarlunga, Port Noarlunga South, Port Willunga, Seaford, Seaford Meadows and Seaford Rise as well as parts of Aldinga and Christies Beach.  It is one of only two state districts named after South Australia's indigenous people (the other being the Electoral district of Narungga).

Electoral district of Mawson: Mawson is an electoral district of the House of Assembly in the Australian state of South Australia.  It covers most of the outer southern suburbs of the City of Onkaparinga, including Hackham, Hackham West, Huntfield Heights, Noarlunga Downs, Old Noarlunga, Onkaparinga Hills and Seaford Heights, the regional shopping centre area at Noarlunga Centre, parts of Woodcroft, and the southern wine region around McLaren Vale and Willunga.

Division of Kingston: The Division of Kingston is an Australian Electoral Division in South Australia covering the outer southern suburbs of Adelaide.  The 171 km² seat stretches from Hallett Cove and O'Halloran Hill in the north to Sellicks Beach in the south, including the suburbs of Aldinga Beach, Christie Downs, Christies Beach, Hackham, Hallett Cove, Huntfield Heights, Lonsdale, Maslin Beach, Moana, Morphett Vale, Old Noarlunga, Onkaparinga Hills, Port Noarlunga, Reynella, Seaford, Sellicks Beach, Sheidow Park, Port Willunga, Trott Park, Woodcroft, and parts of Happy Valley and McLaren Flat.

Supporting paragraphs: Port Noarlunga Reef Aquatic Reserve Onkaparinga River
Answer: South Australia