House of Assembly Fifty-Fourth Parliament, Second Session (54-2) 54 2 Parliament of South Australia House of Assembly published Petitions Happy Valley Reservoir Happy Valley Reservoir Ms COOK House of Assembly Hurtle Vale Ms COOK (Hurtle Vale): Presented a petition signed by 355 residents of the electorates of Hurtle Vale, Davenport and greater South Australia requesting the house to urge the government to reconsider opening the Happy Valley Reservoir to the public in order to protect the unique ecosystem which supports a range of wildlife, including kangaroos, koalas and black cockatoos.