sentences:  EDS has a long history of involvement in cases concerning water.The Society was involved with other groups in an effort to get water conservation orders established in law after a successful opposition to a series of dams on the Motu River.Indeed, EDS assisted the Queen Elizabeth II National Trust to obtain the first ever national water conservation order for that wild and scenic river and went on to support similar orders over the Ahuriri and Rakaia Rivers in the South Island.