Section 13(1)(d) in The Goa Ground Water Regulation Act, 2002
(d)to require, by order in writing, the person sinking a well to keep and preserve in the prescribed manner specimens of soils or any materials excavated therefrom for such period not exceeding three months from the date of completion or abandonment of the work as may be specified by the Ground Water Officer and thereupon such person shall comply with such order;