Del. Code tit. 23 § 1502
Commissioners appointed under 18 Del. Laws, c. 224, having adjusted and determined certain limits on each side of the Laurel River in Sussex County, from the iron bridge over the river down river, to which wharves may be extended out into the river, and having returned their proceedings in that behalf, together with a plot showing the limits to the clerk of the peace of such County, in accordance with such statute, no person, for any purpose whatsoever, shall construct or cause to be constructed on either side of the Laurel river, between the iron bridge and the point down the river as determined upon by the Commissioners, any wharf, platform, landing place, marine railway, pier, piles, abutment or other obstruction to the current of the river, extending into the river beyond the limits adjusted and determined on by the return.
No person shall construct or cause to be constructed, or have or keep on either side of the Laurel River, between the iron bridge and the point down the river, as determined upon by the Commissioners, and within the limits adjusted and determined (that is to say, between either 1 of the limits and the shore with respect to which such limits shall be fixed), any wharf or platform supported on piles, piers or abutments so fixed as to leave spaces between them open to the river, or construct or cause to be constructed, have or keep between the points and within the limit to be adjusted and determined any sluice way or sluice ways in any wharf built or to be built on the river.
23 Del. C. § 1502