Kawkawlin River is located on the south shore of the Saginaw Bay on Lake Huron, 16 miles north of Saginaw, MI. Authorization: Section 13 of the 1946 Flood Control Act (FCA) - (Section A); and authority assigned to the Chief of Engineers in section 205 of the 1948 Flood Control Act – (Section B); As amended by Section 837, WRDA 1986.