41:07:03:02.02South Dakota-Iowa boundary waters.
Section · Administrative Rules of South Dakota · View on sdlegislature.gov ↗
In the South Dakota-Iowa boundary waters, the daily and possession limits for all species are the same as those established for inland waters, with the following exceptions: (1) The daily limit for channel catfish is 10 and the possession limit is 20; (2) The daily limit for flathead catfish is five, the possession limit is 10, and no more than one flathead catfish 30 inches or longer may be kept daily; (3) The daily and possession limit for blue catfish is one; and (4) The season is closed for all species of sturgeon and paddlefish.
Source: 26 SDR 85, effective December 26, 1999; 32 SDR 109, effective December 27, 2005; 34 SDR 179, effective December 24, 2007; 46 SDR 116, effective April 29, 2020; 48 SDR 60, effective December 8, 2021.