Link to the state LSC (South Dakota Swimming): 

https://www.teamunify.com/team/sdslsc/page/time-standards-records-top-16

On this page you will find links showing the current Time Standards (State Qualifying Times, updated 10-15-22). 

Short Course SD State Meet Qualifying Time Standards

Long Course SD State Meet Qualifying Time Standards

Below that are all the current state records.

 

The USA Swimming Motivational Time Standards can be found here.