324.31312 Redetermination of optimum flow; modification of plan; hearings. Sec. 31312. After a determination or plan has been in effect for 5 years, any riparian owner may petition the department for a redetermination of the optimum flow or modification of the plan, and upon a showing of substantial changes in conditions, the department shall hold hearings as provided in section 31305 and may redetermine the optimum flow or modify the plan. History: Add. 1995, Act 59, Imd. Eff. May 24, 1995 Popular Name: Act 451Popular Name: NREPA