The following represent acceptable design procedures and references:
- (1) the design procedures, manuals, and criteria used by the United States Corps of Engineers;
- (2) the procedures, manuals, and criteria used by the United States Soil Conservation Service;
- (3) the procedures, manuals, and criteria used by the United States Department of Interior, Bureau of Reclamation;
- (4) other procedures that are approved by the Director.
History Note: Authority G.S. 143‑215.31; 143‑215.34;
Eff. June 15, 1980;
Pursuant to G.S. 150B-21.3A, rule is necessary without substantive public interest Eff. December 23, 2017.