[Code of Federal Regulations] [Title 30, Volume 1] [Revised as of July 1, 2006] From the U.S. Government Printing Office via GPO Access [CITE: 30CFR56.20010] [Page 318] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 56_SAFETY AND HEALTH STANDARDS_SURFACE METAL AND NONMETAL MINES --Table of Contents Subpart S_Miscellaneous Sec. 56.20010 Retaining dams. If failure of a water or silt retaining dam will create a hazard, it shall be of substantial construction and inspected at regular intervals.