Nebraska Administrative Code
Topic - ENVIRONMENT AND ENERGY
Title 130 - NEBRASKA DEPARTMENT OF ENVIRONMENTAL QUALITY
Chapter 8 - WASTE CONTROL METHODS: DESIGN CRITERIA AND CONSTRUCTION REQUIREMENTS
Section 130-8-003
Universal Citation: 130 NE Admin Rules and Regs ch 8 ยง 003
Current through November 25, 2023
Freeboard is required for all storage structures and is a separate requirement from the minimum design storage capacity above. Freeboard is no less than the required vertical separation from the elevation at which liquid will flow out of the facility down to the required minimum storage capacity. Freeboard varies for different types of facilities as follows:
003.01 For earthen structures such as holding ponds whether using an earthen liner or synthetic liner, 1.5 feet;
003.02 For uncovered vertical walled structures such as concrete or steel tanks, twelve inches; and
003.03 For covered vertical wall structures such as underfloor pits, six inches.
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