Section 217.124 - Grit Removal Systems(a) A wastewater treatment facility using anaerobic digestion must have a grit removal system. A grit removal system is optional for all other facilities.(b) A grit removal system includes units and processes capable of removing inert, non-biodegradable particles.(c) A grit removal system must include at least two units capable of operating at the peak flow of the wastewater treatment facility when grit removal is required by subsection (a) of this section.(d) Each grit removal system must include:(1) an emergency overflow to accept flow when a grit removal unit is off-line; and(2) a means of diverting flow to the emergency overflow.30 Tex. Admin. Code § 217.124
The provisions of this §217.124 adopted to be effective August 28, 2008, 33 TexReg 6843; Amended by Texas Register, Volume 40, Number 47, November 20, 2015, TexReg 8315, eff. 12/4/2015