Texas Administrative Code
Title 30 - ENVIRONMENTAL QUALITY
Part 1 - TEXAS COMMISSION ON ENVIRONMENTAL QUALITY
Chapter 217 - DESIGN CRITERIA FOR DOMESTIC WASTEWATER SYSTEMS
Subchapter J - SLUDGE TREATMENT UNITS
Section 217.244 - Sludge Pumps
Current through Reg. 50, No. 13; March 28, 2025
(a) A sludge transfer pump size must be based on the quantity and character of the solids load.
(b) A mechanical pumping system must provide the required firm pumping capacity with the largest sludge pumping unit out of service.
(c) A centrifugal sludge pump must have a positive suction head, unless the pump includes a priming device.
(d) A positive displacement pump or other type of pump must have demonstrated solids handling capability for handling sludge.
(e) A positive suction head of 24 inches or more is required for all sludge pumps.
(f) An air lift pump may be used as a sludge pump, and must comply with requirements of § 217.162 of this title (relating to Air Lift Pump Design).