City of Pearland, TX
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Additional Cooling Tower Requirements
Based upon processes, cooling towers may either have one sub-meter or two sub-meters; one on the make-up line and one on the blow-down line. Overflows or “blow downs” must be maintained in good working order. No over-spray will be allowed. No drains or hose connections will be allowed between the sub-meter and the discharge meter.
For applicants claiming the need for one sub-meter, the application must include a description of the process used for 100 percent evaporation and how repairs and cleaning of the towers will take place that will not result in discharge into the City’s sanitary sewer.