Model Large-Load Data Center Ordinance

Public Education / Municipal Review Draft

Version 7.2

SECTION 9. Cooling, Water, Wastewater, and Process Chemicals

• A.General standard.
• B.Mandatory true closed-loop / non-evaporative cooling.
• C.Prohibited cooling technologies.
• D.No routine cooling-water withdrawal regardless of source.
• E.Limited non-routine water uses.
• F.No exemption for evaporative primary cooling.
• G.Cooling Water Balance and Zero Routine Cooling-Water Demonstration.
• H.Anti-evasion; substitute water-consuming thermal management. I. Metering and reporting.
• I.Metering and reporting.
• J.River basin commissions.
• K.Water emergency curtailment.
• L.Wastewater.
• M.No cooling blowdown or unauthorized discharge.
• N.Process chemicals and closed-loop coolant management.
• O.Coolant replacement, flushing, and disposal.
• P.Annual coolant and chemical certification.
• Q.Power-generation water use.