Water used exclusively for cooling purposes which is returned to the stream in compliance with the effluent requirements of applicable water quality standards, shall be charged at the non-consumptive use rate except that losses due to in-stream evaporation caused by cooling uses will be charged as consumptive use.
authority: Delaware River Basin Compact, 75 Stat. 688
source: 42 FR 13544, Mar. 11, 1977, unless otherwise noted.
cite as: 18 CFR 420.44