A permit to appropriate water, pursuant to §§ 46-1-15 and 46-5-10 , is not required for drip irrigation, as defined in § 46-5-50 , if the drip irrigation meets the following conditions: (1) The irrigation is for noncommercial purposes; and (2) Use of water does not exceed eighteen gallons per minute. Source: SL 1990, ch 358 , § 2; SL 1996, ch 263 , § 4.