(Kansas Judicial Review Act confers standing on participant in agency review of Chief Engineer's determination with respect to application for water right; plaintiffs have standing to challenge determinations of Chief Engineer of Department of Water Resources, and have established facts about potential injury or impairment by Chief Engineer's granting of permit to city of Wichita to divert groundwater from diversion points close to plaintiffs' prior authorized points of diversion - plaintiffs have no other source of water for multi-million dollar home, the value of which could be impacted by grant of permit to divert water to city).