Revenue and expenditures are the major issues facing the board of directors for the Nevada Irrigation District in years ahead. The incumbents for two of the board seats face challengers in the upcoming race; both say they hope to be able to finish shepherding the district through the tail end of some complex regulatory agreements that will affect it for decades to come. NID was formed in 1921 as an independent special district operated by and for the people who own land within its 287,000-acre boundaries. The district supplies water for irrigation, municipal, domestic and industrial purposes and is one …