A pressurized water distribution system for an evaporative cooler , the pressurized water distribution system comprising: a pressurized flow path portion including at least one pressurized water channel , a plurality of outlet holes , and at least one inlet hole ; a plurality of caps , each of the plurality of caps being configured to direct a flow of fluid from a corresponding one of the plurality of outlet holes ; and a non-pressurized flow path portion including at least one non-pressurized flow path in fluid communication with at least one of the plurality of outlet holes , further comprising a water distribution system lid, the water distribution system lid at least partially defining the at least one pressurized water channel, the plurality of outlet holes , and the at least one inlet hole, characterized in that the water distribution system lid defining a dome at each of the plurality of outlet holes , the non-pressurized flow path including a plurality of non-pressurized gravity distribution water channels that are defined by the water distribution system lid and that extend over each dome, that are radially arranged around each of the plurality of outlet holes , and that extend from each of the plurality of outlet holes to opposing edges of the water distribution system lid . distribution system comprising: a pressurized flow path portion including at least one pressurized water channel , a plurality of outlet holes , and at least one inlet hole ; a plurality of caps , each of the plurality of caps being configured to direct a flow of fluid from a corresponding one of the plurality of outlet holes ; and a non-pressurized flow path portion including at least one non-pressurized flow path in fluid communication with at least one of the plurality of outlet holes , further comprising a water distribution system lid, the water distribution system lid at least partially defining the at least one pressurized water channel, the plurality of outlet holes , and the at least one inlet hole, a pressurized flow path portion including at least one pressurized water channel , a plurality of outlet holes , and at least one inlet hole ; a plurality of caps , each of the plurality of caps being configured to direct a flow of fluid from a corresponding one of the plurality of outlet holes ; and a non-pressurized flow path portion including at least one non-pressurized flow path in fluid communication with at least one of the plurality of outlet holes , further comprising a water distribution system lid, the water distribution system lid at least partially defining the at least one pressurized water channel, the plurality of outlet holes , and the at least one inlet hole, characterized in that the water distribution system lid defining a dome at each of the plurality of outlet holes , the non-pressurized flow path including a plurality of non-pressurized gravity distribution water channels that are defined by the water distribution system lid and that extend over each dome, that are radially arranged around each of the plurality of outlet holes , and that extend from each of the plurality of outlet holes to opposing edges of the water distribution system lid . <EOS>