Public Utilities & Environment All Categories... Public Utilities & Environment go Results Found: 3 Kansas Gas Service Kansas Gas Service 2720 2nd Avenue Leavenworth KS 66048 (913) 758-2737 Westar Energy Westar Energy 2720 2nd Avenue Leavenworth KS 66048 (913) 758-2746 Leavenworth Waterworks Leavenworth Waterworks 601 Cherokee PO Box 576 Leavenworth KS 66048-0576 (913) 682-1513 Upcoming Events