Seattle, WA March 27 — March 31 Seattle Parks and Recreation 4209 W Marginal Way SW Seattle, WA, 98106 Map Event Information: Seattle, WA Available Classes Introduction to Irrigation and Installation — March 27, 2023 Class Information Register Now Irrigation Technician’s Course — March 28, 2023 - March 29, 2023 Class Information Register Now Landscape Irrigation Design Process — March 30, 2023 Class Information Register Now Efficient Irrigation Scheduling — March 31, 2023 Class Information Register Now IA’s Certified Irrigation Technician Exam — March 31, 2023 Class Information Register Now