Truckee Meadows Water Authority is offering free workshops on irrigation systems, drip systems and tree care. “Sprinkler System Start-Up” is tomorrow; Tree Care is Wednesday, May 9; Drip System Maintenance is Thursday, May 31; and Sprinkler System Maintenance is Wed. June 6. The hour-long sessions start at 5:30 p.m. All workshops are free and open to TMWA customers at 1355 Capital Blvd. in Reno. Space is limited and RSVPs are required. For more information visit tmwa.com.