Maurice Delano Roos Obituary

April 17, 2026

Khalida Fazel wrote a sympathy message

“My deepest condolences to the family of Maury for your tremendous loss. Maury was an incredible leader and mentor at the Department of Water Resources. It was such a pleasure seeing him daily and working with him. I enjoyed talking with him and asking him technical questions, as I always knew Maury had an unmatched depth of knowledge. He was a tremendous resource of knowledge and experience, having devoted his life's work to the mission of this Department. He will be greatly missed but his legacy will live on through all his work and all the lives he touched.”

April 10, 2026

Derick Louie - NOAA Affiliate wrote a sympathy message

“When I joined DWR in 2001 it was to take advantage of the timing. Old timers around during project construction would still be around, but with enough attrition to have open positions. I've gotten to work with the State Hydrogeologist and when I joined DFM in 2007 I got to work with the State Meteorologist and Maury, the State Hydrologist. Maury was always the most thoughtful, earnest, and grounded person with deep and sincere interest in water issues around the world, and long history with DWR.”

April 3, 2026

Wade Wylie wrote a sympathy message

“Maury was a staple of the DWR HFO experience. He was a fine person to know and I appreciated every interaction I had with him. I'm glad to have known him and am sorry to hear of his passing. Wade Wylie”

April 3, 2026

Daniel Cayan wrote a sympathy message

“I got to know Maury during his long tenure as DWR's lead hydrologist. When we 1st met, I was young, inexperienced but Maury was always a gentleman who took time to explain and inform. I came to realize that Maury, above anyone else, knew the what's, why's of Calif's water system. But Maury was so much more th an excellent professional. Touched that he brought us fruit & nuts from his orchard, which he obviously cherished. Will miss him greatly Dan Cayan Scripps Inst Oceanography, UCSD.”