Mark L. Johnson
Snowscapes
Tortolita Preserve-Snow Bound (3/2/23) The rare Sonoran Desert snow event on Thursday, March 2, 2023 was beautiful and captured for...
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Mark L. Johnson
- Feb 25, 2023
- 2 min
TA Tidbits # 41-Tortolita Preserve Project Updates
Tortolita Dawn (TP-9/25/22) Tortolita Alliance (TA ) attended a presentation by Marana Parks & Recreation (MPR) on 2/23/23 at the...
Mark L. Johnson
- Feb 18, 2023
- 3 min
Smart Irrigation To Save Water
Typically, 50-75% of the water use at a home in the arid southwest goes to outdoor landscape irrigation. Therefore, it is very important...
Mark L. Johnson
- Jan 29, 2023
- 9 min
Marana Water DAWS Modification Part II-Analysis
Introduction The 6-Step Procedure for developing the Designated Assured Water Supply (DAWS) was described in Part I. In Part II, we go...
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