Mark L. Johnson
Fruitful Hike
Hiked the Upper Javelina Trail early this morning. First time on the new section near Boulder Canyon Pass (see photos in collage). The...
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Mark L. Johnson
- May 28
- 2 min
Water Woes XXIII-H2O Medley
The following is a medley of recent H2O developments with the Colorado River, Marana Water and Tucson Water. New-Colorado River...
Mark L. Johnson
- May 14
- 2 min
Water Woes XXII-Cautious & Frugal
The water situation in the West has improved but it is only one year in a 24-year period whereby the Colorado River reservoir system has...
Mark L. Johnson
- May 10
- 2 min
Dave DeGroot-Trailblazer
Dave DeGroot-Grand Canyon One of the great benefits of the Tortolita Alliance (TA) is meeting and working with wonderfully talented...
Mark L. Johnson
- May 7
- 1 min
Dry But Colorful
Hedgehog Cactus Tortolita Preserve (4/23/23) Hiked the Wild Burro-Alamo Springs-Spur Trail early this morning. The lower trail potions...
Mark L. Johnson
- Apr 22
- 2 min
TA Tidbits #43-Blitz & Bitz
The following serves to update some important activities at the Tortolita Preserve (TP) and Upper Javelina Trail. TP Spring Bioblitz The...
Mark L. Johnson
- Apr 16
- 4 min
Water Woes XXI-H2O Hits The Fan
The media has pummeled us lately with plenty of water news. There is one significant Colorado River action that needs review....
Mark L. Johnson
- Apr 10
- 4 min
Saguaro Facts & Status
It has not been a good year for our treasured saguaros. Strong-Arm passed after a wonderful 160-year life in the Tortolita Preserve. We...
Mark L. Johnson
- Mar 26
- 1 min
March Gladness
Most likely your favorite team(s) have been eliminated from the NCAA basketball tournament. So its time for a little March Gladness to...
Mark L. Johnson
- Mar 22
- 2 min
Marana Water DAWS Modification Part III-DAWS On Pause
DAWS Process/Status Let's summarize the previous Marana Water (MW) Designated Assured Water Supply (DAWS) Modification blogs: Part...
Mark L. Johnson
- Mar 12
- 2 min
Water Woes XX-Are We All Wet?
Snowpack (Aqua) Western US (1/22/23)-NASA Satellite Image Tortolita Alliance (TA) has been proactively keeping the community informed of...
Mark L. Johnson
- Mar 8
- 1 min
TA Alert! Sustainable Landscapes Expo Saturday-March 11
The Annual Sustainable Landscapes Expo will be held this Saturday (3/11/23) from 10:00 AM to 2:00 at the U of A Cooperative Extension...
Mark L. Johnson
- Mar 4
- 1 min
Snowscapes
Tortolita Preserve-Snow Bound (3/2/23) The rare Sonoran Desert snow event on Thursday, March 2, 2023 was beautiful and captured for...
Mark L. Johnson
- Feb 25
- 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
- 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
- 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...
Mark L. Johnson
- Jan 22
- 3 min
Marana Water DAWS Modification-Part I Introduction & DAWS Basics
Introduction Marana Water (MW) applied to modify its Designated Assured Water Supply (DAWS) with the Arizona Department of Water...
Mark L. Johnson
- Jan 6
- 1 min
Dove Mountain Watch Update
Dove Mountain Crime Update This serves as an update to the meeting held by the Marana Police Department with Dove Mountain residents on...
Mark L. Johnson
- Dec 28, 2022
- 9 min
Water Woes XIX-New Water-Issues & Who Pays?
This blog covers the current state of the Colorado River water supply and the urgent need to develop new sources of water (New Water) to...
Mark L. Johnson
- Dec 17, 2022
- 2 min
TP Holiday Cheer!
Tortolita Preserve (12/10/22) Mule Deer Jumping For Joy Good news from Marana Parks & Recreation (MPR) on three Tortolita Preserve (TP)...
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