ABC’s Of Water...

As you are taking your seats please take a moment to look at the items on display

(Look but don’t touch!) Going Subterranean in the Desert:

The Story of Groundwater Recharge

ABC’s of Water March 27, 2018 Why did I decide to work in Water? Why do I still work in Water? Introduction

Geology Groundwater Aquifers Groundwater Basins Water Quality Groundwater Resources Groundwater Recharge But first… Pre-Presentation Review

 Soil Types  Well Models  Aquifer Model Soil Types Well Models Groundwater Model What Lies Beneath? Regional Geology

 Tectonic Environment  Eastern California Shear Zone  Local Basins Hydrogeology

Hydrogeology

 What is groundwater?  What is a groundwater basin? What is Groundwater?

Ground Water

Groundwater Basin

 Conceptual  Local basins  Why “ours” are so cool (later)

Aquifer – Bathtub

Local Basins

1. AMES VALLEY 13. GOLDSTONE VALLEY 25. LUCERNE VALLEY 2. ANTELOPE VALLEY 14. GRASS VALLEY 26. MEANS VALLEY 3. BESSEMER VALLEY 15. HARPER VALLEY 27. MIDDLE MOJAVE RIVER VALLEY 4. CAVES CANYON VALLEY 16. INDIAN WELLS VALLEY 28. MORONGO VALLEY 5. COPPER MOUNTAIN VALLEY 17. IRON RIDGE AREA 29. PILOT KNOB VALLEY 6. COYOTE LAKE VALLEY 18. JOHNSON VALLEY - SOGGY LAKE 30. SALT WELLS VALLEY 7. CRONISE VALLEY 19. JOHNSON VALLEY - UPPER 31. SEARLES VALLEY 8. CUDDEBACK VALLEY JOHNSON VALLEY 32. SUPERIOR VALLEY 9. DEADMAN VALLEY - 20. JOSHUA TREE DEADMAN LAKE 33. TWENTYNINE PALMS 21. KANE WASH AREA VALLEY 10. DEADMAN VALLEY - SURPRISE SPRING 22. LANGFORD VALLEY - 34. UPPER MOJAVE RIVER LANGFORD WELL LAKE VALLEY 11. EL MIRAGE VALLEY 23. LOST HORSE VALLEY 35. UPPER SANTA ANA VALLEY 12. FREMONT VALLEY - CAJON 24. LOWER MOJAVE RIVER VALLEY 36. WARREN VALLEY  Repeat Basins Graphic Upper Mojave River Basin Mojave River Watershed Watershed/Basin Map Topographic Watershed Topographic Watershed Watershed vs Groundwater Basin

Groundwater Basin Groundwater Basin Recharge Area Groundwater Quality

 Contamination Issues  Anthropogenic  Natural  Local concerns

 What are all the possible elements found in water?

Naturally Occurring… Leaching Minerals

 Red Rock Demo Groundwater as a Resource

 Aquifer “reservoir”  What is a well?  Well in a cup

Nested Monitoring Well Well In A Cup Groundwater Recharge

 Natural  Overland – fields  Dig a hole in your back yard  Cup of Dirt Demo (start)  Concentrated – washes & rivers  Mojave River  Artificial Image of Natural Recharge

Cup of Dirt

 Results  “Conveyor Belt”  Dry Climate Belt “Restart”

Mojave Basins Storage

 Deep Alluvial Basins  Dry climate = not full State Water Project

 1 of 29 SWC’s  85,800 acre-feet Lake Oroville

You may have heard on the news…

Recharge Locations

 Location! Location!! Location!!!  Where you need it!  Where groundwater is being used  Geology  Favorable Conditions  Gravel vs. Sand vs. Silt vs. Clay…  “5 Cups” Perc Rate Demo Local (MWA) Infrastructure

 Mojave River Pipeline  Morongo Basin Pipeline  76 miles long  71 Miles long  Victorville  Hesperia  Newberry Springs  Joshua Tree & Yucca Valley  Recharge Facilities:  Recharge Facilities:  West Victorville (planned)  Rock Springs Rd  Cassia Road (planned)  Deep Creek Rd  Adelanto Well Field (planned)  South/East Apple Valley (planned)  Helendale Bluffs  Lucerne Valley (planned)  Hodge  Linn Road (planned)  Lenwood  Ames/Reche  Daggett  Joshua Tree  Yucca Valley  Newberry Springs  Oro Grande Wash Pipeline  Silverwood Dam  3 miles long  Spillway release  Deep Creek Recharge Area  Amethyst Basin Recharge

Image of Artificial Recharge Why does all this even matter? Soil Types Groundwater Model Review Displays

Please take a moment to take another look at the items on display Questions?

Special Thanks to:

Brian Hammer Nancy Komai Yvonne Hester Products Online

 MWA Website - www.mojavewater.org  Your water  Water Data  Map Gallery  Document Library  Geospatial Library  Regional Studies  Upper Mojave River Studies  Regional Collaborative Planning - www.mywaterplan.com  IRWMP  UWMP

Watersheds

 There are 38 distinct watersheds in MWA service area Groundwa ter Basins

 There are 36 distinct groundwater basins in MWA service area

Regional - Hydrograph Deep Creek - Hydrograph

 “Again” How Much Water Do We Have?

 ~40 years

 2015 Urban Water Management Plan  Updated every 5 years  Report available at: www.mywaterplan.c om