Martis Valley Groundwater Management Plan - Placer County Water ...

Martis Valley Groundwater Management Plan Table of Contents
List of Figures
Figure 1-1. Groundwater Management Plan Area ....................................................................................... 1-2
Figure 1-2. GMP Development Process ........................................................................................................ 1-4
Figure 2-1. Groundwater Basin Location and Physiography ....................................................................... 2-2
Figure 2-2. Mean Annual Precipitation ......................................................................................................... 2-3
Figure 2-3. Mean Monthly Precipitation, Truckee Ranger Station, from 1904 to 1919 and
1935 to 2009 ........................................................................................................................................... 2-4
Figure 2-4. Percent Deviation from Mean Annual Precipitation at the Truckee Ranger Station
and Total Annual Streamflow at Farad .................................................................................................... 2-5
Figure 2-5. Hydrography and Long-Term Monitoring Stations .................................................................... 2-7
Figure 2-6. Mean Monthly Streamflows in the Middle Truckee River Watershed ..................................... 2-9
Figure 2-7. Stratigraphic Column showing Primary Hydrostratigraphic Units .......................................... 2-12
Figure 2-8. Well Locations ........................................................................................................................... 2-13
Figure 2-9. Geologic Map and Cross Section Locations ............................................................................ 2-14
Figure 2-10. Cross-section A-A’ ................................................................................................................... 2-15
Figure 2-11. Cross-section B-B’ .................................................................................................................... 2-16
Figure 2-12. Cross-section C-C’ ................................................................................................................... 2-17
Figure 2-13. Locations of Springs and Mapped Faults (active and inferred) ........................................... 2-19
Figure 2-14a. Lousetown Volcanic Outcrop ............................................................................................... 2-21
Figure 2-14b. Prosser Formation Outcrop Underlying Glacial Outwash ................................................... 2-21
Figure 2-15. Water Levels in DWR Long-term Groundwater Monitoring Wells ........................................ 2-23
Figure 2-16. Department of Water Resources Monitoring Wells and Select Hydrographs ..................... 2-24
Figure 2-17. Depth Distribution of Wells in the Martis Valley Groundwater Basin .................................. 2-26
Figure 2-18. Average Annual Groundwater Recharge 1988 to 2011 ...................................................... 2-29
Figure 2-19. Annual Groundwater Recharge Dry Year 1988 .................................................................... 2-30
Figure 2-20. Annual Groundwater Recharge Wet Year 1995 ................................................................... 2-31
Figure 3-1. CASGEM and DWR Groundwater Monitoring Wells .................................................................. 3-8
DRAFT for review purposes only. Use of contents on this sheet is subject to the limitations specified at the end of this document.
Martis Valley GMP Draft 01-09-13.docx
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