WORKING DRAFT List of Figures Groundwater Sustainability Plan for Santa Rosa Plain Subbasin. Figure Number. Figure Title

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1 . WORKING DRAFT List of s Grodwater Sustainability Plan for Subbasin Number Title Plan Area Section 2-1 Plan Area 2-2 Elevation and Surface Water Features 2-3 Jurisdictional and Protected Areas 2-4a Historical Land Use (1999) 2-4b Recent Land Use (2012) 2-4c Land Use, Crops and Vegetation 2-5 Water Sector and Water Use Type 2-6a Water Wells 2-6b Water Well Permits Issued 2-7a Monitored Wells 2-7b Stream Flow Monitoring Network 2-7c Climate Stations 2-8 General Plan Landuse Zoning 2-9 Coty Grodwater Availability Classifications Basin Setting Section 3-1 Topography and Surface Water Features 3-2 Soils Map 3-3 Geologic Map 3-4 Cross Sections 3-5 Fence Diagram 3-6 Geologic Unit Thickness Maps 3-7 Recharge Potential Map 3-8 Grodwater Discharge Areas 3-9 Rainfall Distribution Map 3-10 Chart of Annual Precipitation 3-11 Grodwater-level Contour Maps 3-12 Hydrographs of Key Wells 3-13 Grodwater-Level Trends 3-13 Continuous GPS Station Plots 3-14 Grodwater Quality Distribution Maps 3-15 Grodwater Quality Trend Maps 3-16 Interconnected Surface Water 3-17 Grodwater Dependent Ecosystems Initial Draft reviewed by AC at November 2018 AC meeting Initial Draft/Example provided at January 2019 AC meeting In progress - initial draft for March 2019 AC meeting

2 Healdsburg Calistoga Nap Son o Windsor rk Ma W C est ree ma a Co t y Cou n ty k St Helena Santa Rosa Creek Santa Rosa g La ad 12 es an ta Ro 101 sa Sebastopol ld no Ar iv Dr 116 e Rohnert Park Cotati n So om a y ty t Co Co in ar M 0 Elevation (feet) , , 3,.1-4,488.9 Contributing Area Watershed Grodwater Subbasin Streams , Waterbodies Major Rivers and Creeks 1,.1-1,500 Managed Wetland 2,.1-2,500 City Footprints 1, , 4 Miles Coty Line 2-2 Elevation and Surface Water Features Data Sources: Grodwater Basins - California Department of Water Resources, Bulletin 118 Major Rivers and Creeks - Department of Water Resources Petaluma Streams - Sonoma Coty Central GIS and Sonoma Water Managed Wetlands - Department of Water Resources, 2014 Crop Mapping Elevation - Sonoma Coty Vegetation Mapping and LiDAR Program North American Vertical Datum 1988 (NAV88) DRAFT Filepath: S:\Proj\water transmission\water_supply\x0204p006_grodwater_santarosa\santarosaplain_gsa_topography, SurfaceWaterDrainage_v2.mxd Date prepared: 1/11/2019

6,320, 6,340, 6,360, 6,380, 6,400, 1,880, 1,900, 1,920, 1,940, 1,960, 1,980, City of Sebastopol City of

Bodary Highway Stream City of Rohnert Park City of Cotati Surface Textures Hwy 12 Clay Clay loam Gravelly clay

Fine sandy loam Gravelly sandy loam Loam Gravelly loam Very gravelly loam Stony loam Unweathered bedrock

3 6,320, 6,340, 6,360, 6,380, 6,400, 1,880, 1,900, 1,920, 1,940, 1,960, 1,980, City of Sebastopol City of Healdsburg Town of Windsor Hwy 12 Hwy 101 City of Santa Rosa Hwy 101 Symbol Explanation Sonoma Valley GSA Bodary Highway Stream City of Rohnert Park City of Cotati Surface Textures Hwy 12 Clay Clay loam Gravelly clay loam Cobbly clay loam Silty clay loam Silt loam Gravelly silt loam Gravelly sand Very gravelly sand Sandy loam Fine sandy loam Gravelly sandy loam Loam Gravelly loam Very gravelly loam Stony loam Unweathered bedrock Variable Unknown Adapted from SSURGO Database NAD83, California zone 2, feet City of Petaluma 3-2a: GSA Soil Textures Miles

4 6, 340, 6, 360, 6, 380, 1, 980, 6, 320, 6, 400, SymbolExpl anat i on Sonoma Valley GSA Bodary Highway Stream 1, 880, 1, 900, 1, 920, 1, 940, 1, 960, Sat ur at edhydr au l i ccondu ct i vi t y( μm/ s) Very Low ( ) Low ( ) Moderately Low (0.1-1) Moderately High (1-10) High (10-100) Very High ( ) Adapted from SSURGO Database NAD83, California zone 2, feet 3-2b: GSA Saturated Hydraulic Conductivity Miles

Legend Sedimentary and Volcanic Units CJ Quaternary Alluvium - Wilson Grove Formation CJ Gl en Ellen Formation C] Sonoma Volcanics - Petaluma Formation A-A' Geologic Cross-Section Bedrock Units

5 Legend Sedimentary and Volcanic Units CJ Quaternary Alluvium - Wilson Grove Formation CJ Gl en Ellen Formation C] Sonoma Volcanics - Petaluma Formation A-A' Geologic Cross-Section Bedrock Units CJ Cl Sant a Rosa Plain GMP Franciscan Complex Area Bodary - Ultramafic rocks r-, Geologic Structural Basin L - Geology of the Santa Rosa Plain Watershed I I I I I 5 Miles I I I s 3-3

SEA LEVEL -2, Southwest A FEET Sebastopol fault Trenton Ridge fault Rodgers Creek fault zone Mayacmas Motains Maacama Petrified Forest fault -thrust zone zone Northeast A' FEET 1, SEA

LEVEL -2, -2, -4, -4, -6, -6, No vertical exaggeration D D D EXPLANATION Quaternary deposits and Glen Ellen Formation, divided Wilson Grove Formation Sonoma Volcanics -Petaluma Formation

6 SEA LEVEL -2, Southwest A FEET Sebastopol fault Trenton Ridge fault Rodgers Creek fault zone Mayacmas Motains Maacama Petrified Forest fault -thrust zone zone Northeast A' FEET 1, SEA LEVEL 2, -4, 4, -6, No vertical exaggeration 6, SEA LEVEL Southwest B FEET Sebastopol fault Cotati Basin Rincon Valley Bennett Valley fault zone Mayacmas Motains Northeast B' FEET 1, SEA LEVEL -2, -2, -4, -4, -6, -6, No vertical exaggeration D D D EXPLANATION Quaternary deposits and Glen Ellen Formation, divided Wilson Grove Formation Sonoma Volcanics -Petaluma Formation -Undifferentiated basement I I I I Fault, sense of offset not shown Geology modified from McLaughlin and others (2008) and Sweetkind and others (2010) Schematic West-East Geologic Cross Sections 3-4

7 Healdsburg Calistoga Nap Son o Windsor rk Ma W C est ree ma a Co t y Cou n ty k St Helena Santa Rosa Creek Santa Rosa g La ad 12 es an ta Ro 101 sa Sebastopol ld no Ar e 116 iv Dr Rohnert Park Cotati n So om a y ty t Co Co in ar M Contributing Area Watershed Grodwater Subbasin Streams Major Rivers and Creeks Average Precipitation (inches/year) Miles Recent Average Annual Precipitation ( ) Data Sources: Grodwater Basins - California Department of Water Resources, Bulletin 118 Major Rivers and Creeks - Department of Water Resources Petaluma Streams - Sonoma Coty Central GIS and Sonoma Water Precipitation - US Geologic Survey, Basin Characterization Model (2014) Coty Line City Footprints DRAFT Filepath: S:\Proj\water transmission\water_supply\x0204p006_grodwater_santarosa\santarosaplain_gsa_climate_precip_v2.mxd Date prepared: 1/11/2019

8 3-10:

9 Document Path: T:\nbaskett\Marcus\SRP_GWMP\2016_Winter\GW_Contours_SRP_Shallow_Polys_ mxd Grodwater Elevation 400 Feet above sea-level February 22, Well Depth Range (Feet) General Grodwater Flow Direction < Grodwater level relative to mean sea level Streams Grodwater Management Plan Area Fault Zone Location (USGS 2014) * Datum not used for contouring purposes LAGUNA DE Grodwater Management Plan Generalized Grodwater Level Map Shallow Zone Spring SANTA ROSA COPELAND CREEK SA N TA ROSA SP R ING CREEK M ATANZ AS CREEK Miles CREEK MA RK WEST CREEK ² 3-11a

$55 Document Path: T:\nbaskett\Marcus\SRP_GWMP\2016_Winter\GW_Contours_SRP_Deep_Polys_1-24-17.$ mxd Grodwater Elevation 400 Feet above sea-level February 22, 2017 300 200 100 0 53.09 #0 163.5* 39.

mxd Grodwater Elevation 400 Feet above sea-level February 22, 2017 300 200 100 0 53.09 #0 163.5* 39.

10 # Document Path: T:\nbaskett\Marcus\SRP_GWMP\2016_Winter\GW_Contours_SRP_Deep_Polys_ mxd Grodwater Elevation 400 Feet above sea-level February 22, # * Well Depth Range (Feet) >500 #0 Unknown General Grodwater Flow Direction Grodwater level relative to mean sea level Grodwater Management Plan Area Fault Zone Location (USGS 2014) * Datum not used for contouring purposes 52.1 Grodwater Management Plan Generalized Grodwater Level Map Deep Zone Spring Miles ² 3-11b

11 Healdsburg fault Maacama fault Document Path: T:\nbaskett\Marcus\SRP_GWMP\2016_Winter\SRP_Regressions_ mxd RUSSIA N RIVER Hwy 101 N MARK WEST CREEK Wilson Grove Trend # of Wells Increase 9 < ft/yr change 44 Decrease Decrease Decrease > Windsor Grodwater Management Plan Cotati "Sebastopol fault" Grodwater-Level Trends Shallow Wells North Uplands Rodgers Creek fault Valley Hwy 101 S SANTA LAGUNA DE SANTA ROSA ROSA C REEK South Uplands Hwy 12 Bennett Valley fault Legend Average Grodwater Level Change Per Year (feet) Long-Term Increase Decrease Change of less than ± 0.5 Average Grodwater Level Change Per Year (feet) Short-Term Increase Decrease ² Miles Trends derived for wells with spring measurements in 2006, and 2015 or Change of less than ± 0.5 Trends derived for wells with 4 or more spring measurements in 2011 or greater. 3-13a

12 Healdsburg fault Maacama fault RIVER RUSSIA N Hwy 101 N North Uplands Document Path: T:\nbaskett\Marcus\SRP_GWMP\2016_Winter\SRP_Regressions_ mxd MARK WEST CREEK Trend # of Wells Increase 8 < ft/yr change 9 Decrease Decrease Decrease > Windsor Wilson Grove Grodwater Management Plan "Sebastopol fault" Grodwater-Level Trends Deep Wells Rodgers Creek fault Cotati Hwy 101 S SANTA LAGUNA DE SANTA ROSA Valley ROSA C REEK South Uplands Hwy 12 Bennett Valley fault Legend Average Grodwater Level Change Per Year (feet) Long-Term Increase Decrease Change of less than ± 0.5 Average Grodwater Level Change Per Year (feet) Short-Term Increase Decrease ² Miles Trends derived for wells with spring measurements in 2006, and 2015 or Change of less than ± 0.5 Trends derived for wells with 4 or more spring measurements in 2011 or greater. 3-13b

13 Healdsburg Calistoga Nap a Nap Son o Windsor ma a Co t R iv er y Cou n ty C Mill k ree Yor k Cr est eek Bea r Cr eek rk W Ma Cre ek Santa Rosa reek Spring C Tule Cattail 12 Sebastopol Sonoma Creek 116 Co t Miles ar ty y r ive Commities Commonly Assoicated with Grodwater Vegetation Name Redwood - Douglas-Fir Riparian Mixed Hardwood Tule - Cattail Wet Meadows 3-16 Vegetation Associated with Grodwater White Alder Willow Major Rivers and Creeks Streams City Footprints *Note: Grodwater associated commities are displayed with white buffers to improve visibility. Buffers do not spatially represent commities. eek Co lum ta Pe 1 ree k Cotati a Ma rin Cra ne C e Cr om Rohnert Park Ado b So n 101 Data Sources: Grodwater Basins - CaliforniaPetaluma Department of Water Resources, Bulletin 118 Vegetation Associated with Grodwater - California Department of Water Resources, Department of Fish and Wildlife, and The Nature Conservancy Grodwater Resources Hub Coty Line DRAFT Filepath: S:\Proj\water transmission\water_supply\x0204p006_grodwater_santarosa\santarosaplain_gsa_grodwatercommities_v2.mxd Date prepared: 1/11/2019

LAUREL MARCUS California Land Stewardship Institute OVERVIEW OF GROUNDWATER STUDIES IN THE RUSSIAN RIVER WATERSHED

LAUREL MARCUS California Land Stewardship Institute OVERVIEW OF GROUNDWATER STUDIES IN THE RUSSIAN RIVER WATERSHED - 60% OF LAND AREA } 20% OF LAND AREA } 20% OF LAND AREA GEOLOGY OF THE RUSSIAN RIVER