Del Norte Siskiyou C ounty Modoc Trinity Shasta Lass en Humboldt Tehama Plumas Gle nn Butte Sierra Mendocino Lake Colusa Sutter Yuba Nevada Placer Yolo El Dorado Sonoma Napa Amador Alpine Solano Calav eras Marin San Francisco Contra Costa San M ateo Alameda San J oaqui n Stanislaus Tuolumne Mariposa Mono J:\GIS\Projects\28xxx\28227_DWR BDCP\BDCP\ICF\Fig3_1_HydrologicRegions.mxd Date: 1/27/212 Time: 2:11:6 PM ESA Pacific Ocean Legend Santa Cl ara Santa Cruz Hydrologic Regions Central Coast Colorado River North Coast North Lahontan River San Francisco San Joaquin South Coast South Lahontan Tulare Lake 25 5 Miles Monte rey San B enito Merced San Luis Obis po Madera Kings Santa Ba rbara Fresno Inyo Tulare Kern Ventura Los Angele s Orange San D iego C ounty San B erna rdino C ounty Riverside Imperial Source: Hydrologic Regions, CASIL, 24. Figure 6-1 Hydrologic Regions and Boundaries
SHASTA DAM «3 TRINITY CO «299 «139 SHASTA CO ««44 273 LASSEN CO ««89 44 «36 «36 «36 «147 5 TEHAMA CO «32 «7 PLUMAS CO K:\Projects_1\DWR\726_11_BDCP\mapdoc\2nd_Admin_Draft\Ch6\Fig_6_2_SanJoaqWshed_212515.mxd Date: 5/15/212 Time: 7:4:36 PM 19167 MENDOCINO CO «128 Clear Lake «281 Putah Creek «32 Cache Creek Lake Berryessa «1 «9 «45 Butte Basin Bypass «149 «2 Feather River Sutter By pass Tisdale Bypass BUTTE CO ««7 162 Yolo Bypass «68 «7 Yuba River ««2 2 Bus «174 INDIAN SONOMA CO «116 «1 LAKE CO GLENN CO «162 «2 Moulton Weir Colusa Weir «45 «99 «183 MONTEREY CO Bea r River ««29 53 SUTTER CO ««193 ««175 «16 5 113 65 FOLSOM EL DORADO CO Freemont «99 DAM Weir «49 YOLO CO 5 1 Miles MARIN CO BLACK BUTTE DAM COLUSA CO VALLEY DAM «236 «17 SANTA CRUZ CO Tisdale Weir «1 «129 OROVILLE DAM YUBA CO Weir «156 American River Dry Creek «152 «25 NEW BULLARDS BAR DAM West MONTICELLO «16 NAPA CO DAM «55 Freeport SACRAMENTO CO 128 Clarksburg Hood Elk «««121 «12 29 Courtland «14 8 «««124 «113 84 16 Walnut «88 221 SOLANO CO Fairfield Thornton Locke Suisun ««12 Ryde City 12 Isleton «99 «37 Rio Vista Lodi Terminous 78 Benicia Pittsburg Lincoln Village «4 Oakley Bethel Island SAN Antioch Knightsen Point Stockton JOAQUIN CO ««242 Brentwood Discovery Country 123 CONTRA Club COSTA CO ««4 French 24 Camp Byron Lathrop Mountain Manteca ««1 98 House 12 SAN FRANCISCO CO 68 ««25 Paradise Tracy 99 219 58 238 Cut Rock Weir «38 132 ««238 ALAMEDA CO 92 SAN STANISLAUS CO MATEO CO ««88 19 33 28 ««82 237 «««84 85 13 ««35 87 SANTA «14 CLARA CO Watersheds, DHCCP 27. Dams, DWR 1994. Weirs, HDR 29. Roads ESRI 21. Aerial Photograph, NAIP 21. DRAFT Legend Plan Area Area of Additional Analysis for West Alignment River Hydraulic Basin San Joaquin Hydraulic Region Bypass ª Dams!. Weirs Unregulated Delta Tributaries SAN BENITO CO Calaveras Riv er «2 8 Cosumnes River CAMANCHE DAM Stanislaus River SAN LUIS DAM «49 NEVADA CO «4 Tuolumne River PLACER CO AMADOR CO NEW HOGAN DAM Merced RIver «33 «89 «26 CALAVERAS CO «49 «18 «165 MERCED CO SIERRA CO NEW MELONES DAM «132 «152 FRESNO CO «59 «7 «18 Bus DON PEDRO DAM «233 «88 «267 «28 «89 «14 «99 San Joaquin R «18 «4 «145 «41 iver «18 TUOLUMNE CO «12 MARIPOSA CO «49 NEW EXCHEQUER DAM MADERA CO NEVADA ALPINE CO Figure 6-2 and San Joaquin River Watersheds Region
5 OP 113 OP 65 OP 113 OP 113 OP 99 OP 99 OP 65 OP 65 OP 16 55 OP 113 8 OP 275 West OP 16 OP 16 OP 16 OP 16 OP 16 5 OP 16 OP 128 1144765 23,66 cfs OP 113 Freeport Clarksburg OP 16 Hood Elk OP 99 OP 113 Courtland 1144789 15,152 cfs OP 14 Fairfield Suisun City 1144795 9,53 cfs Walnut Ryde Locke 113366 2,574 cfs Thornton 1145542 24,353 cfs Isleton 1144793 4,64 cfs 5 68 113378-1,321 cfs Rio Vista Terminous Lodi K:\Projects_1\DWR\726_11_BDCP\mapdoc\2nd_Admin_Draft\Ch6\Fig_6_3_FlowMonitoring_212515.mxd Date: 5/15/212 Time: 3:26:11 PM 19167 OP 13 OP 112 78 Benicia OP 185 OP 24 68 Legend OP 185 Plan 238 Area OP 88 238 Area of Additional Analysis for West Alignment Flow Monitoring Stations OP 92 2.5 5 Miles 68 Point OP 238 Pittsburg Antioch 11313433 232 cfs A l a m e d a C o u n t y Oakley Knightsen Brentwood 11313315-6,266 cfs Bethel Island Byron 11312968 85 cfs Discovery 1131345-1,944 cfs Mountain House 11312676-2,924 cfs 113132 1,985 cfs OP 33 11335 4,35 cfs OP 238!. Site Number Mean Annual Flow (cfs) OP 33 25 Tracy OP 33 Lincoln Village French Camp OP 132 OP 99 Country Club Stockton OP 99 Lathrop OP 12 OP 88 OP 26 Manteca OP 132 OP 12 1133719 11,545 cfs Sources: Plan Area, DWR 21; Roads, ESRI 21; Aerial Photograph, NAIP 21, Flow Monitoring Stations, HDR 21. Average Flows, USGS 29. DRAFT Figure 6-3 Delta Stream Gage Locations and Mean Annual Flows
5 OP 65 $+ OP 16 55 8 $+!(!( West OP 275 5 OP 128 Freeport!(!( Clarksburg Elk Hood OP 99 Courtland OP 113 OP 14 Fairfield Suisun City!( Ryde!. Locke Walnut 5 Thornton OP 16 Rio Vista Isleton Lodi Terminous K:\Projects_1\DWR\726_11_BDCP\mapdoc\2nd_Admin_Draft\Ch6\Fig_6_4_ControlStructures_212515.mxd Date: 5/15/212 Time: 3:41:35 PM 19167 OP 13 78 Benicia OP 24 Legend 68 ") OP 185 Intake!. OP 112 Gate # Temporary Rock Barriers 238!( Fish Facility!( 88 Export Facilities $+ OP 92 Weirs Plan Area Point!(!(!. Area of Additional Analysis for West Alignment 2.5 5 Miles Pittsburg Antioch!( Oakley Knightsen Bethel Island OP 238 OP 33!( ") Brentwood Byron!( Discovery!(!(!( ") ") # # Mountain House # 25 Tracy Lincoln Village Country Club Stockton French Camp # $+ OP 132 Lathrop OP 12 OP 88 OP 26 Manteca Sources: Plan Area, DWR 21; Roads, ESRI 21; Aerial Photograph, NAIP 21, Control Structures, DWR 27. Weirs, BDCP 21. Export facilities, URS 27 DRAFT Figure 6-4 Major Hydraulic Control Structures in the Delta
5 OP 65 OP 16 55 8 West OP 275 5 OP 128 Freeport Clarksburg OP 16 Hood Elk OP 99 Courtland OP 113 OP 14 Fairfield Suisun City Ryde Locke Walnut 5 Thornton Rio Vista Isleton Lodi Terminous K:\Projects_1\DWR\726_11_BDCP\mapdoc\2nd_Admin_Draft\Ch6\Fig_6_5_Levees_212515.mxd Date: 5/15/212 Time: 3:47:2 PM 19167 OP 13 78 Benicia OP 185 OP 112 OP 24 Legend 68 Plan 238 Area Area 88 of Additional Analysis for West Alignment Nonproject Levees OP 92 State-Federal Project Levees 2.5 5 Miles Point Pittsburg Antioch Oakley Knightsen Bethel Island Brentwood Byron Discovery Mountain House OP 238 OP 33 25 Tracy Lincoln Village Country Club Stockton French Camp OP 132 Lathrop OP 12 OP 88 OP 26 Manteca Sources: Plan Area, DWR 21; Roads, ESRI 21; Aerial Photograph, NAIP 21, Levees, DWR 29. DRAFT Figure 6-5 Project and Nonproject Levees
5 OP 65 OP 16 5 55 8 West OP 275 Underseepage 5 OP 128 Freeport Clarksburg Elk OP 16 OP 113 Landslide Slip 26 Unstable Every Flood Hood Courtland RR Embankment Failed 198 & 1997 OP 99 OP 14 Fairfield Suisun City Through Seepage Continuing (Sand Boils) Underseepage 1997 Ryde Locke Walnut Sand Boils Thornton 195 Levee Breach Recurring Sand Boils Sand Boils & Stability Problems Landside Instability, 1982-1986 Isleton Rio Vista Sand Boils Levee Instability 1997 Current Cracking on Crown Through Seepage Continual Foundation Consolidation Lodi 1955 Breach Continual Foundation Consolidation Terminous Underseepage Through/Underseepage 1983, 1986, 26 K:\Projects_1\DWR\726_11_BDCP\mapdoc\2nd_Admin_Draft\Ch6\Fig_6_6_ProblemAreas_212515.mxd Date: 5/15/212 Time: 3:54:41 PM 19167 OP 13 OP 112 78 Benicia OP 185 OP 24 Slumping, Sink Hole (Late 8s) 68 Legend Plan 238 Area Area 88 of Additional Analysis for West Alignment Levee Seepage and Reported Problem Areas OP 92 2.5 5 Miles Point Ongoing Slumping Pittsburg Erosion of Underside Toe & Seepage Antioch Cracks on Levee Toe 1997 Through Seepage Bethel Island Oakley 198 Levee Failure Knightsen Through Seepage & Foundation Consolidation Brentwood Byron Seepage 198 Levee Breach Discovery Failure Due to Fill Replacement Steep Underwater Slope Through Underseepage Country Club Severe Underwater Erosion Mountain House Underseepage & Sand Boils OP 238 OP 33 25 Tracy Lincoln Village French Camp OP 132 Stockton Lathrop OP 12 OP 88 OP 26 Manteca Sources: Plan Area, DWR 21; Roads, ESRI 21; Aerial Photograph, NAIP 21, Flood Zones, FEMA DFIRM 29 DRAFT Figure 6-6 Reported Delta Levee Problem Areas
5 OP 65 OP 16 55 8 West OP 275 5 OP 128 Freeport Clarksburg OP 16 Hood Elk OP 99 Courtland OP 113 OP 14 Fairfield Suisun City Ryde Locke Walnut 5 Thornton Rio Vista Isleton Lodi Terminous K:\Projects_1\DWR\726_11_BDCP\mapdoc\2nd_Admin_Draft\Ch6\Fig_6_7_FEMA_212515.mxd Date: 5/15/212 Time: 4:7:27 PM 19167 OP 13 78 Benicia OP 185 OP 112 OP 24 Legend Area of Additional Analysis for West Alignment Flood Zones 68 Plan Area Point A - 1% annual chance of flooding AO - 1% or greater chance of shallow flooding, usually sheet flow D 238 - Areas with possible but undetermined flood hazards VE 88 - Coastal areas with a 1% or greater chance of flooding OP 238 OP 33.2 % annual chance of flooding OP 92 Pittsburg Antioch AE - 1% annual chance of flooding derived from detailed study AH - 1% annual chance of shallow flooding (1 to 3 feet depth) 2.5 5 Miles Oakley Knightsen Bethel Island Brentwood Byron Discovery Mountain House 25 Tracy Lincoln Village Country Club Stockton French Camp OP 132 Lathrop OP 12 OP 88 OP 26 Manteca Sources: Plan Area, DWR 21; Roads, ESRI 21; Aerial Photograph, NAIP 21, Flood Zones, FEMA DFIRM 29 DRAFT Figure 6-7 Effective Federal Emergency Management Agency Flood Zones
"LLT" (Late Long-Term) indicates Alternatives that are simulated with 26 climate change and sea level rise. "LLT" (Late Long-Term) indicates Alternatives that are simulated with 26 climate change and sea level rise. 6, 6, 5, 5, 4, 3, 2, 4, 3, 2, 1, 1, "LLT" (Late Long-Term) indicates Alternatives that are simulated with 26 climate change and sea level rise. 6, 5, 4, 3, 2, 1, (Wet Year defined by Valley 4 3 3 Index) Figure 6-8 River Flow at Freeport, Average Wet Years
"LLT" (Late Long-Term) indicates Alternatives that are simulated with 26 climate change and sea level rise. "LLT" (Late Long-Term) indicates Alternatives that are simulated with 26 climate change and sea level rise. 6, 6, 5, 5, 4, 3, 2, 4, 3, 2, 1, 1, "LLT" (Late Long-Term) indicates Alternatives that are simulated with 26 climate change and sea level rise. 6, 5, 4, 3, 2, 1, Figure 6-9 River Flow at Freeport, Long-Term Average
"LLT" (Late Long-Term) indicates Alternatives that are simulated with 26 climate change and sea level rise. 16, 14, 12, 1, 8, 6, 4, 2, Alternative 4-H1 (LLT) Alternative 4-H2 (LLT) Alternative 4-H3 (LLT) Alternative 4-H4 (LLT) "LLT" (Late Long-Term) indicates Alternatives that are simulated with 26 climate change and sea level rise. 16, 14, 12, 1, 8, 6, 4, 2, "LLT" (Late Long-Term) indicates Alternatives that are simulated with 26 climate change and sea level rise. 16, 14, 12, 1, 8, 6, 4, 2, (Wet Year defined by San Joaquin River Basin 6 2 2 Index) Figure 6-1 San Joaquin River Flow at Vernalis, Average Wet Years
"LLT" (Late Long-Term) indicates Alternatives that are simulated with 26 climate change and sea level rise. 16, Alternative 4-H1 (LLT) Alternative 4-H2 (LLT) Alternative 4-H3 (LLT) Alternative 4-H4 (LLT) "LLT" (Late Long-Term) indicates Alternatives that are simulated with 26 climate change and sea level rise. 16, 14, 14, 12, 1, 8, 6, 12, 1, 8, 6, 4, 4, 2, 2, "LLT" (Late Long-Term) indicates Alternatives that are simulated with 26 climate change and sea level rise. 16, 14, 12, 1, 8, 6, 4, 2, Figure 6-11 San Joaquin River Flow at Vernalis, Long-Term Average
"LLT" (Late Long-Term) indicates Alternatives that are simulated with 26 climate change and sea level rise. "LLT" (Late Long-Term) indicates Alternatives that are simulated with 26 climate change and sea level rise. 6, 6, 5, 5, 4, 3, 2, 4, 3, 2, 1, 1, "LLT" (Late Long-Term) indicates Alternatives that are simulated with 26 climate change and sea level rise. 6, 5, 4, 3, 2, 1, (Wet Year defined by Valley 4 3 3 Index) Figure 6-12 River Flow downstream of North Delta Intakes, Average Wet Years
"LLT" (Late Long-Term) indicates Alternatives that are simulated with 26 climate change and sea level rise. "LLT" (Late Long-Term) indicates Alternatives that are simulated with 26 climate change and sea level rise. 6, 6, 5, 5, 4, 3, 2, 4, 3, 2, 1, 1, "LLT" (Late Long-Term) indicates Alternatives that are simulated with 26 climate change and sea level rise. 6, 5, 4, 3, 2, 1, Figure 6-13 River Flow downstream of North Delta Intakes, Long-Term Average
"LLT" (Late Long-Term) indicates Alternatives that are simulated with 26 climate change and sea level rise. 5, "LLT" (Late Long-Term) indicates Alternatives that are simulated with 26 climate change and sea level rise. 5, 4,5 4,5 4, 4, 3,5 3, 2,5 2, 1,5 3,5 3, 2,5 2, 1,5 1, 1, 5 5 "LLT" (Late Long-Term) indicates Alternatives that are simulated with 26 climate change and sea level rise. 5, 4,5 4, 3,5 3, 2,5 2, 1,5 1, 5 (Wet Year defined by Valley 4 3 3 Index) Figure 6-14 Trinity River Flow below Lewiston Dam, Average Wet Years
"LLT" (Late Long-Term) indicates Alternatives that are simulated with 26 climate change and sea level rise. 5, "LLT" (Late Long-Term) indicates Alternatives that are simulated with 26 climate change and sea level rise. 5, 4,5 4,5 4, 4, 3,5 3, 2,5 2, 1,5 3,5 3, 2,5 2, 1,5 1, 1, 5 5 "LLT" (Late Long-Term) indicates Alternatives that are simulated with 26 climate change and sea level rise. 5, 4,5 4, 3,5 3, 2,5 2, 1,5 1, 5 Figure 6-15 Trinity River Flow below Lewiston Dam, Long-Term Average
"LLT" (Late Long-Term) indicates Alternatives that are simulated with 26 climate change and sea level rise. "LLT" (Late Long-Term) indicates Alternatives that are simulated with 26 climate change and sea level rise. 14, 14, 12, 12, 1, 8, 6, 4, 1, 8, 6, 4, 2, 2, "LLT" (Late Long-Term) indicates Alternatives that are simulated with 26 climate change and sea level rise. 14, 12, 1, 8, 6, 4, 2, (Wet Year defined by Valley 4 3 3 Index) Figure 6-16 American River Flow below Nimbus Dam, Average Wet Years
"LLT" (Late Long-Term) indicates Alternatives that are simulated with 26 climate change and sea level rise. "LLT" (Late Long-Term) indicates Alternatives that are simulated with 26 climate change and sea level rise. 14, 14, 12, 12, 1, 8, 6, 4, 1, 8, 6, 4, 2, 2, "LLT" (Late Long-Term) indicates Alternatives that are simulated with 26 climate change and sea level rise. 14, 12, 1, 8, 6, 4, 2, Figure 6-17 American River Flow below Nimbus Dam, Long-Term Average
"LLT" (Late Long-Term) indicates Alternatives that are simulated with 26 climate change and sea level rise. 2, 18, 16, 14, 12, 1, 8, 6, 4, 2, "LLT" (Late Long-Term) indicates Alternatives that are simulated with 26 climate change and sea level rise. 2, 18, 16, 14, 12, 1, 8, 6, 4, 2, "LLT" (Late Long-Term) indicates Alternatives that are simulated with 26 climate change and sea level rise. 2, 18, 16, 14, 12, 1, 8, 6, 4, 2, (Wet Year defined by Valley 4 3 3 Index) Figure 6-18 Feather River Flow at Thermalito Dam, Average Wet Years
"LLT" (Late Long-Term) indicates Alternatives that are simulated with 26 climate change and sea level rise. 2, "LLT" (Late Long-Term) indicates Alternatives that are simulated with 26 climate change and sea level rise. 2, 18, 18, 16, 16, 14, 12, 1, 8, 6, 14, 12, 1, 8, 6, 4, 4, 2, 2, "LLT" (Late Long-Term) indicates Alternatives that are simulated with 26 climate change and sea level rise. 2, 18, 16, 14, 12, 1, 8, 6, 4, 2, Figure 6-19 Feather River Flow at Thermalito Dam, Long-Term Average
"LLT" (Late Long-Term) indicates Alternatives that are simulated with 26 climate change and sea level rise. 35, "LLT" (Late Long-Term) indicates Alternatives that are simulated with 26 climate change and sea level rise. 35, 3, 3, Monthly Spills (CFS) 25, 2, 15, 1, Monthly Spills (CFS) 25, 2, 15, 1, 5, 5, "LLT" (Late Long-Term) indicates Alternatives that are simulated with 26 climate change and sea level rise. 35, 3, Monthly Spills (CFS) 25, 2, 15, 1, 5, (Wet Year defined by Valley 4 3 3 Index) Figure 6-2 Flow Spills into Yolo Bypass at Fremont Weir, Average Wet Years
"LLT" (Late Long-Term) indicates Alternatives that are simulated with 26 climate change and sea level rise. "LLT" (Late Long-Term) indicates Alternatives that are simulated with 26 climate change and sea level rise. 8, 8, 4, -4, 4, -4, -8, -8, -12, -12, "LLT" (Late Long-Term) indicates Alternatives that are simulated with 26 climate change and sea level rise. 8, 4, -4, -8, -12, Figure 6-21 Old and Middle River Flows, Long-Term Average