SAND HILL ROAD SHORELINE BLVD 1 1 1 2 2 2 6 6 6 5 5 5 3 3 3 16 16 16 17 17 17 18 18 18 19 19 19 15 15 15 11 11 11 23 23 23 24 24 24 25 25 25 30 30 30 29 29 29 31 31 31 32 32 32 27 27 27 33 33 33 34 34 34 20 20 20 20 20 20 36 36 36 37 37 37 38 38 38 39 39 39 7 7 7 9 9 9 10 10 10 8 8 8 28 28 28 4 4 4 13 13 13 14 14 14 22 22 22 35 35 35 21 21 21 26 26 26 12 12 12 CREEK & WATERSHED MAP of Palo Alto & Vicinity By Janet M. Sowers, William Lettis & Associates, Inc. Historical wetlands by the San Francisco Estuary Institute SCALE 1 1 MILE 0 1 2 1000 0 1000 3000 4000 5000 6000 7000 FEET .5 0 1 KILOMETER 1 SAN FRANCISCO BAY SAN FRANCISCO BAY SAN FRANCISCO BAY A A A l l l a a a m m m b b b i i i q q q u u u e e e Creek Creek Creek Creek Creek Creek M M M a a a r r r t t t i i i n n n Bull Bull Bull Creek Creek Creek Run Run Run Neils Neils Neils Gulch Gulch Gulch Bear Bear Bear Gulch Gulch Gulch Appletree Appletree Appletree Gulch Gulch Gulch Gulch Gulch Gulch Tripp Tripp Tripp Gulch Gulch Gulch Squealer Squealer Squealer Union Union Union West West West Creek Creek Creek Creek Creek Creek Sausal Sausal Sausal Creek Creek Creek Corte Corte Corte M M M a a a d d d e e e r r r a a a Creek Creek Creek Westridge Westridge Westridge San San San Creek Creek Creek F F F r r r a a a n n n c c c i i i s s s q q q u u u i i i t t t o o o Creek Creek Creek Bear Bear Bear Creek Creek Creek Dry Dry Dry Redwood Redwood Redwood Creek Creek Creek Canal Canal Canal Bayfront Bayfront Bayfront A A A r r rr r ro o oy y yo o o O O O j j jo o o d d d e e e A A A g g g u u u a a a Creek Creek Creek Matadero Matadero Matadero Deer Deer Deer Creek Creek Creek Adobe Adobe Adobe Creek Creek Creek Hale Hale Hale Creek Creek Creek Permanente Permanente Permanente Creek Creek Creek Stevens Stevens Stevens Creek Creek Creek Atherton Atherton Atherton Channel Channel Channel Pulgas Creek Creek Creek Creek D D D e e e n n n n n n i i i s s s Searsville Lake Searsville Lake Searsville Lake Felt Lake San San San Creek Creek Creek Lagunita Lagunita Lagunita Los Los Los Trancos Trancos Trancos Creek Creek Creek 1892 1892 1892 1892 1892 1892 Creek Creek Creek Honda Honda Honda La La La Creek Creek Creek Greenwood Greenwood Greenwood Creek Flood Basin Flood Basin Flood Basin C C C o o o r r r d d d i i i l l ll l l e e e r r r a a a s s s Barron Barron Barron Creek Creek Creek Robleda Robleda Robleda Creek Creek Creek Coast Casey Coast Casey Coast Casey Forebay Forebay Forebay Stanford Stanford Stanford Channel Channel Channel Arastradero Shoreline Shoreline Shoreline Lake Lake Lake Creek Creek Creek Matadero Matadero Matadero Creek Creek Creek Rita Rita Rita S S S a a a n n n t t t a a a Printed 7/30/04 F F F r r r a a a n n n c c c i i i s s s q q q u u u i i i t t t o o o This map shows the current waterways of Palo Alto and vicinity, including the creek and storm drain network and present-day watershed boundaries. Also shown are the historical creeks, tidal marshes, and willow groves. Urban development has noticeably changed the natural drainage. Creeks that once spread out and dropped their sediment on the flatlands now connect to the bay with engineered channels. Parts of some creeks now flow in underground storm drains. New storm drains have been built as increased pavement area has resulted in more runoff. In the hills, creeks are impounded to create reservoirs. Beside the bay, tidal marshes are diked, filled, or drained, and meandering sloughs are replaced by straight channels. How this map was made: Storm drains, engineered channels, and present-day creeks were compiled from city and county data, 1999 and 2000 aerial photography, and field inspection. The historical locations of creeks were compiled primarily from historical maps, 1939 and 1943 aerial photography, and previous work by the San Francisco Estuary Institute (SFEI) and Alan K. Brown. Historical tidal marshes and willow groves were researched by SFEI using a variety of sources including the 1857 U. S. Coast Survey. Complete documentation can be obtained from www.museumca.org/creeks/paloaltodoc.html, or from Janet Sowers at William Lettis & Associates, Inc. in Walnut Creek. The base map (showing present geographic features) was prepared by the U. S. Geological Survey in 1991. Notes: The map shows creeks and engineered channels having a minimum of 0.2 square kilometers of watershed, and storm drains 24 inches or greater in diameter. Where the entire creek flow is carried by a culvert buried in a former creek bed, only the culvert symbol (red dots) is shown on the map. Accuracy: Every effort was made to produce an accurate map. However, no map is completely accurate and all lines should be considered approximate. There is error in the historical maps, in the transfer of historical information to modern maps, and in the modern maps themselves. In addition, natural shifting of creeks and fluctuations in the extent of marshes and lagoons can be expected both before and after the historical maps or photos were made. Marsh and lagoon boundaries are considered accurate to within 1000 feet on either side of the line shown. Former creek locations are accurate to within 200 feet, or if dashed, to within 500 feet on either side of the line shown. Present-day creek and storm drain locations are considered accurate to within 100 feet on either side of the line shown. Financial support was provided by the California Bay-Delta Program (CALFED), San Francisquito Watershed Council - a project of Acterra, Silicon Valley Pollution Prevention Center, cities of Mountain View and Palo Alto, Oakland Museum of California, William Lettis & Associates, Inc., and Santa Clara Valley Water District. Technical assistance was provided by Atherton, East Palo Alto, Los Altos, Los Altos Hills, Menlo Park, Mountain View, Palo Alto, Portola Valley, Redwood City, San Carlos, Sunnyvale, Redwood City, and Woodside, and by the Santa Clara Valley Water District, Santa Clara County, San Mateo County, San Francisquito Creek Joint Powers Authority, San Francisquito Watershed Council - a project of Acterra, NASA, USGS, Stanford University, and Trish Mulvey. Christopher Richard provided field and editorial assistance. The map was drafted by Jason Holmberg. Fair Use and Citation Policy: This map is not copyrighted, and we encourage the general public to use the information openly and appropriately. Proper citation for this map is: Sowers, J.M., 2004, Creek & Watershed Map of Palo Alto & Vicinity: Oakland Museum of California, Oakland, CA, 1:26,500 scale. Published by Oakland Museum of California 1000 Oak Street, Oakland, CA 94607 www.museumca.org/creeks • 2004 • Bay or slough Creeks Former creeks, buried or drained - dashed where channel was ephemeral Underground culverts & storm drains Engineered channels Flood control channels ( > – 100 feet wide) Water spreads over the ground Tidal marsh, circa 1850 Now water Now filled or drained land Tidal marsh formed after 1850 Artificial marsh, modern Fresh water marsh, modern Willow groves, circa 1850 Artificial bodies of water Present watersheds EXPLANATION