Data Series 282

U.S. GEOLOGICAL SURVEY
Data Series 282

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Table 1. Optical sensor depths (in feet) below mean lower low water (MLLW), Suisun Bay, San Pablo Bay, and Central and South San Francisco Bays, California, water year 2005.

[For definition of MLLW, see Conversion Factors, Datum, Abbreviations, and Acronyms entry at front of this report]

Site Station No. Latitude Longitude Sensor
depth		 Depth below
MLLW1		 Water depth
at MLLW
Mallard Island 11185185 38°02´34˝ 121°55´09˝ Near-surface 3.3 25
Near-bottom 20
Benicia Bridge 11455780 38°02´42˝ 122°07´32˝ Near-surface 9 80
Near-bottom 61
Carquinez Bridge 11455820 38°03´41˝ 122°13´53˝ Mid-depth 40 88
Near-bottom 83
Mare Island Causeway 11458370 38°06´40˝ 122°16´25˝ Mid-depth 3 30
Near-bottom 25
Channel Marker 1 380240122255701 38°02´40˝ 122°25´57˝ Mid-depth 2 8
Point San Pablo 11181360 37°07´53˝ 122°42´42˝ Mid-depth 8 26
Near-bottom 23
Alcatraz Island 374938122251801 37°49´38˝ 122°25´18˝ Mid-depth 6 16
San Mateo Bridge 11162765 37°35´04˝ 122°14´59˝ Mid-depth 19 48
Near-bottom 40
Dumbarton Bridge 373015122071000 37°30´15˝ 122°07´10˝ Mid-depth 20 45
Near-bottom 41
Channel Marker 17 372844122043800 37°28´44˝ 122°04´38˝ Mid-depth 11 25
Near-bottom 21

1Depth below water surface.

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