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Watershed Existing Conditions StudyCreeks

In 2004, Questa Engineering was hired to prepare a Watershed Existing Conditions Technical Study for the Arroyo Burro, Mission and Sycamore Creek watersheds. 

The purpose of the existing conditions study is to integrate information on watershed characteristics such as natural resources, creek hydrology, water quality, cultural resources, urban infrastructure management, land use, and jurisdictional policies. The study also analyzes how historical activities, including land development, have contributed to current conditions, and identifies any critical information gaps.

The study was expanded in 2005 to include the Laguna Watershed.

See List of Figures Below (Please note there is no Section 2):

Section 1.0 - Introduction

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Fig. 1-1: Study Area Locator Map
File Size: 4.32 MB     Last Modified: 3/25/2013 4:26:34 PM
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Fig. 1-2: Political Jurisdiction
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Fig. 1-3: Subwatersheds and Management Reaches
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Fig. 1-4: Creek Names and Reaches
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Fig. 1-5: Watershed and Subwatershed Names
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Section 3.0 - Land Use, Cultural Resources, and Infrastructure

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Fig. 3-1: Land Use and Land Cover
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Fig. 3-2: Neighborhoods
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Fig. 3-3: Impervious Surfaces
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Fig. 3-4: Population Density
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Fig. 3-5: City and County Zoning
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Fig. 3-6: City and County Parks
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Fig. 3-7: Paved Road Density
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Section 4.0 - Citywide Watershed Conditions

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Fig. 4-01: Geology
File Size: 1.18 MB     Last Modified: 5/1/2015 10:32:25 AM
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Fig. 4-01: Geology Legend
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Fig. 4-02: Soils
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Fig. 4-02: Soils Legend
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Fig. 4-03: Landslides
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Fig. 4-04: Landforms
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Fig. 4-05: Sedimentation
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Fig. 4-06: Vertical Drops
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Fig. 4-07: Bed Mobility Potential
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Fig. 4-08: Bank Erosion
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Fig. 4-09: Bank Modification
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Fig. 4-10: FEMA 100-Year Floodplain
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Fig. 4-11: Groundwater Basins
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Fig. 4-12: Terrestrial Vegetation
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Fig. 4-13: Special-Status Species Map
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Section 5.0 - Arroyo Burro Creek Watershed Existing Conditions

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Fig. 5-01: Arroyo Burro Watershed
File Size: 1.36 MB     Last Modified: 5/1/2015 10:36:01 AM
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Fig. 5-02: Arroyo Burro Land Use/Zoning
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Fig. 5-3: Comparison of Profiles, Arroyo Burro Creek
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Fig. 5-04: Sedimentation, Arroyo Burro Creek
File Size: 1.31 MB     Last Modified: 5/1/2015 10:36:22 AM
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Fig. 5-05: Vertical Drops, Arroyo Burro Creek
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Fig. 5-06: Bed Mobility, Arroyo Burro Creek
File Size: 1.31 MB     Last Modified: 5/1/2015 10:36:59 AM
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Fig. 5-07: Bank Erosion, Arroyo Burro Creek
File Size: 1.32 MB     Last Modified: 5/1/2015 10:37:09 AM
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Fig. 5-08: Bank Modifications, Arroyo Burro Creek
File Size: 1.32 MB     Last Modified: 5/1/2015 10:37:20 AM
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Fig. 5-09: FEMA Flood Area, Arroyo Burro Creek
File Size: 1.4 MB     Last Modified: 5/1/2015 10:37:31 AM
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Fig. 5-10: Arroyo Burro Riparian Vegetation
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Fig. 5-11: Arroyo Burro Invasive Species
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Fig. 5-12: Arroyo Burro Fishery Habitat and Passage Barriers
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Section 6.0 - Mission Creek Watershed Existing Conditions

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Fig. 6-01: Mission Creek Watershed
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Fig. 6-02: Mission Creek Land Use/Zoning
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Fig. 6-03: Comparison of Profiles, Mission Creek
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Fig. 6-04: Sedimentation, Mission Creek
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Fig. 6-05: Vertical Drops, Mission Creek
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Fig. 6-06: Bed Mobility, Mission Creek
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Fig. 6-07: Bank Erosion, Mission Creek
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Fig. 6-08: Bank Modifications, Mission Creek
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Fig. 6-09: FEMA Flood Area, Mission Creek
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Fig. 6-10: Mission Creek Riparian Vegetation
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Fig. 6-11: Mission Creek Invasive Species
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Fig. 6-12: Mission Creek Fishery Habitat and Passage Barriers
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Section 7.0 - Sycamore Creek Watershed Existing Conditions

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Fig. 7-01: Sycamore Watershed
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Fig. 7-02: Sycamore Land Use/Zoning
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Fig. 7-03: Comparison of Profiles, Sycamore Creek
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Fig. 7-04: Sedimentation, Sycamore Creek
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Fig. 7-05: Vertical Drops, Sycamore Creek
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Fig. 7-06: Bed Mobility, Sycamore Creek
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Fig. 7-07: Bank Erosion, Sycamore Creek
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Fig. 7-08: Bank Modifications, Sycamore Creek
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Fig. 7-09: FEMA Flood Area, Sycamore Creek
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Fig. 7-10: Sycamore Creek Riparian Vegetation
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Fig. 7-11: Sycamore Creek Invasive Species
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Fig. 7-12: Sycamore Creek Fishery Habitat and Passage Barriers
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Section 8.0 - Laguna Creek Watershed Existing Conditions

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Fig. 8-1: Laguna Creek Watershed
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Fig. 8-2: Laguna Creek Land Use/Zoning
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Fig. 8-3: Bank Erosion, Laguna Creek
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Fig. 8-4: Bank Modifications, Laguna Creek
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Fig. 8-5: FEMA Flood Area, Laguna Creek
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Fig. 8-6: Laguna Creek Riparian Vegetation
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Fig. 8-7: Laguna Creek Invasive Species
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Fig. 8-8: Laguna Creek Fishery Habitat and Passage Barriers
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Last Updated: Feb 1, 2016