View In:
ArcGIS JavaScript
ArcGIS Online Map Viewer
ArcGIS Earth
Service Description: This is an official DWR Image Service, which meets all appropriate requirements of the DWR Spatial Data Standards, specifically the DWR Spatial Data Standard version 3.6, dated September 27, 2023. This archived dataset was developed by DWR for its internal use. This data is not suitable for property boundary determination, construction layout, legal descriptions, or any other professional land surveying or legal purpose. The data represents estimates of past conditions and measurements, may contain errors, and is no longer representative of current conditions. Neither the State of California, its agents, nor its employees, make any warranty, representation or guarantee, express or implied; nor assumes any liability or responsibility for the accuracy, completeness, or usefulness of this data.This Image Service was published on 02/24/2026 by Bianca Pertl of the DWR Division of Engineering, who may be contacted at 916-757-3593, or at bianca.pertl@water.ca.gov. Comments, problems, improvements, updates, or suggestions should be forwarded to the official DWR point of contact as available and appropriate.The California Department of Water Resources (CA-DWR), North Central Region Office (NCRO), Bathymetry Data Collection Section, conducted a bathymetric survey of Middle River from the conlfuence with Old River to Union Point. The main purpose of the data is to improve knowledge about water circulation and conveyance in the South Delta. The survey took place between March7th and March 13th, 2017 using multibeam echo sounder technology. The data were positionally corrected using Inertially Aided Post-Processed Kinematic (IAPPK) procedures. • Field Dates: March 7, March 8, March 9, March 13, 2017 • Survey Type: Multibeam • Data Density: 1 foot grid • Horizontal Datum: North American Datum of 1983 (NAD83) California Coordinate System (CCS83) State Plane Zone 3, US feet • Vertical Datum: North American Vertical Datum of 1988 (NAVD88) geoid 12A, US feet • Processing Epoch: 2017.197; CSRC Datum Epoch: 2010 • Related Datasets: Middle River 2011, Victoria Canal 2011, Old River 2013, Middle River South 2022, Old River @ Union Island 2022, Victoria Canal 2022, Paradise Cut 2022, Tom Paine Slough 2022, Old River 2022, Middle River South 2023, Middle River @ Undine 2024 • Involved Staff: Data collected and processed by NCRO Bathymetry and Hydrography sections • Survey Responsible Charge: Jacob Wright, PLS (CA 8717) Please see associated survey report for full control and QC check details. For complete metadata make sure the viewer (ArcGIS or other software) is set to view FGDC metadata.
Name: Bathymetry/Bathy_NCRO_20170313_MiddlerRiver_at_OldRiver
Description:
Single Fused Map Cache: false
Extent:
XMin: 6276035.947888082
YMin: 2122656.2020239867
XMax: 6309553.947888082
YMax: 2148993.2020239867
Spatial Reference: 0
(0)
LatestVCSWkid(0)
Initial Extent:
XMin: 6276035.947888082
YMin: 2122656.2020239867
XMax: 6309553.947888082
YMax: 2148993.2020239867
Spatial Reference: 0
(0)
LatestVCSWkid(0)
Full Extent:
XMin: 6276035.947888082
YMin: 2122656.2020239867
XMax: 6309553.947888082
YMax: 2148993.2020239867
Spatial Reference: 0
(0)
LatestVCSWkid(0)
Pixel Size X: 1.0
Pixel Size Y: 1.0
Band Count: 1
Pixel Type: F32
RasterFunction Infos: {"rasterFunctionInfos": [
{
"name": "DW_SacRioVista_CASP2_ColorRamp",
"description": "color ramp 2",
"help": ""
},
{
"name": "None",
"description": "Make a Raster or Raster Dataset into a Function Raster Dataset.",
"help": ""
}
]}
Mensuration Capabilities: Basic
Inspection Capabilities:
Has Histograms: true
Has Colormap: false
Has Multi Dimensions : false
Rendering Rule:
Min Scale: 0
Max Scale: 0
Copyright Text: California Department of Water Resources, Division of Regional Assistance, North Central Region Office, Hydrography and Technical Support.
Service Data Type: esriImageServiceDataTypeGeneric
Min Values: -20.85000038147
Max Values: 7.4099998474121
Mean Values: -1.5496128226585
Standard Deviation Values: 3.0527631784438
Object ID Field:
Fields:
None
Default Mosaic Method: Center
Allowed Mosaic Methods:
SortField:
SortValue: null
Mosaic Operator: First
Default Compression Quality: 75
Default Resampling Method: Bilinear
Max Record Count: null
Max Image Height: 4100
Max Image Width: 15000
Max Download Image Count: null
Max Mosaic Image Count: null
Allow Raster Function: true
Allow Copy: true
Allow Analysis: true
Allow Compute TiePoints: false
Supports Statistics: false
Supports Advanced Queries: false
Use StandardizedQueries: true
Raster Type Infos:
Name: Raster Dataset
Description: Supports all ArcGIS Raster Datasets
Help:
Has Raster Attribute Table: false
Edit Fields Info: null
Ownership Based AccessControl For Rasters: null
Child Resources:
Info
Histograms
Statistics
Key Properties
Legend
Raster Function Infos
Supported Operations:
Export Image
Identify
Measure
Compute Histograms
Compute Statistics Histograms
Get Samples
Compute Class Statistics
Query Boundary
Compute Pixel Location
Compute Angles
Validate
Project