Colorado River Below Imperial Dam, Az-ca - 09429500
Scale
Continuous data
Colorado River Below Imperial Dam, Az-ca - 09429500
Subscribe to WaterAlert March 19, 2025 - March 26, 2025
Gage height, feet ADVM
14.95 ft - Mar 26, 2025 05:45:00 PM PDT
Important Data may be provisional
Value
Status
Time
Latest value
14.95 ft
Provisional
Mar 26, 2025
17:45:00 PM PDT
Selected
14.95 ft
Provisional
Mar 26, 2025
05:45:00 PM PDT
Compare
Add last year's data to graph
Median
No median data for this data type
Statistics are not available at this monitoring location for the data type: Gage height, ft
Available data
Select data types to graph from categories based on the way the data were collected.
Learn about the data collection categories Continuous data
3 data types available - data from 2018-11-05 to 2025-03-26
Continuous data are collected via automated sensors installed at a monitoring location.
Data type
Data date range
Gage height, feet ADVM
2018-11-05 - 2025-03-26
Discharge, cubic feet per second
2018-12-01 - 2025-03-26
Mean water velocity for discharge computation, feet per second
2018-12-01 - 2025-03-26
Daily data
2 data types available - data from 2018-11-29 to 2025-03-25
Field measurements - Coming soon
0 data types available
Discrete sample data
83 Observed properties (data types) available - with data from 1969-08-25 to 2025-01-08
462 Sampling activities
- Monitoring Location
- Active Monitoring Locations
5 km
3 mi
Leaflet USGS The National Map: National Boundaries Dataset, 3DEP Elevation Program, Geographic Names Information System, National Hydrography Dataset, National Land Cover Database, National Structures Dataset, and National Transportation Dataset; USGS Global Ecosystems; U.S. Census Bureau TIGER/Line data; USFS Road data; Natural Earth Data; U.S. Department of State HIU; NOAA National Centers for Environmental Information. Data refreshed February, 2025.
Interested in understanding how to access the upstream/downstream data? Learn about the Network-Linked Data Index (NLDI)
| USGS Parameter Group | Data Types | Start Date | End Date |
|---|---|---|---|
| Information | Water-quality | 2021-10-13 | 2024-01-23 |
| Inorganics, Major, Metals | Water-quality | 1969-08-25 | 1971-09-08 |
| Inorganics, Major, Non-metals | Water-quality | 1969-08-25 | 1971-09-23 |
| Inorganics, Minor, Non-metals | Water-quality | 1971-01-18 | 1971-09-08 |
| Inorganics, Minor, metals | Water-quality | 1971-01-18 | 1971-09-08 |
| Microbiological | Water-quality | 1970-10-27 | 1971-09-21 |
| Nutrient | Water-quality | 1971-01-18 | 1971-09-08 |
| Organics, pesticide | Water-quality | 1970-10-27 | 1971-09-07 |
| Physical | Daily Values, Unit Values, Water-quality | 1969-08-25 | 2025-03-26 |
| Radiochemistry | Water-quality | 1971-07-26 | 1971-07-26 |
| Sediment | Daily Values, Water-quality | 2021-10-13 | 2025-03-25 |
| n/a | Peak Measurements | 1960-12-07 | 2016-04-10 |
| n/a | Site Visits | 1985-09-19 | 2025-03-10 |
| n/a | USGS Annual Water Data Reports Site | 2006-01-01 | 2024-01-01 |
Monitoring location 09429500 is associated with a Stream in Imperial County, California. Current conditions of Discharge, Gage height, and Mean water velocity for discharge computation are available. Water data back to 1960 are available online.
The elevation of this site is 133.24 feet above NAVD 1988. To convert gage height to stream water level elevation above NAVD 1988, add 133.24 feet to gage height values.
| Metadata Element | Location Metadata | Metadata Code |
|---|---|---|
|
Agency
|
U.S. Geological Survey | USGS |
|
Site identification number
|
09429500 | n/a |
|
Site name
|
COLORADO RIVER BELOW IMPERIAL DAM, AZ-CA | n/a |
|
Site type
|
Stream
|
ST |
| DMS latitude | 325203.3 | n/a |
| DMS longitude | 1142819.6 | n/a |
| Decimal latitude | 32.86758333 | n/a |
| Decimal longitude | -114.472111 | n/a |
|
Latitude-longitude method
|
Mapping grade GPS unit (handheld accuracy range 12 to 40 ft) | G |
|
Latitude-longitude accuracy
|
Accurate to + or - 10 sec. | T |
|
Latitude-longitude datum
|
North American Datum of 1983 | NAD83 |
| Decimal Latitude-longitude datum | North American Datum of 1983 | NAD83 |
|
District
|
Arizona | 04 |
|
State
|
California | 06 |
|
County
|
Imperial County | 025 |
| Country | US | n/a |
| Land net location description | NWSWS09 T15S R24E S | n/a |
| Name of location map | n/a | |
| Scale of location map | n/a | |
| Altitude of Gage/land surface | 133.24 feet | n/a |
| Method altitude determined | GNSS2 - Level 2 Quality Survey Grade Global Navigation Satellite System | X |
| Altitude accuracy | .22 feet | n/a |
|
Altitude datum
|
North American Vertical Datum of 1988 | NAVD88 |
|
Subbasin hydrologic unit
|
Lower Colorado | 15030107 |
|
Drainage basin
|
n/a | |
|
Topographic setting
|
Stream channel
|
C |
| Flags for instruments at site | NYNNYNNNNNYNNNNNNNNNNNNNNNNNNN | n/a |
|
Date of first construction
|
n/a | |
| Date site established or inventoried | n/a | |
|
Drainage area
|
188500. square miles | n/a |
| Contributing drainage area | 184500. square miles | n/a |
| Time Zone abbreviation | MST | n/a |
|
Site honors Daylight Saving Time
|
N | n/a |
|
Data reliability
|
n/a | |
| Data-other GW files | NNNNNNNN | n/a |
| National aquifer | n/a | |
| Local aquifer | n/a | |
|
Local aquifer type
|
n/a | |
| Well depth | n/a | |
|
Hole depth
|
n/a | |
| Source of depth data | n/a | |
| Project number | n/a |
