Los Angeles R a Sepulveda Dam CA - 11092450
Scale
Continuous data
Los Angeles R a Sepulveda Dam CA - 11092450
Subscribe to WaterAlert March 30, 2025 - April 6, 2025
Gage height, feet [Published]
0.77 ft - Apr 06, 2025 05:00:00 AM PDT
Important Data may be provisional
Value
Status
Time
Latest value
0.77 ft
Provisional
Apr 06, 2025
05:00:00 AM PDT
Selected
0.77 ft
Provisional
Apr 06, 2025
05:00:00 AM 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
10 data types available - data from 2002-10-01 to 2025-04-06
Continuous data are collected via automated sensors installed at a monitoring location.
Data type
Data date range
Gage height, feet [Published]
2007-10-01 - 2025-04-06
Discharge, cubic feet per second
2002-10-01 - 2025-04-06
Dissolved oxygen, water, unfiltered, milligrams per liter
2022-04-20 - 2024-03-27
pH, water, unfiltered, field, standard units
2022-04-20 - 2024-03-27
Phycocyanin fluorescence (fPC), water, in situ, concentration estimated from reference material, micrograms per liter as phycocyanin
2022-04-19 - 2023-09-05
Phycocyanin relative fluorescence (fPC), water, in situ, relative fluorescence units (RFU)
2022-04-19 - 2023-09-05
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius
2022-04-20 - 2024-03-27
Stream water level elevation above NAVD 1988, in feet
2022-04-06 - 2025-04-06
Temperature, water, degrees Celsius
2022-04-20 - 2024-03-27
Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)
2022-04-20 - 2024-03-27
Daily data
1 data types available - data from 1931-10-01 to 2025-04-05
Field measurements - Coming soon
0 data types available
Discrete sample data
92 Observed properties (data types) available - with data from 2021-03-02 to 2023-11-18
27 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 | 2021-03-02 | 2023-11-18 |
| Inorganics, Major, Metals | Water-quality | 2021-03-02 | 2021-03-02 |
| Inorganics, Major, Non-metals | Unit Values, Water-quality | 2021-03-02 | 2024-03-27 |
| Inorganics, Minor, Non-metals | Water-quality | 2021-03-02 | 2021-03-02 |
| Inorganics, Minor, metals | Water-quality | 2021-03-02 | 2021-03-02 |
| Nutrient | Water-quality | 2021-03-02 | 2021-03-02 |
| Organics, other | Water-quality | 2021-03-02 | 2021-03-02 |
| Physical | Daily Values, Unit Values, Water-quality | 1931-10-01 | 2025-04-06 |
| Radiochemistry | Water-quality | 2021-03-02 | 2021-03-02 |
| Sediment | Water-quality | 2021-04-22 | 2023-03-22 |
| n/a | Peak Measurements | 1930-03-15 | 2024-02-05 |
| n/a | Site Visits | 1956-01-26 | 2025-04-02 |
| n/a | USGS Annual Water Data Reports Site | 2005-01-01 | 2024-01-01 |
Monitoring location 11092450 is associated with a Stream in Los Angeles County, California. Current conditions of Discharge, Gage height, and Stream water level elevation above NAVD 1988 are available. Water data back to 1930 are available online.
| Metadata Element | Location Metadata | Metadata Code |
|---|---|---|
|
Agency
|
U.S. Geological Survey | USGS |
|
Site identification number
|
11092450 | n/a |
|
Site name
|
LOS ANGELES R A SEPULVEDA DAM CA | n/a |
|
Site type
|
Stream
|
ST |
| DMS latitude | 340942 | n/a |
| DMS longitude | 1182757 | n/a |
| Decimal latitude | 34.16167247 | n/a |
| Decimal longitude | -118.466749 | n/a |
|
Latitude-longitude method
|
Interpolated from MAP. | M |
|
Latitude-longitude accuracy
|
Accurate to + or - 5 sec. | F |
|
Latitude-longitude datum
|
North American Datum of 1927 | NAD27 |
| Decimal Latitude-longitude datum | North American Datum of 1983 | NAD83 |
|
District
|
California | 06 |
|
State
|
California | 06 |
|
County
|
Los Angeles County | 037 |
| Country | US | n/a |
| Land net location description | S00 T01N R15W S | n/a |
| Name of location map | VAN NUYS, CA | n/a |
| Scale of location map | 24000 | n/a |
| Altitude of Gage/land surface | 655.13 feet | n/a |
| Method altitude determined | GNSS2 - Level 2 Quality Survey Grade Global Navigation Satellite System | X |
| Altitude accuracy | .16 feet | n/a |
|
Altitude datum
|
North American Vertical Datum of 1988 | NAVD88 |
|
Subbasin hydrologic unit
|
Los Angeles | 18070105 |
|
Drainage basin
|
n/a | |
|
Topographic setting
|
n/a | |
| Flags for instruments at site | NNNNYNNNNNYNNNNNNNNNNNNNNNNNNN | n/a |
|
Date of first construction
|
n/a | |
| Date site established or inventoried | n/a | |
|
Drainage area
|
158 square miles | n/a |
| Contributing drainage area | n/a | |
| Time Zone abbreviation | PST | n/a |
|
Site honors Daylight Saving Time
|
Y | 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 | 470600113 | n/a |
