Skip to main content

Important for you to know:

  • New to WDFN: see current water conditions throughout the state using the new State Pages. Filter by continuous data type and age of data, view latest values, and link to graphing options to explore the data further. To learn more, read our announcement on the Water Data for the Nation blog.
Important Legacy real-time page

USGS Parameter Group Data Types Start Date End Date
Physical Unit Values 2016-10-01 2024-11-08
Water Data for the Nation inventory

Monitoring location 09429495 is associated with a Lake, Reservoir, Impoundment in Yuma County, Arizona. Current conditions of Gage height are available. Water data back to 2016 are available online.

The elevation of this site is 184.29 feet above NAVD 1988. To convert gage height to stream water level elevation above NAVD 1988, add 184.29 feet to gage height values.
Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
09429495 n/a
Site name
IMPERIAL RESERVOIR AT IMPERIAL DAM, AZ-CA n/a
Site type
Lake, Reservoir, Impoundment
LK
DMS latitude 325258.4 n/a
DMS longitude 1142746.1 n/a
Decimal latitude 32.88288889 n/a
Decimal longitude -114.4628056 n/a
Latitude-longitude method
Interpolated from Digital MAP. N
Latitude-longitude accuracy
Accurate to + or - .1 sec (Differentially-Corrected GPS). 1
Latitude-longitude datum
North American Datum of 1983 NAD83
Decimal Latitude-longitude datum North American Datum of 1983 NAD83
District
Arizona 04
State
Arizona 04
County
Yuma County 027
Country US n/a
Land net location description SENES25 T06S R22W G n/a
Name of location map IMPERIAL RESERVOIR, n/a
Scale of location map 24000 n/a
Altitude of Gage/land surface 184.29 feet n/a
Method altitude determined GNSS2 - Level 2 Quality Survey Grade Global Navigation Satellite System X
Altitude accuracy .05 feet n/a
Altitude datum
North American Vertical Datum of 1988 NAVD88
Subbasin hydrologic unit
15030104
Drainage basin
n/a
Topographic setting
Stream channel
C
Flags for instruments at site YNNNYNNNNNYNNNNNNNNNNNNNNNNNNN n/a
Date of first construction
19900829 n/a
Date site established or inventoried 20150101 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
Data have been checked by the reporting agency. C
Data-other GW files 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

Operated in cooperation with:

logo for USGS - Federal Priority Streamgages
USGS - Federal Priority Streamgages