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Available data

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Continuous data

2 data types available - data from 2002-07-11 to 2026-08-07

Daily data

3 data types available - data from 1969-08-01 to 2026-08-05

Field measurements

2 data types available - data from 1969-08-06 to 2026-08-04

Discrete sample data

525 Observed properties (data types) available - with data from 1969-10-09 to 2017-04-24

485 Sampling activities

Peak measurements

2 data types available - with data from 1964-06-26 to 2025-05-06

Statistical tables for select daily data types

3 data types available - data from 1969-08-01 to 2026-08-05

Important information about this monitoring location

Datum or elevation of gage has been determined to be 1249.45 ft above NAVD of 1988. To determine water-surface elevation values in NAVD of 1988 add 1249.45 ft to water-level or gage height values.

Location details and information

Available location images

Lv Wash Blw Lake Las Vegas nr Boulder City

Las Vegas Wash Below Lake Las Vegas near Boulder City NV

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Operated in cooperation with:

Southern Nevada Water Authority

USGS - Cooperative Matching Funds

Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	09419800	n/a
Location name	LV WASH BLW LAKE LAS VEGAS NR BOULDER CITY, NV	n/a
Site type	Stream	ST
Decimal latitude (WGS84)	36.1221981576396	n/a
Decimal longitude (WGS84)	-114.904992087494	n/a
Latitude-longitude method	Interpolated from map	M
Latitude-longitude accuracy	Accurate to + or - 1 sec.	S
District	Nevada	32
State	Nevada	32
County	Clark County	003
Country	United States of America	n/a
Altitude of gage/land surface	1249.45 feet	n/a
Method altitude determined	GNSS2 - Level 2 Quality Survey Grade Global Navigation Satellite System	X
Altitude accuracy	0.05 feet	n/a
Altitude datum	North American Vertical Datum of 1988	NAVD88
Subbasin hydrologic unit	Las Vegas Wash	15010015
Drainage basin		n/a
Date of first construction		n/a
Drainage area	2193 square miles	n/a
Contributing drainage area	1586 square miles	n/a
Time zone abbreviation	PST	n/a
Site honors Daylight Saving Time	Y	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

Monitoring location LV Wash Blw Lake Las Vegas NR Boulder City, NV - USGS-09419800