Water Resources

The Research Vessel Peterson Underway in San Francisco Bay.

For five days in March of 2021, the Glen Canyon Dam released a historically low flow of 4,000 cubic feet per second into the Colorado River. The USGS took this opportunity to collect data in an attempt to verify the measurements being reported by the Lee’s Ferry gaging station, which showed a discrepancy between the amount of water being released at the dam and the water

Lees Ferry streamgage and cableway downstream on the Colorado River, Arizona

A collection of video for use in products related to the USGS's streamgage at Lees Ferry. The USGS installed the Lees Ferry gauge 100 years ago, and the data collected since have become critical to monitoring water availability in the West.

Shot List:

• 0:00 Title slide
• 0:25 Lees Ferry streamgage wide shot and pan
• 0:33 Lees Ferry

No matter the season, groundwater science continues! In this March photo, Hydrologic Technician Jeremiah Pomerleau is making groundwater measurements and inspecting the USGS groundwater site monitoring equipment. Due to snowy terrain, Pomerleau used a utility terrain vehicle (UTV) to access the well, requiring a trek of about 15 miles from the main road. Data from this

The Region 1, April 2021 "People" Winner (by Jeremiah Pomerleau)

USGS scientists collect water quality samples in the San Francisco Bay. The samples have been collected at the same locations for >50 years and are part of one of the longest running datasets of its kind in the United States. Sampling extends from the South San Francisco Bay, south of the Dumbarton bridge, and ends in the Delta waterways in Rio Vista. Cruise days can

What do USGS Hydrologic Technicians do on the job? This video features two Hydrologic Technicians from the South Atlantic Water Science Center sharing how they inspect streamgages, which is an integral part of a Hydrologic Technician's work. This video was sponsored by the USGS Hydrologic Data Advisory Committee.
 

Modern equipment currently in use at the South Fork of the Ogden River streamgage, to include; an electronic data logger, pressure transducer and GOES radio. This streamgage has been monitoring water levels and flow since March 21, 1921, making it one of 25 centennial gauges in Utah. The equipment used to collect data has changed significantly over the past 100 years.

Description of the South Fork of the Ogden River streamgage included in USGS Water-Supply Paper 530 "Surface Water Supply of the United States, 1921, Part X.

100-Year Flood - It's All About Chance poster image