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USGS Hydrologic Instrumentation Facility

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picture of two Hydrologic Instrumentation Facility engineers assembling a cable car that is used for making streamflow discharge measurements

Water Data for the Nation

Water Programs



USGS Water Science Centers are located in each state.

There is a USGS Water Science Center office in each State. Washington Oregon California Idaho Nevada Montana Wyoming Utah Colorado Arizona New Mexico North Dakota South Dakota Nebraska Kansas Oklahoma Texas Minnesota Iowa Missouri Arkansas Louisiana Wisconsin Illinois Mississippi Michigan Indiana Ohio Kentucky Tennessee Alabama Pennsylvania West Virginia Georgia Florida Caribbean Alaska Hawaii New York Vermont New Hampshire Maine Massachusetts South Carolina North Carolina Rhode Island Virginia Connecticut New Jersey Maryland-Delaware-D.C.

Programs at the Hydrologic Instrumentation Facility

Project: Plastic AA Bucket Wheels

picture of plastic bucketwheel designed for use with the Type AA USGS velocity meter

Plastic Bucketwheel

The plastic bucket wheel is designed to be a direct replacement for the chrome plated metal wheels currently in use on the Type AA USGS velocity meter. The goals for the plastic bucket wheel are to reduce costs and to produce a more uniform bucket wheel than is currently possible with the metal version. The current design employs a plastic frame and individual cups that are made from the same mold cavity. Six cups are fixed to the frame to produce a complete bucketwheel. Being made of plastic, the bucket wheel is lighter taking less torque to begin rotation. When used with a magnetic switch head assembly, the plastic bucket wheel can very accurately measure slow velocities.

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Page Last Modified: Tuesday, 22-Nov-2016 16:46:26 EST