AGENCY: Salt Lake City (Utah). Water Supply and Waterworks

SERIES: 8896
TITLE: Hydrologist's field notes
DATES: 1900-2015.
ARRANGEMENT: Chronological

DESCRIPTION: These are the hydrologists' field notes from gauge stations on Millcreek, Parleys Creek, Little Cottonwood Creek, City Creek, Emigration Tunnel, Twin Lake, Lake Mary, Upper and Lower Boundary Springs, Lambs Fork Creek, and Dell Fork Creek. They are used with water treatment plant figures to give total flow of streams to create the field engineer reports. These notes include temperature of water, current metering flows, condition of stream, turbidity of stream and shifts on streams caused by debris during spring run off, are established and recorded.

RETENTION

DISPOSITION

RETENTION AND DISPOSITION AUTHORIZATION

These records are in Archives' permanent custody.

APPROVED: 03/1987

FORMAT MANAGEMENT

Paper: Retain in Office for 50 years and then microfilm and transfer to State Archives with authority to weed.

Microfilm master: Retain in Office permanently.

APPRAISAL

This retention is based upon the administrative needs of the bureau. These files are used regularly for court cases and separate engineering projects. Bureau staff explained it was not unusual to use files for over forty years.

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