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Archives & Records Management

Office of the City Auditor

phone: 503-865-4100


1800 SW 6th Ave, Suite 550, Portland, OR 97201

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8818 Data Acquistions

8818-01   Hydra (Hydrological) Data

Series is used to monitor rainfall, pump station flows and sewer levels in the pipelines. Series is used by bureau sections in modeling and design. Records consist of computer data and tapes that contain instrumentation readings. Records may include hard copies of printouts, if records are retained for long periods of time.

Retention: 2 years
Record Copy? Yes