USGS Current Conditions for USGS 07021000 Castor River at Zalma, MO x

Boating safety tips are available from the U.S. Coast Guard.

NOTE: During cold periods, gage height and streamflow information may be adversely affected by ice.

PROVISIONAL DATA SUBJECT TO REVISION

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Station operated in cooperation with USDA–Natural Resources Conservation Service

Current stage-discharge rating

This station managed by the Rolla Field Office.

Available Parameters	Available Period
All 2 Available Parameters for this site
00060 Discharge	2001-01-10	2026-02-23
00065 Gage height	2007-10-01	2026-02-23

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Summary of all available data for this site
Instantaneous-data availability statement

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Note

See this graph on the Monitoring Location Pages

**Daily discharge, cubic feet per second -- statistics for Feb 23 based on 97 water years of record more**
Min (1934)	25th percen- tile	Most Recent Instantaneous Value Feb 23	Median	75th percen- tile	Mean	Max (2018)
90.0	283	300	426	802	850	5240

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U.S. Department of the Interior | U.S. Geological Survey
Title: USGS Current Conditions for Missouri
URL: https://waterdata.usgs.gov/mo/nwis/uv?

Page Contact Information: Missouri Water Data Support Team
Page Last Modified: 2026-02-23 15:54:09 EST
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