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	2025-09-28
00065 Gage height	2007-10-01	2025-09-28

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Summary of all available data for this site
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See this graph on the Monitoring Location Pages

**Daily discharge, cubic feet per second -- statistics for Sep 28 based on 96 water years of record more**
Min (1920)	25th percen- tile	Median	Most Recent Instantaneous Value Sep 28	75th percen- tile	Mean	Max (1925)
23.0	57	83	128	130	153	2560

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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: 2025-09-28 23:07:15 EDT
1.53 1.23 vaww01