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.

USGS 07021000 Castor River at Zalma, MO

PROVISIONAL DATA SUBJECT TO REVISION

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This station managed by the Rolla Field Office.

Available Parameters Available Period
  
2001-01-10  2025-12-24
2007-10-01  2025-12-24







 (7)
 
  -- or --

 

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

Discharge, cubic feet per second
Most recent instantaneous value: 177 12-24-2025   12:45 CST
Graph of Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for Dec 24 based on 96 water years of record more
Min
(1945)		 Most Recent
Instantaneous
Value Dec 24		 25th
percen-
tile		 Median 75th
percen-
tile		 Mean Max
(1983)
62.0 177 179 283 605 697 8430

Gage height, feet
Most recent instantaneous value: 1.92 12-24-2025   12:45 CST
Graph of Gage height, feet

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