USGS 13127000 BIG LOST RIVER BL MACKAY RES NR MACKAY ID

PROVISIONAL DATA SUBJECT TO REVISION

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Big Lost River below Mackay Reservoir near Mackay, ID - USGS file photo USGS Idaho Water Science Center celebrating more than 100 Years of streamgage Records

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Station is operated in cooperation with the Idaho Department of Water Resources (IDWR), Big Lost Irrigation District, and U.S. Department of Energy.

This station managed by the Idaho Falls Field Office.

Available Parameters Available Period
  
1987-01-26  2025-12-15
2007-10-01  2025-12-15







 (7)
 
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Summary of all available data for this site
Instantaneous-data availability statement

Discharge, cubic feet per second
Most recent instantaneous value: 57.4 12-15-2025   01:45 MST
Graph of Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for Dec 15 based on 111 water years of record more
Min
(1934)		 Most Recent
Instantaneous
Value Dec 15		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(1984)
54.0 57.4 69 88 108 114 626