USGS 13127000 BIG LOST RIVER BL MACKAY RES NR MACKAY ID

PROVISIONAL DATA SUBJECT TO REVISION

Click to hidestation-specific text
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

> Rating Information

> NWS River Forecasts

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  2026-08-10
2007-10-01  2026-08-10







 (7)
 
  -- or --

 

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

Discharge, cubic feet per second
Most recent instantaneous value: 430 08-10-2026   18:45 MDT
Graph of Discharge, cubic feet per second

Add up to 2 more sites and replot for "Discharge, cubic feet per second"

?
 
Note



Create presentation-quality / stand-alone graph.   Subscribe to
?
WaterAlert      

See this graph on the Monitoring Location Pages

Share this graph |

Daily discharge, cubic feet per second -- statistics for Aug 10 based on 113 water years of record more
Min
(1934)		 25th
percen-
tile		 Median Most Recent
Instantaneous
Value Aug 10		 Mean 75th
percen-
tile		 Max
(1984)
112 268 417 430 442 602 974

Gage height, feet
Most recent instantaneous value: 2.62 08-10-2026   18:45 MDT
Graph of Gage height, feet

Add up to 2 more sites and replot for "Gage height, feet"

?
 
Note



Create presentation-quality / stand-alone graph.   Subscribe to
?
WaterAlert      

See this graph on the Monitoring Location Pages

Share this graph |