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This is the "Water Nerd" page! This page contains all kinds of information about today's water levels compared to historic
levels, that only data nerds will appreciate.
Pueblo Reservoir has a maximum capacity of 357700 acre-feet at an elevation of 4898.7 feet above see level. However federal
rules state that the reservoir can't hold more than 257000 acre-feet after April 15 to ensure the dam can contain a flood.
Detailed Pueblo Reservoir Status
February 26 2026 Water Level
Today's elevation is 4873.69 feet above sea level, 217037 acre-feet, 60.79% capacity. This is...
0.36 inches higher and 122 acre-feet more than yesterday. The average increase for this time of year is 0.11 inches. 2.40 inches higher and 808 acre-feet more than last week. 24.00 inches higher and 7990 acre-feet more than last month. 105.72 inches lower and 37946 acre-feet less than than last year.
For 2026...
The lake reached its peak of 4873.6 ft elevation and a volume of 217037.0 acre-feet on 2/26/2026 Today's level is -1.08 inches lower and 0 less acre-feet than the high.
The lake reached its low of 4870.3 ft elevation and a volume of 203669.0 acre-feet on 1/1/2026. Today's level is 40.68 inches higher and 13368 more acre-feet than the low.
The historic average elevation of the lake for this day is 4870.62 ft. Today's elevation is 3.07 feet higher than the average. The historic average volume of the lake for this day is 217445.76 acre-feet. Today's volume is 408.76000000001 acre-feet less than the historic average.
Yesterday Water Flow Data
Yesterday's avereage flow for the Arkansas River at Portland, CO (above and into Pueblo Reservoir) was 231 cubic feet per second. The historic average Arkansas River flow at Portland, CO for yesterday is 419.2927 cubic feet per second. Yesterday's flow is 188.2927 cubic feet per second less than the historic average.
Yesterday's average Arkansas River flow at Pueblo Reservoir's dam was 74 cubic feet per second. The historic average Arkansas River flow at Pueblo Reservoir's dam for yesterday is 261.3171 cubic feet per second. Yesterday's flow is 187.3171 cubic feet per second less than the historic average.