Reservoir/River Data

Readings for Tuesday, July 7, 2026

Lake & Reservoir Elevations

Location Today (Feet above Sea Level) 1 Week Ago 1 Month Ago 1 Year Ago
Lake McConaughy 3,215.9 = 614,200ac-ft (35.2% capacity) 3,217.5 3,223.3 3,230.3
Jeffrey Lake 2,758.8 2,757.4 2,758.5 2,757.8
Johnson Lake 2,618.5 2,618.2 2,618.0 2,618.5
Elwood Reservoir 2,597.4 2,598.7 2,600.4 2,600.1

River & Canal Flows

Station Today (Cubic Feet per Second) 1 Week Ago 1 Month Ago 1 Year Ago
Inflows to McConaughy 199 222 109 344
Total Outflows from McConaughy 2,677 1,606 3,010 1,527
North Platte at Keystone 867 156 1,190 217
Keystone Diversion 1,810 1,450 1,820 1,310
North Platte at North Platte 676 444 1,280 373
South Platte at Roscoe 16.1 6.46 12.9 65.9
South Platte at North Platte 113 140 122 222
Supply Canal Diversion 1,926 1,348 2,267 1,677
Platte at Overton 1,940 1,470 2,150 1,610
Platte at Kearney 241 921 2040 800
Platte at Grand Island 193 1070 1880 1020

Charts

McConaughyInflows.png
McConaughy Historical Inflows
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McConaughy One Month
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McConaughy One Year
McConaughySince1941.png
Lake McConaughy Historical
JohnsonOneMonth.png
Johnson Lake One Month
Johnson5Years.png
Johnson Lake Historical
ElwoodWaterYear.png
Elwood Reservoir One Year
Elwood5Years.png
Elwood Reservoir Historical
JeffreyOneMonth.png
Jeffrey Lake One Month
Jeffrey5Years.png
Jeffrey Lake Historical

Flows and elevations are provisional. Readings from measuring equipment may be affected during icing conditions.

Colors of Water Tool

Lake McConaughy Weekly Temperature Readings

 Data is acquired from Nebraska DNR and USGS web services and CNPPID historical readings.