Reservoir/River Data

Readings for Thursday, May 14, 2026

Lake & Reservoir Elevations

Location Today (Feet above Sea Level) 1 Week Ago 1 Month Ago 1 Year Ago
Lake McConaughy 3,229.2 = 860,100ac-ft (49.3% capacity) 3,229.7 3,230.8 3,238.7
Jeffrey Lake 2,757.3 2,757.3 2,756.9 2,757.1
Johnson Lake 2,616.3 2,617.9 2,617.7 2,616.8
Elwood Reservoir 2,598.4 2,597.3 2,588.8 2,596.8

River & Canal Flows

Station Today (Cubic Feet per Second) 1 Week Ago 1 Month Ago 1 Year Ago
Inflows to McConaughy 166 244 410 365
Total Outflows from McConaughy 873 663 761 2,560
North Platte at Keystone 242 232 37 1,020
Keystone Diversion 631 431 724 1,540
North Platte at North Platte 233 319 292 257
South Platte at Roscoe 36.6 44.3 61.4 17.7
South Platte at North Platte 142 144 129 147
Supply Canal Diversion 1,252 996 1,114 1,230
Platte at Overton 952 697 913 1,300
Platte at Kearney 21.3 31.3 49.4 119
Platte at Grand Island 38.3 90.7 257 50.7

Charts

McConaughyInflows.png
McConaughy Historical Inflows
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McConaughy One Month
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McConaughy One Year
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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.