Reservoir/River Data

Readings for Tuesday, April 14, 2026

Lake & Reservoir Elevations

Location Today (Feet above Sea Level) 1 Week Ago 1 Month Ago 1 Year Ago
Lake McConaughy 3,230.9 = 894,100ac-ft (51.3% capacity) 3,231.0 3,231.0 3,239.2
Jeffrey Lake 2,757.5 2,757.8 2,756.2 2,756.4
Johnson Lake 2,617.7 2,616.2 2,616.9 2,616.0
Elwood Reservoir 2,588.9 2,584.9 2,580.7 2,591.5

River & Canal Flows

Station Today (Cubic Feet per Second) 1 Week Ago 1 Month Ago 1 Year Ago
Inflows to McConaughy 437 566 893 803
Total Outflows from McConaughy 765 707 406 330
North Platte at Keystone 38 275 296 22
Keystone Diversion 727 432 110 308
North Platte at North Platte 330 474 592 349
South Platte at Roscoe 76.6 82.9 46.6 139
South Platte at North Platte 130 141 167 169
Supply Canal Diversion 1,119 745 919 858
Platte at Overton 915 567 784 588
Platte at Kearney 24.3 168 505 2030
Platte at Grand Island 310 887 1060 606

Charts

McConaughyInflows.png
McConaughy Historical Inflows
McConaughyOneMonth.png
McConaughy One Month
McConaughyOneYear.png
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.