Reservoir/River Data

Readings for Thursday, October 22, 2026

Lake & Reservoir Elevations

Location Today (Feet above Sea Level) 1 Week Ago 1 Month Ago 1 Year Ago
Lake McConaughy 3,202.9 = 411,000ac-ft (23.6% capacity) 3,202.6 3,201.3 3,224.7
Jeffrey Lake 2,758.5 2,758.0 2,758.5 2,757.9
Johnson Lake 2,618.3 2,618.1 2,618.2 2,617.7
Elwood Reservoir 2,583.0 2,583.0 2,584.9 2,588.8

River & Canal Flows

Station Today (Cubic Feet per Second) 1 Week Ago 1 Month Ago 1 Year Ago
Inflows to McConaughy 529 466 360 1,140
Total Outflows from McConaughy 0 0 32 332
North Platte at Keystone 0 0 2 332
Keystone Diversion 0 0 30 0
North Platte at North Platte 289 333 429 575
South Platte at Roscoe 903 53.8 11.0 11.0
South Platte at North Platte 529 466 360 1,140
Supply Canal Diversion 583 590 750 958
Platte at Overton 14.6 14.6 18.4 13.0
Platte at Kearney 114 174 25.0 903
Platte at Grand Island 286 298 67.4 299

Charts

McConaughyInflows.png
McConaughy Historical Inflows
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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.