Reservoir/River Data

Readings for Tuesday, October 13, 2026

Lake & Reservoir Elevations

Location Today (Feet above Sea Level) 1 Week Ago 1 Month Ago 1 Year Ago
Lake McConaughy 3,202.5 = 405,500ac-ft (23.3% capacity) 3,202.1 3,201.1 3,224.1
Jeffrey Lake 2,758.0 2,757.4 2,757.5 2,758.1
Johnson Lake 2,618.0 2,618.0 2,617.9 2,617.7
Elwood Reservoir 2,583.0 2,583.5 2,585.0 2,589.4

River & Canal Flows

Station Today (Cubic Feet per Second) 1 Week Ago 1 Month Ago 1 Year Ago
Inflows to McConaughy 449 406 371 1,020
Total Outflows from McConaughy 0 0 594 417
North Platte at Keystone 0 0 86 417
Keystone Diversion 0 0 508 0
North Platte at North Platte 333 329 369 589
South Platte at Roscoe 49.2 53.8 3.35 3.35
South Platte at North Platte 449 406 371 1,020
Supply Canal Diversion 589 589 0 926
Platte at Overton 15.5 15.5 18.9 17.7
Platte at Kearney 75.7 114 65.8 200
Platte at Grand Island 141 141 59.6 59.6

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.