Reservoir/River Data

Readings for Wednesday, October 14, 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) 3,202.2 3,200.6 3,224.1
Jeffrey Lake 2,757.8 2,757.6 2,757.9 2,758.0
Johnson Lake 2,618.0 2,618.0 2,618.1 2,617.3
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 440 429 363 1,060
Total Outflows from McConaughy 0 0 600 424
North Platte at Keystone 0 0 95 424
Keystone Diversion 0 0 505 0
North Platte at North Platte 332 331 356 605
South Platte at Roscoe 48.1 53.8 4.66 128
South Platte at North Platte 440 429 363 1,060
Supply Canal Diversion 595 580 588 926
Platte at Overton 12.3 12.3 17.2 17.2
Platte at Kearney 320 320 91.0 326
Platte at Grand Island 164 386 59.6 320

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.