Reservoir/River Data

Readings for Saturday, July 11, 2026

Lake & Reservoir Elevations

Location Today (Feet above Sea Level) 1 Week Ago 1 Month Ago 1 Year Ago
Lake McConaughy 3,214.7 = 593,900ac-ft (34.1% capacity) 3,216.6 3,222.1 3,229.9
Jeffrey Lake 2,758.3 2,758.3 2,758.6 2,757.6
Johnson Lake 2,618.6 2,617.9 2,618.0 2,618.4
Elwood Reservoir 2,597.0 2,597.6 2,600.1 2,599.9

River & Canal Flows

Station Today (Cubic Feet per Second) 1 Week Ago 1 Month Ago 1 Year Ago
Inflows to McConaughy 163 260 230 244
Total Outflows from McConaughy 2,268 2,673 3,020 1,381
North Platte at Keystone 558 863 1,210 351
Keystone Diversion 1,710 1,810 1,810 1,030
North Platte at North Platte 619 650 1,290 319
South Platte at Roscoe 14.3 14.2 10.3 38.2
South Platte at North Platte 107 116 145 200
Supply Canal Diversion 1,830 1,948 2,276 1,562
Platte at Overton 1,990 2,020 2,150 1,630
Platte at Kearney 132 132 1840 390
Platte at Grand Island 212 269 2040 1420

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.