Reservoir/River Data

Readings for Friday, May 30, 2025

Lake & Reservoir Elevations

Location Today (Feet above Sea Level) 1 Week Ago 1 Month Ago 1 Year Ago
Lake McConaughy 3,236.0 = 1,000,000ac-ft (57.4% capacity) 3,237.2 3,239.3 3,242.2
Jeffrey Lake 2,758.3 2,758.3 2,758.0 2,758.4
Johnson Lake 2,618.4 2,618.4 2,618.0 2,617.7
Elwood Reservoir 2,598.0 2,597.4 2,595.2 2,596.8

River & Canal Flows

Station Today (Cubic Feet per Second) 1 Week Ago 1 Month Ago 1 Year Ago
Inflows to McConaughy 1,360 571 619 895
Total Outflows from McConaughy 2,780 2,734 517 1,786
North Platte at Keystone 1,050 994 26 216
Keystone Diversion 1,730 1,740 491 1,570
North Platte at North Platte 1,530 807 310 374
South Platte at Roscoe 134 42.8 65.6 128
South Platte at North Platte 353 174 166 342
Supply Canal Diversion 2,257 1,718 591 1,795
Platte at Overton 2,070 1,620 671 1,720
Platte at Kearney 2460 1330 249 607
Platte at Grand Island 1800 499 193 1360

Charts

McConaughyInflows.png
McConaughy Historical Inflows
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McConaughy One Month
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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.

Lake McConaughy Weekly Temperature Readings

 Data is acquired from Nebraska DNR and USGS web services and CNPPID historical readings.