Reservoir/River Data

Readings for Thursday, August 28, 2025

Lake & Reservoir Elevations

Location Today (Feet above Sea Level) 1 Week Ago 1 Month Ago 1 Year Ago
Lake McConaughy 3,222.4 = 729,800ac-ft (41.9% capacity) 3,223.7 3,227.2 3,230.2
Jeffrey Lake 2,758.8 2,757.9 2,758.5 2,758.1
Johnson Lake 2,618.6 2,618.0 2,618.2 2,618.6
Elwood Reservoir 2,592.3 2,595.7 2,598.6 2,593.5

River & Canal Flows

Station Today (Cubic Feet per Second) 1 Week Ago 1 Month Ago 1 Year Ago
Inflows to McConaughy 680 455 614 1,300
Total Outflows from McConaughy 2,246 1,945 1,742 1,878
North Platte at Keystone 926 405 352 508
Keystone Diversion 1,320 1,540 1,390 1,370
North Platte at North Platte 751 313 314 427
South Platte at Roscoe 8.30 2.29 7.66 71.6
South Platte at North Platte 154 158 139 128
Supply Canal Diversion 2,146 1,866 1,724 1,830
Platte at Overton 2,160 1,950 1,690 1,720
Platte at Kearney N/A 31.1 370 359
Platte at Grand Island N/A 48.8 259 818

Charts

McConaughyInflows.png
McConaughy Historical Inflows
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McConaughy One Month
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McConaughy One Year
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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.