Reservoir/River Data

Readings for Friday, July 25, 2025

Lake & Reservoir Elevations

Location Today (Feet above Sea Level) 1 Week Ago 1 Month Ago 1 Year Ago
Lake McConaughy 3,227.7 = 830,600ac-ft (47.7% capacity) 3,228.9 3,231.8 3,234.3
Jeffrey Lake 2,758.9 2,758.1 2,758.6 2,758.6
Johnson Lake 2,618.2 2,618.4 2,618.0 2,618.1
Elwood Reservoir 2,598.8 2,599.4 2,598.0 2,596.2

River & Canal Flows

Station Today (Cubic Feet per Second) 1 Week Ago 1 Month Ago 1 Year Ago
Inflows to McConaughy 329 157 507 873
Total Outflows from McConaughy 1,830 1,753 1,935 2,216
North Platte at Keystone 420 413 165 576
Keystone Diversion 1,410 1,340 1,770 1,640
North Platte at North Platte 429 311 902 409
South Platte at Roscoe 9.91 18.6 105 9.65
South Platte at North Platte 156 141 437 117
Supply Canal Diversion 1,909 1,557 2,251 1,927
Platte at Overton 1,930 1,600 2,070 1,800
Platte at Kearney 403 414 1870 274
Platte at Grand Island 660 1030 1690 523

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.