Reservoir/River Data

Readings for Thursday, August 7, 2025

Lake & Reservoir Elevations

Location Today (Feet above Sea Level) 1 Week Ago 1 Month Ago 1 Year Ago
Lake McConaughy 3,226.1 = 799,500ac-ft (45.9% capacity) 3,226.8 3,230.4 3,231.9
Jeffrey Lake 2,758.9 2,758.1 2,758.1 2,758.1
Johnson Lake 2,617.6 2,617.9 2,618.5 2,617.7
Elwood Reservoir 2,597.7 2,598.4 2,600.1 2,595.1

River & Canal Flows

Station Today (Cubic Feet per Second) 1 Week Ago 1 Month Ago 1 Year Ago
Inflows to McConaughy 934 601 344 407
Total Outflows from McConaughy 1,755 1,757 1,527 2,400
North Platte at Keystone 355 357 217 830
Keystone Diversion 1,400 1,400 1,310 1,570
North Platte at North Platte 467 321 378 601
South Platte at Roscoe 32.0 5.06 56.6 0.15
South Platte at North Platte 363 265 222 108
Supply Canal Diversion 1,875 1,791 1,655 2,024
Platte at Overton 1,740 1,560 1,610 1,860
Platte at Kearney 141 613 1100 61.3
Platte at Grand Island 551 569 1380 107

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.