Reservoir/River Data

Readings for Saturday, July 5, 2025

Lake & Reservoir Elevations

Location Today (Feet above Sea Level) 1 Week Ago 1 Month Ago 1 Year Ago
Lake McConaughy 3,230.6 = 888,100ac-ft (51% capacity) 3,231.4 3,235.4 3,237.4
Jeffrey Lake 2,758.4 2,758.7 2,758.2 2,758.5
Johnson Lake 2,618.8 2,618.1 2,617.8 2,618.5
Elwood Reservoir 2,600.1 2,598.7 2,598.9 2,595.4

River & Canal Flows

Station Today (Cubic Feet per Second) 1 Week Ago 1 Month Ago 1 Year Ago
Inflows to McConaughy 450 492 815 962
Total Outflows from McConaughy 1,617 1,566 2,011 2,191
North Platte at Keystone 217 136 251 491
Keystone Diversion 1,400 1,430 1,760 1,700
North Platte at North Platte 387 920 823 554
South Platte at Roscoe 106 121 124 18.2
South Platte at North Platte 216 444 319 207
Supply Canal Diversion 1,492 2,222 2,239 2,036
Platte at Overton 1,470 2,010 2,070 1,720
Platte at Kearney 350 1870 3290 1450
Platte at Grand Island 867 2890 2720 3460

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.

Lake McConaughy Weekly Temperature Readings

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