Lake levels › Idaho

MACKAY Reservoir water level today

Normal for this time of year

6,024.42ft

feet above sea level ·

vs normal for Oct 10−6.2 ft
24 hours−0.25 ft
7 days−2.2 ft
30 days−9.3 ft
vs a year ago+8.6 ft

Is MACKAY Reservoir low right now?

MACKAY Reservoir was at 6,024.42 ft on October 10, 2026. That is 6.24 ft below the typical level for October 10, within the normal range. Over the past week the lake has been falling about 0.31 ft a day.

Last 12 monthsDaily level Normal range (10–90% of past years)
6,0116,0276,0436,0596,076NovDecJanFebMarAprMayJunJulAugSepOct

MACKAY Reservoir on Oct 10 in past years

20256,015.8+8.6
20246,027.2−2.7
20236,012.6+11.8
20216,022.9+1.6
20206,030.6−6.2
20196,052.7−28.3

Level on the same date each year, and how today compares.

Daily levels, last two weeks

DateLevel (ft)Change
Oct 106,024.46−0.21
Oct 96,024.67−0.33
Oct 86,025.00−0.33
Oct 76,025.33−0.34
Oct 66,025.67−0.33
Oct 56,026.00−0.32
Oct 46,026.32−0.33
Oct 36,026.65−0.33
Oct 26,026.98−0.33
Oct 16,027.31−0.29
Sep 306,027.60−0.27
Sep 296,027.87−0.27
Sep 286,028.14−0.29
Sep 276,028.43−0.29

Daily means of the operator's readings (midnight to midnight, local time).

About MACKAY Reservoir

10-year range
6,012.6 ft (September 28, 2023) to 6,071.3 ft (June 18, 2024)
Data
U.S. Geological Survey — USGS 13126000
Datum
NAVD88 (gage datum 6004.63 ft + gage height)

Lakes near MACKAY Reservoir

Questions

Is MACKAY Reservoir low right now?

MACKAY Reservoir was at 6,024.42 ft on October 10, 2026. That is 6.24 ft below the typical level for October 10, within the normal range. Over the past week the lake has been falling about 0.31 ft a day.

How often is the MACKAY Reservoir level updated?

The operator reports every 15 minutes to an hour. This page refreshes several times a day; the time of the latest reading is shown next to the level.

Where does this data come from?

U.S. Geological Survey (USGS 13126000). Readings are provisional and can be revised.