Mackay Reservoir near Mackay water level

Name: Mackay Reservoir near Mackay water level (U.S. Geological Survey)
Creator: U.S. Geological Survey
License: https://www.usgs.gov/information-policies-and-instructions/copyrights-and-credits

Reservoir, Mackay Reservoir, Idaho, United States

Directions

Latest reading

Water level

20.33ft Up 0.35 ft over the last 24 hours

Measured Oct 19, 2026, 05:45 AM MDT (1 hour ago)

History

7 days

Water level

What this means

Mackay Reservoir near Mackay reads 20.33 ft as of Oct 19, 2026, 05:45 AM MDT. There is no published reference for this reservoir yet, so we can't say whether that is high or low for the season.

It has risen 0.35 ft over the past 24 hours. In the last month it has stayed between 19.32 ft and 20.33 ft.

The agency publishes no normal range for this gauge yet, so we show the trend only. How to read levels

On the water at Mackay Reservoir near Mackay

Watch the chart rather than the single number; it shows whether the shoreline is moving.

Wear a life jacket on the water. Most boating deaths involve people who were not wearing one.

What happens at each level

66.50 ft: 102 percent Full Maximum Level
65.70 ft: 100 percent Full
64.80 ft: 97 percent Full
64.20 ft: 95 percent Full
63.20 ft: 92 percent Full
61.50 ft: 90 percent Full
60.80 ft: 87 percent Full
59.60 ft: 80 percent Full
55.90 ft: 70 percent Full
51.90 ft: 60 percent Full
47.50 ft: 50 percent Full
42.50 ft: 40 percent Full
20.33 ft: Right now

Impact statements from the U.S. National Weather Service.

Weather at the gauge

No rain in the last 3 days.

18 Sun 61° 38° – Wind 15 mph

19 Mon 62° 42° – Wind 15 mph

20 Tue 57° 46° 0.06 in, 25% Wind 10 mph

21 Wed 59° 45° 0.02 in Wind 10 mph

22 Thu 62° 47° 0.25 in, 70% Wind 13 mph

23 Fri 52° 42° 0.06 in, 70% Wind 11 mph

24 Sat 54° 37° – Wind 7 mph

Forecast: Open-Meteo

Sunrise 07:55 AM Sunset 06:46 PM Daylight 10 hr, 51 min First quarter 59%

Map

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Big Lost River below Mackay Reservoir near MackayRiver gauge, Big Lost River	1.68 ft	Below flood stage	+0.01 ft	1.6 mi
Lower Cedar Creek above Divs near MackayRiver gauge, Lower Cedar Creek	10.8 cfs	Normal	±0	5.0 mi
Warm Springs Creek below Diversion near MackayRiver gauge, Warm Springs Creek	42.7 cfs	High	+2.5 cfs	7 mi
Thousand Springs Creek near ChillyRiver gauge, Thousand Springs Creek	5.1 cfs	Normal	−0.3 cfs	11 mi
Big Lost River near LeslieRiver gauge, Big Lost River	79.0 cfs	Low	−3.3 cfs	12 mi
Antelope Creek near DarlingtonRiver gauge, Antelope Creek	4.64 ft	Below flood stage	±0	17 mi
Big Lost River at Howell Ranch near ChillyRiver gauge, Big Lost River	0.99 ft	Below flood stage	−0.01 ft	18 mi
Big Lost River below Moore Diversion near MooreRiver gauge, Big Lost River	0.0 cfs	Low	±0	19 mi

Questions and answers

What is the water level of Mackay Reservoir near Mackay today?

On Oct 19, 2026, 05:45 AM MDT, the water level was 20.33 ft. Up 0.35 ft over the last 24 hours.

Is Mackay Reservoir near Mackay rising or falling?

Up 0.35 ft over the last 24 hours.

Is the level of Mackay Reservoir near Mackay normal?

The agency publishes no normal range for this gauge yet, so we show the trend only.

How often is this data updated?

The U.S. Geological Survey publishes a new reading every 15 minutes. This page refreshes within minutes of each update.

Where does this data come from?

The values come directly from the U.S. Geological Survey, the official operator of this gauge, and are in the public domain. We do not estimate or model live values.

For specialists

Station codes, datum, parameters, data quality and downloads

Operator: U.S. Geological Survey
Station code: usgs:13126000 (Agency page)
Coordinates: 43.95139, -113.67500 (WGS84)
Vertical datum: NAVD88
Update interval: every 15 minutes
Licence: Public domain. Data: U.S. Geological Survey (USGS), provisional data subject to revision

Published series

Parameter	Last value	Time (UTC)	Quality
Water level	20.33 ft	2026-10-19 11:45	Provisional

Download

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How to cite

U.S. Geological Survey: Mackay Reservoir near Mackay (usgs:13126000). Accessed October 19, 2026 via Nivelmap, https://nivelmap.com/en/united-states/idaho/mackay-reservoir-near-mackay

How we check values

Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.

Readings are provisional, can be delayed or wrong and are not a flood warning. Read the disclaimer