Lake Conditions
Illustrated map of Grand Lake

Lake levels

Shadow Mountain Lake, CO

water level
8366.71 ft
Condition
High for this time of year
7-day change
+0.02 ft
30-day change
-0.01 ft
1-year change
+0.14 ft

Reading as of 2026-10-12 | the U.S. Bureau of Reclamation

Since yesterday
+0.01 ft
7-day change
+0.02 ft
30-day change
-0.01 ft
1-year change
+0.14 ft
Record high
8366.88 ft

In brief

Shadow Mountain Lake stood at 8,366.71 feet on Oct 12, 2026. That is higher than 82% of October readings since 2021.

Source: U.S. Bureau of Reclamation

Lake level timeline

8366.08366.38366.78367.08367.3SEP 12SEP 17SEP 22SEP 27OCT 02OCT 07OCT 12HIGH 8366.74LOW 8366.598366.71 ft

Records and averages

Current level8366.71 ft
Record high8366.88 ft (2026-05-26)
Record low8366.25 ft (2023-06-27)
Average of all readings8366.65 ft
Data span5 years (2,000 readings)

Level schematic

8,366.178,366.378,366.568,366.768,366.96PUBLISHED HIGH 8,366.88 ft8,366.71 ftPUBLISHED LOW 8,366.25 ft

Frequently asked questions

Is Shadow Mountain Lake full right now?

As of 2026-10-12, Shadow Mountain Lake sits at 8366.71 ft, which is high for this time of year. Over the past 30 days the level has fallen 0.01 ft.

What is the water level at Shadow Mountain Lake today?

The most recent reading at Shadow Mountain Lake is 8366.71 ft (2026-10-12), sourced from the U.S. Bureau of Reclamation. Readings on this page refresh automatically as the agency publishes new data.

What is the highest Shadow Mountain Lake has ever been?

The highest level for Shadow Mountain Lake in our records is 8366.88 ft on 2026-05-26. The lowest is 8366.25 ft on 2023-06-27. Our record covers about 5 years of readings.

Is Shadow Mountain Lake low for this time of year?

Compared with every October in our records, the current level is higher than 82% of them, which we classify as high for this time of year. Seasonal comparison matters more than the raw number, because most reservoirs draw down predictably through late summer and refill over winter and spring.

Why is Shadow Mountain Lake changing right now?

Reservoir levels move for four main reasons: rainfall and runoff into the basin, releases through the dam for downstream water supply, power generation or flood control, evaporation during hot months, and seasonal drawdown schedules set by the operating agency. Shadow Mountain Lake has fallen 0.01 ft over the past 30 days. For the operational reason on any given week, check the U.S. Bureau of Reclamation directly.

How much has Shadow Mountain Lake changed over the past year?

Shadow Mountain Lake is +0.14 ft compared with this date last year (8366.71 ft today). The full-history chart above covers 5 years, with a record high of 8366.88 ft and a record low of 8366.25 ft.

Download and cite

Quote this reading

Shadow Mountain Lake stood at 8,366.71 feet on Oct 12, 2026. That is higher than 82% of October readings since 2021.

From the U.S. Bureau of Reclamation, updated daily. The sentence changes with every new reading, so quote it with its date.

Download the full record

shadow-mountain-lake-co-water-level-history.csv

2,000 readings, Aug 16, 2021 to Oct 12, 2026. Daily readings. Columns: date, water_level_ft. 39 KB.

How to cite

MyWaterLevel, “Shadow Mountain Lake water level, 2021 to 2026,” data from U.S. Bureau of Reclamation, https://mywaterlevel.com/lake/co/shadow-mountain-lake/, accessed Oct 13, 2026.

Embed this lake level on your site

A small card with the current level and the last 30 days. It updates every day, costs nothing, and needs no account. Paste this where you want it to appear:

Preview the card

Need several lakes, your own branding, or a lake we do not list? Write to [email protected].

Source: the U.S. Bureau of Reclamation. All Colorado lake levels. Readings are provisional and may be revised. About our data and methods.