Horsetooth Reservoir lake and shoreline

Horsetooth Reservoir Water Level

Colorado

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Horsetooth Reservoir

Horsetooth Reservoir is currently 19.1 feet below full pool, with a water-surface elevation of 5409.9 feet.

5409.91 ft · Updated 2 days ago · U.S. Bureau of Reclamation (USBR)

Current level

5,409.91ft

−19.09 ft vs full pool

Low

Vs full pool

Since last reading

Down 0.37 ft

Previous readingOct 235,410.28 ft

7-day change

Down 2.13 ft

7-day trend: Falling

8 daily readings in the last 7 days

30-day change

Down 2.05 ft

29 daily readings in the last 30 days

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Water Level History

Current
5409.91 ft
24h
-0.37 ft
7d
-2.13 ft
30d
-2.05 ft

Elevation (ft) MSL

Reference line is designed full pool.

Water Temperature

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Lake Level Context

Level remains below the full pool

Horsetooth Reservoir is currently 5409.91 ft, 19.09 ft below its full pool. The lake has fallen 2.13 ft over the past 7 days and 2.05 ft over the past 30 days.

Horsetooth Reservoir Level Details

Reference elevations, recent daily readings, data sources, and answers to common questions.

Conditions & Reference

Level status

19.09 ft below full pool

Current level
5,409.91 ft
Full pool
5,429 ft
DatumVertical reference for published pool and stage elevations at this lake (from the lake catalog).
Not available
Elevation reference
MSL
Source
U.S. Bureau of Reclamation (USBR)

Reference levels

  • Full pool5,429 ft

Surrounding county drought

Extreme Drought

100% of surrounding county in official drought (D1–D4).

Severity

NoneExtreme
Trend
Improving

Surrounding county drought

Larimer County, CO

Extreme Drought

Extreme Drought. The largest share of Larimer County, CO is in Extreme Drought (D3), an official USDM drought category. These figures describe the surrounding county from the lake location, not the lake itself.. Trend: Improving compared with last week. Official drought (D1–D4) yes

Severity

NoneExtreme

Weekly trend

Improving

Compared with last week

Official drought (D1–D4)

Yes

100% of the surrounding county is in official drought categories (D1–D4). Dominant category remains Extreme Drought.

Typical county impacts (USDM guidance)

  • Significantly reduced streamflows in the surrounding county
  • Dry vegetation and elevated wildfire risk for the area
  • Nearby water-use restrictions may apply

U.S. Drought Monitor · map date Oct 20, 2026. Updated weekly. Official drought means U.S. Drought Monitor categories D1–D4 (Moderate through Exceptional). Abnormally Dry (D0) is not counted as official drought. droughtmonitor.unl.eduView drought map for Larimer County, CO

Daily level summary

DateLevelChange
Oct 24, 20265,409.91-0.37
Oct 23, 20265,410.28-0.45
Oct 22, 20265,410.73-0.39
Oct 21, 20265,411.12-0.39
Oct 20, 20265,411.51-0.33
Oct 19, 20265,411.84-0.1
Oct 18, 20265,411.94-0.1

Common questions about Horsetooth Reservoir’s water level

  • The current water level at Horsetooth Reservoir is 5,409.91 ft (updated 2 days ago). You can track the Horsetooth Reservoir lake level on the interactive chart and daily history above.

  • Full pool for Horsetooth Reservoir is 5,429 ft — the normal conservation target elevation when the reservoir is at its designed summer or operating pool.

  • The current 7-day trend for the Horsetooth Reservoir lake level is falling — falling about 2.13 ft over the past week. See the history chart above for the full picture.

  • Based on the latest gauge reading, Horsetooth Reservoir is currently 19.09 ft below full pool.

Lake level glossary

Definitions for pool targets, datums, and how elevation readings are labeled.

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