Cypress Bayou Lake lake and shoreline

Cypress Bayou Lake Water Level

Louisiana

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Cypress Bayou Lake

Cypress Bayou Lake is currently 2.3 feet below full pool, with a water-surface elevation of 177.7 feet.

177.72 ft · Updated 4 hours ago · U.S. Geological Survey

Current level

177.72ft

−2.28 ft vs full pool

Normal

Vs full pool

Since last reading

Down 0.01 ft

Previous readingNov 8177.74 ft

7-day change

Up 0.05 ft

7-day trend: Rising

8 daily readings in the last 7 days

30-day change

Down 0.24 ft

30 daily readings in the last 30 days

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Water Level History

Current
177.72 ft
24h
-0.01 ft
7d
+0.05 ft
30d
-0.24 ft

Elevation (ft) NGVD29 · MSL

Reference line is designed full pool.

Water Temperature

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Lake Level Context

Level remains below the full pool

Cypress Bayou Lake is currently 177.72 ft, 2.28 ft below its full pool. The lake has risen 0.05 ft over the past 7 days and fallen 0.24 ft over the past 30 days.

Cypress Bayou Lake Level Details

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

Conditions & Reference

Level status

2.28 ft below full pool

Current level
177.72 ft
Full pool
180 ft
DatumElevation referenced to National Geodetic Vertical Datum of 1929.
NGVD29
Elevation reference
MSL
Source
USGS

Reference levels

  • Full pool180 ft
  • Flood stage188 ft

Surrounding county drought

Extreme Drought

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

Severity

NoneExtreme
Trend
Stable

Surrounding county drought

Bossier Parish County, LA

Extreme Drought

Extreme Drought. The largest share of Bossier Parish County, LA 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: Stable compared with last week. Official drought (D1–D4) yes

Severity

NoneExtreme

Weekly trend

Stable

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 Nov 3, 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 Bossier Parish County, LA

Daily level summary

DateLevelChange
Nov 9, 2026177.73-0.01
Nov 8, 2026177.74-0.01
Nov 7, 2026177.75-0.02
Nov 6, 2026177.770
Nov 5, 2026177.77-0.02
Nov 4, 2026177.79+0.09
Nov 3, 2026177.7+0.02

Common questions about Cypress Bayou Lake’s water level

  • The current water level at Cypress Bayou Lake is 177.72 ft (updated 4 hours ago). You can track the Cypress Bayou Lake lake level on the interactive chart and daily history above.

  • Full pool for Cypress Bayou Lake is 180 ft — the normal conservation target elevation when the reservoir is at its designed summer or operating pool.

  • The current 7-day trend for the Cypress Bayou Lake lake level is rising — rising about 0.05 ft over the past week. See the history chart above for the full picture.

  • Based on the latest gauge reading, Cypress Bayou Lake is currently 2.28 ft below full pool.

Lake level glossary

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

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