Lake Perris lake and shoreline

Lake Perris Water Level

Officially Lake Perris (Perris Reservoir)

California

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Lake Perris

Lake Perris is currently 0.9 feet below full pool, with a water-surface elevation of 1587.1 feet.

1587.12 ft · Updated 1 day ago · California Department of Water Resources (State Water Project)

Current level

1,587.12ft

−0.88 ft vs full pool

Normal

Vs full pool

Since last reading

Down 0.01 ft

Previous readingOct 61,587.13 ft

7-day change

Up 0.03 ft

7-day trend: Rising

8 daily readings in the last 7 days

30-day change

Up 1.24 ft

30 daily readings in the last 30 days

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Water Level History

Current
1587.12 ft
24h
-0.01 ft
7d
+0.03 ft
30d
+1.24 ft

Elevation (ft) MSL

Reference line is designed full pool.

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Lake Level Context

Level remains below the full pool

Lake Perris is currently 1587.12 ft, 0.88 ft below its full pool. The lake has risen 0.03 ft over the past 7 days and 1.24 ft over the past 30 days.

Lake Perris Level Details

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

Conditions & Reference

Level status

0.88 ft below full pool

Current level
1,587.12 ft
Full pool
1,588 ft
DatumVertical reference for published pool and stage elevations at this lake (from the lake catalog).
Not available
Elevation reference
MSL
Source
California Department of Water Resources (State Water Project)

Reference levels

  • Full pool1,588 ft

Surrounding county drought

Moderate Drought

48.6% of surrounding county in official drought (D1–D4).

Severity

NoneExtreme
Trend
Stable

Surrounding county drought

Riverside County, CA

Moderate Drought

Moderate Drought. The largest share of Riverside County, CA is in Moderate Drought (D1), 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

48.6% of the surrounding county is in official drought categories (D1–D4). Dominant category remains Moderate Drought.

Typical county impacts (USDM guidance)

  • Streamflows in the surrounding county may run below normal
  • Soils and vegetation can dry between rain events
  • Water managers may begin to watch supply more closely

U.S. Drought Monitor · map date Oct 6, 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 Riverside County, CA

Daily level summary

DateLevelChange
Oct 7, 20261,587.12-0.01
Oct 6, 20261,587.13-0.01
Oct 5, 20261,587.14-0.01
Oct 4, 20261,587.15+0.02
Oct 3, 20261,587.13+0.07
Oct 2, 20261,587.06-0.01
Oct 1, 20261,587.07-0.02

Common questions about Lake Perris’s water level

  • The current water level at Lake Perris is 1,587.12 ft (updated 1 day ago). You can track the Lake Perris lake level on the interactive chart and daily history above.

  • Full pool for Lake Perris is 1,588 ft — the normal conservation target elevation when the reservoir is at its designed summer or operating pool.

  • The current 7-day trend for the Lake Perris lake level is rising — rising about 0.03 ft over the past week. See the history chart above for the full picture.

  • Based on the latest gauge reading, Lake Perris is currently 0.88 ft below full pool.

Lake level glossary

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

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