Lopez Lake lake and shoreline

Lopez Lake Water Level

California

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Lopez Lake

Lopez Lake is currently at a water-surface elevation of 510.0 feet.

509.99 ft · Updated 2 days ago · California Data Exchange Center

Current level

509.99ft

Status unavailable

Since last reading

Down 0.03 ft

Previous readingOct 23510.02 ft

7-day change

Down 0.05 ft

7-day trend: Falling

8 daily readings in the last 7 days

30-day change

Down 0.74 ft

28 daily readings in the last 30 days

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Water Level History

Current
509.99 ft
24h
-0.03 ft
7d
-0.05 ft
30d
-0.74 ft

Elevation (ft) Water-surface elevation (ft)

Reference line is designed full pool.

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Lake Level Context

Current lake level

Lopez Lake is currently 509.99 ft. The lake has fallen 0.05 ft over the past 7 days and 0.74 ft over the past 30 days.

Lopez Lake Level Details

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

Conditions & Reference

Level status

Summary updating

This comparison needs the current level and full pool. We use the live feed when present, otherwise the latest daily summary when it includes a pool comparison.

DatumVertical reference for published pool and stage elevations at this lake (from the lake catalog).
Water-surface elevation (ft)
Elevation reference
Not available
Source
California Data Exchange Center

Reference levels

No published reference elevations for this lake.

Surrounding county drought

No Drought

No official drought (D1–D4) reported for the surrounding county.

Severity

NoneExtreme
Trend
Stable

Surrounding county drought

San Luis Obispo County, CA

No Drought

No Drought. No USDM drought categories are reported for San Luis Obispo County, CA. These figures describe the surrounding county from the lake location, not the lake itself.. Trend: Stable compared with last week. Official drought (D1–D4) no

Severity

NoneExtreme

Weekly trend

Stable

Compared with last week

Official drought (D1–D4)

No

No D1–D4 area is reported for the surrounding county.

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 San Luis Obispo County, CA

Daily level summary

DateLevelChange
Oct 24, 2026509.99-0.03
Oct 23, 2026510.02-0.02
Oct 22, 2026510.04-0.02
Oct 21, 2026510.06+0.01
Oct 20, 2026510.05+0.07
Oct 19, 2026509.98-0.03
Oct 18, 2026510.01-0.03

Common questions about Lopez Lake’s water level

  • The current water level at Lopez Lake is 509.99 ft (updated 2 days ago). You can track the Lopez Lake lake level on the interactive chart and daily history above.

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

  • Readings refresh when California Data Exchange Center publishes new gauge data — typically daily for most reservoirs. The timestamp above the chart shows when the latest observation arrived on Lake Insights.

Lake level glossary

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

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