Alder Lake lake and shoreline

Alder Lake Water Level

Washington

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The latest available reading shows Alder Lake at a water-surface elevation of 1195.0 feet.

1195.01 ft · Updated Aug 25 · USGS Water Data (daily values)

Current level

1,195.01ft

Status unavailable

A verified operating range is not available for this lake.

Since last reading

No prior reading

Change appears once we have two daily level summaries on file.

Prior reading unavailable

7-day change

Insufficient 7-day history

7-day change is shown once at least a week of daily data is on file.

Insufficient history for 7-day trend

Not enough readings in this period

Need at least two readings in the last 7 days for a trend preview.

30-day change

Insufficient 30-day history

30-day change is shown once 30 days of daily history are available.

Not enough readings in this period

Need at least two readings in the last 30 days for a trend preview.

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Water Level History

Elevation (ft) Water-surface elevation (ft)

No live elevation history

This lake has no public live pool gage, so Lake Insights cannot plot a water-level history. Published conservation or full-pool elevation may still appear in the panels below.

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
USGS Water Data (daily values)

Reference levels

No published reference elevations for this lake.

Watershed drought

Abnormally Dry

6.8% of watershed in official drought (D1+).

Severity

NoneExtreme
Trend
Stable

Watershed drought conditions

Pierce County, WA

Abnormally Dry

Abnormally Dry. The surrounding county is abnormally dry, which is not official drought.. Trend: Stable compared with last week. Official drought yes

Severity

NoneExtreme

Weekly trend

Stable

Compared with last week

Official drought

Yes

6.8% of the watershed is currently classified as official drought (D1+).

U.S. Drought Monitor · map date Sep 8, 2026. Updated weekly. droughtmonitor.unl.eduView drought map for Pierce County, WA

Daily level summary

Daily history updating

Daily rows will appear here as level summaries are recorded for this lake.

Common questions about Alder Lake’s water level

  • The current water level at Alder Lake is 1,195.01 ft (updated aug 25). You can track the Alder Lake lake level on the interactive chart and daily history above.

  • Readings refresh when USGS Water Data (daily values) 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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