Foster Reservoir lake and shoreline

Foster Reservoir Water Level

Oregon

Make Home Lake
Favorite

Foster Reservoir is currently at a water-surface elevation of 635.8 feet.

635.79 ft · Updated 1 hour ago · USACE NWP District

Current level

635.79ft

Status unavailable

A verified operating range is not available for this lake.

Since last reading

Up 0.15 ft

Previous readingSep 9635.53 ft

7-day change

Up 0.07 ft

7-day trend: Rising

4 daily readings in the last 7 days

30-day change

Up 0.07 ft

4 daily readings in the last 30 days

Share feedback or correction

Water Level History

Elevation (ft) Water-surface elevation (ft)

635 ft636 ft636 ftSep 8Sep 11

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
USACE NWP District

Reference levels

No published reference elevations for this lake.

Watershed drought

Severe Drought

100% of watershed in official drought (D1+).

Severity

NoneExtreme
Trend
Stable

Watershed drought conditions

Linn County, OR

Severe Drought

Severe Drought. Severe drought conditions are present.. Trend: Stable compared with last week. Official drought yes

Severity

NoneExtreme

Weekly trend

Stable

Compared with last week

Official drought

Yes

100% of the watershed is currently classified as official drought (D1+).

Expected impacts

  • Lower stream inflows
  • Lake levels may decline faster
  • Vegetation is becoming drier
  • Minor increase in wildfire risk

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

Daily level summary

  • Sep 10, 2026

    635.68 ft

    +0.15 ft

  • Sep 9, 2026

    635.53 ft

    +0.09 ft

  • Sep 8, 2026

    635.44 ft

    -0.17 ft

  • Sep 7, 2026

    635.61 ft

    —

Common questions about Foster Reservoir’s water level

  • The current water level at Foster Reservoir is 635.79 ft (updated 1 hour ago). You can track the Foster Reservoir lake level on the interactive chart and daily history above.

  • The current 7-day trend for the Foster Reservoir lake level is rising — rising about 0.07 ft over the past week. See the history chart above for the full picture.

  • Readings refresh when USACE NWP District 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.

Privacy preferences

Ads and analytics are not optional. You can still choose optional functional cookies. Essential cookies stay on so the site works.

  • Essential

    Required for sign-in, security, and core site features. These cannot be turned off because the service would not work without them.

  • Functional & preferences

    Remembers optional choices such as display preferences beyond what essential cookies require. Most preference storage today is essential for signed-in features.