Foster Lake water level today
Reservoir in Linn, Oregon · South Santiam River
613.39ft
186.96 m · NGVD29
Measured · provisional
Much below normal for the date
What this means
Foster Lake is 23.61 ft below its full pool of 637.00 ft.
It is lower than on Oct 21 in every one of the last 10 years on record.
The lake has fallen 0.57 ft in 7 days and fallen 15.71 ft in 30 days.
Since 1974, the lowest daily level was 610.57 ft (Mar 2015) and the highest 640.45 ft (Apr 1990).
Foster Lake level chart
Loading chart…
Measured
Normal range for the date (middle 50% of past years)
Full pool
Same date in past years
| Date | Level | vs today |
|---|---|---|
| Oct 21, 2025 | 617.46 ft | ▲ 4.07 ft |
| Oct 21, 2024 | 622.08 ft | ▲ 8.69 ft |
| Oct 21, 2023 | 622.46 ft | ▲ 9.07 ft |
| Oct 21, 2022 | 624.19 ft | ▲ 10.80 ft |
| Oct 21, 2021 | 621.49 ft | ▲ 8.10 ft |
| Oct 21, 2020 | 624.69 ft | ▲ 11.30 ft |
| Oct 21, 2019 | 615.40 ft | ▲ 2.01 ft |
| Oct 21, 2018 | 614.83 ft | ▲ 1.44 ft |
| Oct 21, 2017 | 625.87 ft | ▲ 12.48 ft |
| Oct 21, 2016 | 616.45 ft | ▲ 3.06 ft |
Records & details
- Highest
- 640.45 ft on Apr 28, 1990
- Lowest
- 610.57 ft on Mar 1, 2015
- Records from
- 1974 (52 years of daily data)
- Full pool
- 637.00 ft (top of conservation pool, U.S. Army Corps of Engineers)
- Inflow
- 1,148 cfs (32.5 m³/s)
- Outflow
- 1,155 cfs (32.7 m³/s)
- Water temperature
- Not measured here
Weather & wind
This Afternoon73°F · Sunny
Wind NW 5 mph
Wind NW 5 mph
Tonight43°F · Mostly Clear
Wind N 2 mph
Wind N 2 mph
Thursday64°F · Patchy Fog then Mostly Sunny
Wind W 0 to 7 mph
Wind W 0 to 7 mph
Thursday Night37°F · Mostly Cloudy
Wind W 1 to 7 mph
Wind W 1 to 7 mph
Friday58°F · Mostly Sunny
Wind WNW 3 mph
Wind WNW 3 mph
Friday Night34°F · Mostly Clear then Areas Of Frost
Wind NE 3 mph
Wind NE 3 mph
NOAA National Weather Service forecast for this lake's location, updated 1 h ago.