Nivelmap
EN

Swift Reservoir 3.2 Mi East of Dam near Cougar water level

Reservoir, Swift Reservoir 3.2 Mi East of Dam, Washington, United States

Directions

Right now

Normal for mid-October

Surface elevation

960.00ft Down 0.90 ft over the last 24 hours

950 960 970 980
Surface elevation: 960.00 ft. Normal for mid-October.

History

History
950960970980ftOct 10Oct 11Oct 13Oct 15Oct 16950960970980ftOct 10Oct 13Oct 16
950960970980ftSep 17Sep 24Oct 1Oct 9Oct 16950960970980ftSep 17Oct 1Oct 16
9609801,000ftOct 2025Jan 2026Apr 2026Jul 2026Oct 20269609801,000ftOct 2025Apr 2026Oct 2026
9609801,000ftJan 2021Jun 2022Nov 2023May 2025Oct 20269609801,000ftJan 2021Nov 2023Oct 2026
9609801,000ftJanMarMayJulSepNov20269609801,000ftJanAprJulOct2026

202120222023202420252026

Surface elevation Normal range (10–90 %)

What this means

Swift Reservoir 3.2 Mi East of Dam near Cougar is at 960.00 ft, in the normal range for mid-October.

The median for mid-October is 962.81 ft, based on 6 years of readings, so the lake level is 2.81 ft below typical. On the same day last year the reading was 962.77 ft, a difference of −2.77 ft.

It has dropped 0.90 ft over the past 24 hours. In the last month it has stayed between 960.00 ft and 968.00 ft.

Many reservoirs reach their low point of the year in fall, before winter rain and snow start the refill.

Compared with 6 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date
962.81 ft2.81 ft below the median for this date
Normal for this date
951.77 ft – 980.65 ft8 years in 10 fall in this range (6 years of records)
Same day last year
962.77 ft−2.77 ft
Lowest and highest in 30 days
960.00 ft – 968.00 ft
Lowest and highest in 12 months
960.90 ft – 999.00 ft

On the water at Swift Reservoir 3.2 Mi East of Dam near Cougar

Normal levels mean few surprises on the water: ramps in use and the shoreline where you expect it.

Wear a life jacket on the water. Most boating deaths involve people who were not wearing one.

Weather at the gauge

The forecast is not available right now.

Sunrise 07:27 AM Sunset 06:22 PM Daylight 10h 55m First quarter 34 %

Map

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Muddy River below Clear Creek near CougarRiver gauge, Muddy River 13.77 ft Very low +0.01 ft 6 mi
Lewis River above Muddy River near CougarRiver gauge, Lewis River 164 cfs Very low 7 mi
Yale Reservoir near CougarReservoir, Yale Reservoir 472.00 ft Low 0.00 ft 9 mi
Speelyai Creek near CougarRiver gauge, Speelyai Creek 1.2 cfs Very low 11 mi
Canyon Creek near AmboyRiver gauge, Canyon Creek 24.7 cfs Low 12 mi
Lake Merwin near ChelatchieLake, Lake Merwin 230.00 ft Low 0.00 ft 14 mi
Lewis River at ArielRiver gauge, Lewis River 2.45 ft Normal +0.71 ft 22 mi
East Fork Lewis River near HeissonRiver gauge, East Fork Lewis River 10.03 ft Very low 22 mi

Questions and answers

Is Swift Reservoir 3.2 Mi East of Dam near Cougar higher than last year?

No, it is 2.77 ft lower than on the same day last year, when the reading was 962.77 ft.

How often is Swift Reservoir 3.2 Mi East of Dam near Cougar updated?

Several times an hour. New readings from U.S. Geological Survey appear here as they arrive. Latest: Oct 16, 2026, 02:00 PM PDT.

What is the water level of Swift Reservoir 3.2 Mi East of Dam near Cougar today?

On Oct 16, 2026, 02:00 PM PDT, the surface elevation was 960.00 ft. Down 0.90 ft over the last 24 hours.

Is Swift Reservoir 3.2 Mi East of Dam near Cougar rising or falling?

Down 0.90 ft over the last 24 hours. Down 3.00 ft over the last 7 days.

Is the level of Swift Reservoir 3.2 Mi East of Dam near Cougar normal?

Normal for mid-October. Compared with 6 years of daily readings for this time of year.

How often is this data updated?

U.S. Geological Survey publishes a new reading every 15 minutes. This page refreshes within minutes of each update.

Where does this data come from?

The values come directly from U.S. Geological Survey, the official operator of this gauge, and are published under the Public domain. We do not estimate or model live values.

For specialists

Station codes, datum, parameters, data quality and downloads
Operator
U.S. Geological Survey
Station code
usgs:14217599 (Agency page)
Coordinates
46.06261, -122.13231 (WGS84)
Vertical datum
NGVD29
Update interval
every 15 minutes
Licence
Public domain. Data: U.S. Geological Survey (USGS), provisional data subject to revision

Published series

ParameterLast valueTime (UTC)Quality
Surface elevation elevation 960.00 ft 2026-10-16 21:00 Provisional

Download

Embed this gauge

Add a live card for this gauge to your website. It updates on its own and links back here.

How to cite

U.S. Geological Survey: Swift Reservoir 3.2 Mi East of Dam near Cougar (usgs:14217599). Accessed October 16, 2026 via Nivelmap, https://nivelmap.com/en/united-states/washington/swift-reservoir-3-2-mi-east-of-dam-near-cougar

How we check values

Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.