South Fork Tolt Reservoir near Carnation water level

Name: South Fork Tolt Reservoir near Carnation water level (U.S. Geological Survey)
Creator: U.S. Geological Survey
License: https://www.usgs.gov/information-policies-and-instructions/copyrights-and-credits

Reservoir, South Fork Tolt Reservoir, Washington, United States

Directions

Latest reading

Surface elevation

1,722.22ft Down 0.32 ft over the last 24 hours

Measured Oct 19, 2026, 09:00 AM PDT (1 hour ago)

History

7 days

Surface elevation

What this means

The U.S. Geological Survey reports South Fork Tolt Reservoir near Carnation at 1,722.22 ft. There is no published reference for this reservoir yet, so we can't say whether that is high or low for the season.

It is still going down, by 0.32 ft over the past 24 hours. The 30-day range is 1,722.22 ft – 1,723.27 ft.

The agency publishes no normal range for this gauge yet, so we show the trend only. How to read levels

Boating and fishing at South Fork Tolt Reservoir near Carnation

Use the recent trend to judge conditions. A fast rise or fall shows up at docks and beaches within days.

Conditions at the shore change with the level, so check with the agency that runs the lake before a trip.

Weather at the gauge

Rain in the last 3 days: 0.40 in.

19 Mon 53° 45° – Wind 7 mph

20 Tue 58° 43° – Wind 8 mph

21 Wed 66° 46° – Wind 7 mph

22 Thu 55° 43° 0.03 in, 24% Wind 6 mph

23 Fri 46° 37° 0.12 in, 49% Wind 4 mph

24 Sat 55° 34° – Wind 6 mph

25 Sun 47° 38° 0.35 in, 37% Wind 5 mph

Forecast: Open-Meteo

Sunrise 07:32 AM Sunset 06:13 PM Daylight 10 hr, 40 min First quarter 61%

Map

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
South Fork Tolt River near CarnationRiver gauge, South Fork Tolt River	1.87 ft	Very low	−0.01 ft	1.2 mi
Nf Tolt River above Yellow Creek near CarnationRiver gauge, Nf Tolt River	44.6 cfs	Low	−16.1 cfs	3.1 mi
Phelps Creek below Unnamed Tributary near IndexRiver gauge, Phelps Creek	5.84 ft	Low	−0.05 ft	4.2 mi
South Fork Tolt River near IndexRiver gauge, South Fork Tolt River	0.74 ft	Low	−0.06 ft	4.2 mi
Sf Tolt River below Regulating Basin near CarnationRiver gauge, Sf Tolt River	3.12 ft	Very low	−0.01 ft	4.6 mi
Nf Snoqualmie River near Snoqualmie FallsRiver gauge, Nf Snoqualmie River	2.19 ft	Low	−0.14 ft	5.6 mi
Tolt River near CarnationRiver gauge, Tolt River	4.45 ft	Low	−0.10 ft	6 mi
Skykomish River near Gold BarRiver gauge, Skykomish River	4.40 ft	Normal	−0.05 ft	10 mi

Questions and answers

Is South Fork Tolt Reservoir near Carnation really 1,722.22 ft deep?

No. 1,722.22 ft is the height of the water surface above sea level (or the agency's vertical datum), not the depth of the water.

What is the water level of South Fork Tolt Reservoir near Carnation today?

On Oct 19, 2026, 09:00 AM PDT, the surface elevation was 1,722.22 ft. Down 0.32 ft over the last 24 hours.

Is South Fork Tolt Reservoir near Carnation rising or falling?

Down 0.32 ft over the last 24 hours.

Is the level of South Fork Tolt Reservoir near Carnation normal?

The agency publishes no normal range for this gauge yet, so we show the trend only.

How often is this data updated?

The 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 the U.S. Geological Survey, the official operator of this gauge, and are in 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:12147900 (Agency page)
Coordinates: 47.69371, -121.68900 (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

Parameter	Last value	Time (UTC)	Quality
Surface elevation	1,722.22 ft	2026-10-19 16:00	Provisional

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How to cite

U.S. Geological Survey: South Fork Tolt Reservoir near Carnation (usgs:12147900). Accessed October 19, 2026 via Nivelmap, https://nivelmap.com/en/united-states/washington/south-fork-tolt-reservoir-near-carnation

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.

Readings are provisional, can be delayed or wrong and are not a flood warning. Read the disclaimer