How high is the South Fork Tolt River Near Carnation, WA right now?

The South Fork Tolt River Near Carnation, WA is currently flowing at 73 cubic feet per second with a gage height of 2.01 feet, based on the most recent USGS instantaneous reading.

Is the flow on the South Fork Tolt River Near Carnation, WA normal for this time of year?

Current flow is classified as normal for June 11. Today's discharge is at the 60th percentile compared to the long-term historical record at this gauge.

What is the historical median flow for the South Fork Tolt River Near Carnation, WA on June 11?

The long-term median discharge for this date is 68 cfs based on USGS daily statistics. The 10th–95th percentile range historically is 37 to 302 cfs.

Where is the South Fork Tolt River Near Carnation, WA stream gauge located?

The South Fork Tolt River Near Carnation, WA stream gauge is operated by the USGS in King County, WA on the South Fork Tolt River. USGS site number 12148000 (coordinates 47.6893, -121.7134).

South Fork Tolt River Near Carnation, WA

USGS Site No: 12148000 • South Fork Tolt River • King County, WA

South Fork Tolt River Near Carnation, WA on the South Fork Tolt River is currently at 73 cfs (Normal — 60th percentile for this date) . Gage height: 2.01 ft.

Reading from 1 week ago

↑ Upstream on South Fork Tolt River

South Fork Tolt River Near Index, WA

CFS Discharge

2.01

Gage Height (ft)

Normal

Flow Condition

N/A

Flood Status

Historical Percentile Comparison

Today's discharge compared to the long-term record for June 11 at this station. Percentile rank shows what fraction of historical years had lower flow on this date.

Percentile	Label	CFS Threshold	Today's Flow
10th	Very Low threshold	37
25th	Low threshold	58
50th (Median)	Normal (median)	68
75th	High threshold	81	Today: 73 cfs
95th	Very High threshold	302

30-Day Hydrograph

Recent discharge plotted against the historical 10th–95th percentile envelope for the same calendar days. Source: USGS daily values + long-term statistics.

10th–95th historical Day-of-year median Recent discharge

30-Day Flow History

Date	Discharge (CFS)	Gage Ht (ft)
May 28, 2026	74	2.01
May 27, 2026	74	2.02
May 26, 2026	74	2.02
May 25, 2026	74	2.02
May 24, 2026	74	2.02
May 23, 2026	74	2.01
May 22, 2026	72	2.00
May 21, 2026	73	2.01
May 20, 2026	73	2.01
May 19, 2026	74	2.01
May 18, 2026	74	2.02
May 17, 2026	76	2.03
May 16, 2026	78	2.04
May 15, 2026	76	2.03
Apr 20, 2026	75	2.03
Apr 19, 2026	76	2.03
Apr 18, 2026	76	2.03
Apr 17, 2026	77	2.04
Apr 16, 2026	78	2.05
Apr 15, 2026	82	2.08
Apr 14, 2026	77	2.04
Apr 13, 2026	76	2.03
Apr 12, 2026	73	2.01
Apr 11, 2026	73	2.01
Apr 10, 2026	73	2.01
Apr 9, 2026	74	2.01
Apr 8, 2026	75	2.02
Apr 7, 2026	77	2.04
Apr 6, 2026	79	2.05
Apr 5, 2026	78	2.05

Station Information

USGS Site No: 12148000
State: WA
County: King County
Coordinates: 47.6893, -121.7134
Drainage Area: 20 mi²
Datum (ft): 1,261.7
HUC Code: 17110010

View on USGS NWIS →

Recent Extremes

Max discharge: 1,380 cfs

Mar 20, 2026
Min discharge: 49 cfs

Nov 4, 2025

Computed from the local daily-values archive.

Nearby Gauges

Boxley Creek Near Edgewick, WA
16.6 mi · 61 cfs

Normal
Canyon Creek Near Cedar Falls, WA
18.8 mi · 27 cfs

Normal
Cedar River at Powerplant at Cedar Falls, WA
19.0 mi · 122 cfs

High
Cedar River at Cedar Falls, WA
19.2 mi · 115 cfs

Low
Taylor Creek Near Selleck, WA
21.8 mi · 69 cfs

Normal