How high is the Mill Creek at Walla Walla, WA right now?

The Mill Creek at Walla Walla, WA is currently flowing at 32 cubic feet per second with a gage height of 1.90 feet, based on the most recent USGS instantaneous reading.

Is the flow on the Mill Creek at Walla Walla, WA normal for this time of year?

Current flow is classified as normal for June 11. Today's discharge is at the 57th percentile compared to the long-term historical record at this gauge.

What is the historical median flow for the Mill Creek at Walla Walla, WA on June 11?

The long-term median discharge for this date is 25 cfs based on USGS daily statistics. The 10th–95th percentile range historically is 0 to 339 cfs.

Where is the Mill Creek at Walla Walla, WA stream gauge located?

The Mill Creek at Walla Walla, WA stream gauge is operated by the USGS in Walla Walla County, WA on the Mill Creek. USGS site number 14015000 (coordinates 46.0762, -118.2736).

Mill Creek at Walla Walla, WA

USGS Site No: 14015000 • Mill Creek • Walla Walla County, WA

Mill Creek at Walla Walla, WA on the Mill Creek is currently at 32 cfs (Normal — 57th percentile for this date) . Gage height: 1.90 ft.

Reading from 1 week ago

↑ Upstream on Mill Creek

Mill Creek at Five Mile Road Branch near Walla Walla, WA

CFS Discharge

1.90

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	0
25th	Low threshold	6
50th (Median)	Normal (median)	25
75th	High threshold	53	Today: 32 cfs
95th	Very High threshold	339

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	25	1.86
May 27, 2026	29	1.88
May 26, 2026	34	1.92
May 25, 2026	25	1.87
May 24, 2026	23	1.86
May 23, 2026	26	1.89
May 22, 2026	31	1.92
May 21, 2026	31	1.93
May 20, 2026	36	1.96
May 19, 2026	40	1.99
May 18, 2026	54	2.06
May 17, 2026	67	2.12
May 16, 2026	62	2.10
May 15, 2026	55	2.08
Apr 20, 2026	241	2.68
Apr 19, 2026	277	2.76
Apr 18, 2026	339	2.87
Apr 17, 2026	414	3.01
Apr 16, 2026	474	3.12
Apr 15, 2026	462	3.10
Apr 14, 2026	504	3.17
Apr 13, 2026	401	2.97
Apr 12, 2026	106	2.35
Apr 11, 2026	106	2.35
Apr 10, 2026	111	2.36
Apr 9, 2026	117	2.38
Apr 8, 2026	126	2.41
Apr 7, 2026	137	2.44
Apr 6, 2026	147	2.46
Apr 5, 2026	156	2.49

Station Information

USGS Site No: 14015000
State: WA
County: Walla Walla County
Coordinates: 46.0762, -118.2736
Drainage Area: 96 mi²
Datum (ft): 1,120.0
HUC Code: 17070102

View on USGS NWIS →

Recent Extremes

Max discharge: 1,550 cfs

Mar 14, 2026
Min discharge: 2 cfs

Jul 12, 2025

Computed from the local daily-values archive.

Nearby Gauges

Mill Creek at Five Mile Road Branch near Walla Walla, WA
2.3 mi · 43 cfs

Normal
Blue Creek Near Walla Walla, WA
6.5 mi · 2 cfs

Very High
Mill Creek at Last Chance Road Branch near College Place, WA
8.7 mi · 22 cfs

Normal
Mill Creek Near Walla Walla, WA
8.8 mi · 44 cfs

Low
Walla Walla River Near Touchet, WA
22.1 mi · 130 cfs

Normal