East Fork Lewis River Near Heisson, WA

USGS Site No: 14222500East Fork Lewis River • Clark County, WA

East Fork Lewis River Near Heisson, WA on the East Fork Lewis River is currently at 181 cfs (Low — 23th percentile for this date) . Gage height: 11.14 ft.

Reading from

181
CFS Discharge
11.14
Gage Height (ft)
Low
Flow Condition
Normal
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 152
25th Low threshold 186 Today: 181 cfs
50th (Median) Normal (median) 278
75th High threshold 430
95th Very High threshold 1,290

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.

2.8k 1.4k 0 cfs Apr 5 May 28
10th–95th historical Day-of-year median Recent discharge

30-Day Flow History

Date Discharge (CFS) Gage Ht (ft)
May 28, 2026 187 11.17
May 27, 2026 199 11.23
May 26, 2026 224 11.34
May 25, 2026 210 11.28
May 24, 2026 214 11.30
May 23, 2026 228 11.36
May 22, 2026 242 11.42
May 21, 2026 261 11.50
May 20, 2026 283 11.59
May 19, 2026 309 11.68
May 18, 2026 352 11.83
May 17, 2026 434 12.08
May 16, 2026 438 12.09
May 15, 2026 313 11.69
Apr 20, 2026 559 12.42
Apr 19, 2026 627 12.58
Apr 18, 2026 707 12.76
Apr 17, 2026 800 12.95
Apr 16, 2026 952 13.24
Apr 15, 2026 1,240 13.67
Apr 14, 2026 443 12.10
Apr 13, 2026 403 11.99
Apr 12, 2026 366 11.88
Apr 11, 2026 420 12.04
Apr 10, 2026 373 11.90
Apr 9, 2026 398 11.98
Apr 8, 2026 428 12.07
Apr 7, 2026 466 12.17
Apr 6, 2026 511 12.30
Apr 5, 2026 563 12.43

Station Information

USGS Site No
14222500
State
WA
County
Clark County
Coordinates
45.8368, -122.4662
Drainage Area
125 mi²
Datum (ft)
356.8
HUC Code
17080002
View on USGS NWIS →

Flood Stage Thresholds

Action Stage
19.0 ft
Flood Stage
20.0 ft

Currently 8.86 ft below flood stage.

Recent Extremes

Max discharge
10,700 cfs
Dec 9, 2025
Min discharge
33 cfs
Sep 28, 2025
Days at flood stage
0

Computed from the local daily-values archive.

Nearby Gauges