Kvichak River at Igiugig AK

USGS Site No: 15300500 • Kvichak River • Lake and Peninsula Borough, AK

Kvichak River at Igiugig AK on the Kvichak River is currently at 10,900 cfs (Very Low — 7th percentile for this date) . Gage height: 11.29 ft.

Reading from

10,900
CFS Discharge
11.29
Gage Height (ft)
Very Low
Flow Condition
N/A
Flood Status

Historical Percentile Comparison

Today's discharge compared to the long-term record for October 27 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 16,500 Today: 10,900 cfs
25th Low threshold 18,500
50th (Median) Normal (median) 24,300
75th High threshold 29,000
95th Very High threshold 37,800

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.

23k 12k 0 cfs Apr 7 May 29
10th–95th historical Day-of-year median Recent discharge

30-Day Flow History

Date Discharge (CFS) Gage Ht (ft)
May 29, 2026 10,700 —
May 28, 2026 10,800 —
May 27, 2026 11,600 —
May 26, 2026 11,700 —
May 25, 2026 11,700 —
May 24, 2026 11,400 —
May 23, 2026 11,400 —
May 22, 2026 11,400 —
May 21, 2026 11,400 —
May 20, 2026 11,300 —
May 19, 2026 11,200 —
May 18, 2026 11,400 —
May 17, 2026 11,100 —
May 16, 2026 11,500 —
May 15, 2026 11,000 —
Apr 21, 2026 9,830 —
Apr 20, 2026 9,820 —
Apr 19, 2026 9,800 —
Apr 18, 2026 9,820 —
Apr 17, 2026 9,800 —
Apr 16, 2026 9,860 —
Apr 15, 2026 9,860 —
Apr 14, 2026 9,800 —
Apr 13, 2026 9,740 —
Apr 12, 2026 9,810 —
Apr 11, 2026 9,940 —
Apr 10, 2026 9,930 —
Apr 9, 2026 9,950 —
Apr 8, 2026 10,000 —
Apr 7, 2026 10,100 —

Station Information

USGS Site No
15300500
State
AK
Coordinates
59.3289, -155.8992
Drainage Area
6,400 mi²
Datum (ft)
28.2
HUC Code
190302061401
View on USGS NWIS →

Recent Extremes

Max discharge
22,100 cfs
Aug 6, 2025
Min discharge
9,740 cfs
Apr 13, 2026

Computed from the local daily-values archive.