Lake Fork San Miguel Rv above Trout Lake near Ophir CO

USGS Site No: 09171240 • Lake Fork San Miguel River • San Miguel County, CO

Lake Fork San Miguel Rv above Trout Lake near Ophir CO on the Lake Fork San Miguel River is currently at 29 cfs (Low — 17th percentile for this date) . Gage height: 2.70 ft.

Reading from

29
CFS Discharge
2.70
Gage Height (ft)
Low
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 23
25th Low threshold 35 Today: 29 cfs
50th (Median) Normal (median) 63
75th High threshold 81
95th Very High threshold 0

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.

31 16 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 27 —
May 27, 2026 23 —
May 26, 2026 18 —
May 25, 2026 17 —
May 24, 2026 14 —
May 23, 2026 12 —
May 22, 2026 12 —
May 21, 2026 12 —
May 20, 2026 12 —
May 19, 2026 14 —
May 18, 2026 18 —
May 17, 2026 22 —
May 16, 2026 25 —
May 15, 2026 26 —
Apr 20, 2026 5 —
Apr 19, 2026 5 —
Apr 18, 2026 5 —
Apr 17, 2026 6 —
Apr 16, 2026 6 —
Apr 15, 2026 6 —
Apr 14, 2026 6 —
Apr 13, 2026 6 —
Apr 12, 2026 7 —
Apr 11, 2026 7 —
Apr 10, 2026 7 —
Apr 9, 2026 6 —
Apr 8, 2026 6 —
Apr 7, 2026 6 —
Apr 6, 2026 7 —
Apr 5, 2026 7 —

Station Information

USGS Site No
09171240
State
CO
County
San Miguel County
Coordinates
37.8178, -107.8791
Drainage Area
9 mi²
Datum (ft)
9,740.0
HUC Code
14030003
View on USGS NWIS →

Recent Extremes

Max discharge
93 cfs
Oct 14, 2025
Min discharge
2 cfs
Mar 7, 2026

Computed from the local daily-values archive.

Nearby Gauges

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