South Mayo River Near Nettleridge, VA

USGS Site No: 02069700 • South Mayo River • Patrick County, VA

South Mayo River Near Nettleridge, VA on the South Mayo River is currently at 57 cfs (Normal — 28th percentile for this date) . Gage height: 3.44 ft.

Reading from

57
CFS Discharge
3.44
Gage Height (ft)
Normal
Flow Condition
Normal
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 44
25th Low threshold 56
50th (Median) Normal (median) 64 Today: 57 cfs
75th High threshold 103
95th Very High threshold 254

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.

686 343 0 cfs Apr 6 May 28
10th–95th historical Day-of-year median Recent discharge

30-Day Flow History

Date Discharge (CFS) Gage Ht (ft)
May 28, 2026 135 —
May 27, 2026 130 —
May 26, 2026 106 —
May 25, 2026 74 —
May 24, 2026 104 —
May 23, 2026 44 —
May 22, 2026 34 —
May 21, 2026 28 —
May 20, 2026 29 —
May 19, 2026 30 —
May 18, 2026 32 —
May 17, 2026 34 —
May 16, 2026 35 —
May 15, 2026 35 —
Apr 21, 2026 42 —
Apr 20, 2026 42 —
Apr 19, 2026 43 —
Apr 18, 2026 44 —
Apr 17, 2026 45 —
Apr 16, 2026 46 —
Apr 15, 2026 48 —
Apr 14, 2026 49 —
Apr 13, 2026 51 —
Apr 12, 2026 52 —
Apr 11, 2026 52 —
Apr 10, 2026 52 —
Apr 9, 2026 52 —
Apr 8, 2026 53 —
Apr 7, 2026 57 —
Apr 6, 2026 69 —

Station Information

USGS Site No
02069700
State
VA
Coordinates
36.5710, -80.1295
Drainage Area
86 mi²
Datum (ft)
871.2
HUC Code
03010103
View on USGS NWIS →

Flood Stage Thresholds

Action Stage
10.0 ft
Flood Stage
12.0 ft
Moderate Flood
15.0 ft
Major Flood
18.0 ft

Currently 8.56 ft below flood stage.

Recent Extremes

Max discharge
339 cfs
Feb 16, 2026
Min discharge
28 cfs
May 21, 2026
Days at flood stage
0

Computed from the local daily-values archive.

Nearby Gauges