North Main Drain at Boca Chica Highway, Brownsville, TX

USGS Site No: 08474095 • Cameron County, TX

North Main Drain at Boca Chica Highway, Brownsville, TX is currently at 1 cfs (Normal — 51th percentile for this date) . Gage height: 16.51 ft.

Reading from

1
CFS Discharge
16.51
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 1
50th (Median) Normal (median) 1
75th High threshold 2 Today: 1 cfs
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.

83 42 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 5
May 28, 2026 19
May 27, 2026 77
May 26, 2026 1
May 25, 2026 3
May 24, 2026 13
May 23, 2026 22
May 22, 2026 3
May 21, 2026 11
May 20, 2026 2
May 19, 2026 0
May 18, 2026 0
May 17, 2026 0
May 16, 2026 0
May 15, 2026 0
Apr 21, 2026 1
Apr 20, 2026 1
Apr 19, 2026 0
Apr 18, 2026 0
Apr 17, 2026 0
Apr 16, 2026 0
Apr 15, 2026 0
Apr 14, 2026 0
Apr 13, 2026 0
Apr 12, 2026 0
Apr 11, 2026 0
Apr 10, 2026 0
Apr 9, 2026 0
Apr 8, 2026 0
Apr 7, 2026 1

Station Information

USGS Site No
08474095
State
TX
Coordinates
25.9216, -97.4754
Datum (ft)
0.0
HUC Code
12110208
View on USGS NWIS →

Recent Extremes

Max discharge
117 cfs
Jul 1, 2025
Min discharge
0 cfs
Apr 18, 2026

Computed from the local daily-values archive.