Atascosa Rv near Mccoy, TX

USGS Site No: 08207500 • Atascosa River • Atascosa County, TX

Atascosa Rv near Mccoy, TX on the Atascosa River is currently at 39 cfs (High — 75th percentile for this date) . Gage height: 8.08 ft.

Reading from

Downstream on Atascosa River ↓
Atascosa Rv at Whitsett, TX
39
CFS Discharge
8.08
Gage Height (ft)
High
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 0
50th (Median) Normal (median) 2
75th High threshold 12
95th Very High threshold 2,560 Today: 39 cfs

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.

4.1k 2.1k 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 188 11.30
May 27, 2026 36 7.81
May 26, 2026 27 7.57
May 25, 2026 100 9.61
May 24, 2026 61 8.65
May 23, 2026 23 7.35
May 22, 2026 48 8.30
May 21, 2026 122 9.95
May 20, 2026 35 7.77
May 19, 2026 3 5.84
May 18, 2026 4 6.03
May 17, 2026 6 6.22
May 16, 2026 7 6.34
May 15, 2026 10 6.53
Apr 20, 2026 21 6.76
Apr 19, 2026 5 5.44
Apr 18, 2026 0 5.02
Apr 17, 2026 1 5.13
Apr 16, 2026 1 5.22
Apr 15, 2026 1 5.21
Apr 14, 2026 0 5.02
Apr 13, 2026 0 4.98
Apr 12, 2026 1 5.07
Apr 11, 2026 1 5.15
Apr 10, 2026 1 5.03
Apr 9, 2026 1 5.04
Apr 8, 2026 0 4.83
Apr 7, 2026 0 4.84
Apr 6, 2026 0 4.71
Apr 5, 2026 0 4.65

Station Information

USGS Site No
08207500
State
TX
County
Atascosa County
Coordinates
28.8650, -98.3383
Drainage Area
530 mi²
Datum (ft)
247.6
HUC Code
12110110
View on USGS NWIS →

Recent Extremes

Max discharge
277 cfs
Jun 13, 2025
Min discharge
0 cfs
Apr 6, 2026

Computed from the local daily-values archive.

Nearby Gauges

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