Plum Ck at Lockhart, TX
USGS Site No: 08172400 • Plum Creek • Caldwell County, TX
Plum Ck at Lockhart, TX on the Plum Creek is currently at 40 cfs (Normal — 66th percentile for this date) . Gage height: 2.90 ft.
Reading from
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) | 4 | |
| 75th | High threshold | 60 | Today: 40 cfs |
| 95th | Very High threshold | 930 |
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.
30-Day Flow History
| Date | Discharge (CFS) | Gage Ht (ft) |
|---|---|---|
| May 28, 2026 | 79 | 3.78 |
| May 27, 2026 | 115 | 4.25 |
| May 26, 2026 | 20 | 2.39 |
| May 25, 2026 | 22 | 2.45 |
| May 24, 2026 | 29 | 2.60 |
| May 23, 2026 | 37 | 2.82 |
| May 22, 2026 | 48 | 3.10 |
| May 21, 2026 | 40 | 2.91 |
| May 20, 2026 | 21 | 2.44 |
| May 19, 2026 | 11 | 2.17 |
| May 18, 2026 | 13 | 2.21 |
| May 17, 2026 | 15 | 2.28 |
| May 16, 2026 | 19 | 2.38 |
| May 15, 2026 | 25 | 2.49 |
| Apr 20, 2026 | 37 | 2.81 |
| Apr 19, 2026 | 26 | 2.55 |
| Apr 18, 2026 | 11 | 2.15 |
| Apr 17, 2026 | 12 | 2.18 |
| Apr 16, 2026 | 13 | 2.23 |
| Apr 15, 2026 | 16 | 2.31 |
| Apr 14, 2026 | 20 | 2.41 |
| Apr 13, 2026 | 21 | 2.43 |
| Apr 12, 2026 | 19 | 2.38 |
| Apr 11, 2026 | 22 | 2.43 |
| Apr 10, 2026 | 23 | 2.48 |
| Apr 9, 2026 | 13 | 2.22 |
| Apr 8, 2026 | 14 | 2.25 |
| Apr 7, 2026 | 15 | 2.29 |
| Apr 6, 2026 | 21 | 2.42 |
| Apr 5, 2026 | 45 | 3.00 |
Station Information
- USGS Site No
- 08172400
- State
- TX
- County
- Caldwell County
- Coordinates
- 29.9230, -97.6792
- Drainage Area
- 112 mi²
- Datum (ft)
- 430.7
- HUC Code
- 12100203
Flood Stage Thresholds
- Action Stage
- 12.0 ft
- Flood Stage
- 14.0 ft
- Moderate Flood
- 15.0 ft
- Major Flood
- 19.0 ft
Currently 11.10 ft below flood stage.
Recent Extremes
- Max discharge
-
125 cfsMay 28, 2025
- Min discharge
-
4 cfsSep 28, 2025
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Maha Ck at Von Quintus Road near Del Valle, TXVery High11.9 mi · 4 cfs
-
Onion Ck at Twin Creeks Road near Manchaca, TXNormal16.4 mi · 4 cfs
-
Onion Ck at Us Highway 183, Austin, TXNormal17.6 mi · 12 cfs
-
Eastern Tributary To Dry Ck near Del Valle, TXNormal18.4 mi · 0 cfs
-
Williamson Ck at Jimmy Clay Road, Austin, TXNormal18.7 mi · 0 cfs