Conestoga River at Lancaster, PA
USGS Site No: 01576500 • Conestoga River • Lancaster County, PA
Conestoga River at Lancaster, PA on the Conestoga River is currently at 168 cfs (Low — 23th percentile for this date) . Gage height: 3.35 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 | 129 | |
| 25th | Low threshold | 173 | Today: 168 cfs |
| 50th (Median) | Normal (median) | 281 | |
| 75th | High threshold | 395 | |
| 95th | Very High threshold | 844 |
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 | 184 | — |
| May 27, 2026 | 210 | — |
| May 26, 2026 | 254 | — |
| May 25, 2026 | 373 | — |
| May 24, 2026 | 334 | — |
| May 23, 2026 | 175 | — |
| May 22, 2026 | 167 | — |
| May 21, 2026 | 142 | — |
| May 20, 2026 | 135 | — |
| May 19, 2026 | 139 | — |
| May 18, 2026 | 149 | — |
| May 17, 2026 | 155 | — |
| May 16, 2026 | 164 | — |
| May 15, 2026 | 190 | — |
| Apr 21, 2026 | 221 | — |
| Apr 20, 2026 | 267 | — |
| Apr 19, 2026 | 231 | — |
| Apr 18, 2026 | 221 | — |
| Apr 17, 2026 | 228 | — |
| Apr 16, 2026 | 236 | — |
| Apr 15, 2026 | 244 | — |
| Apr 14, 2026 | 249 | — |
| Apr 13, 2026 | 250 | — |
| Apr 12, 2026 | 266 | — |
| Apr 11, 2026 | 274 | — |
| Apr 10, 2026 | 277 | — |
| Apr 9, 2026 | 285 | — |
| Apr 8, 2026 | 310 | — |
| Apr 7, 2026 | 348 | — |
| Apr 6, 2026 | 474 | — |
Station Information
- USGS Site No
- 01576500
- State
- PA
- County
- Lancaster County
- Coordinates
- 40.0501, -76.2772
- Drainage Area
- 324 mi²
- Datum (ft)
- 245.6
- HUC Code
- 02050306
Flood Stage Thresholds
- Action Stage
- 9.0 ft
- Flood Stage
- 11.0 ft
- Moderate Flood
- 13.0 ft
- Major Flood
- 15.0 ft
Currently 7.65 ft below flood stage.
Recent Extremes
- Max discharge
-
7,470 cfsJul 1, 2025
- Min discharge
-
88 cfsJan 25, 2026
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Susquehanna River at Marietta, PAHigh13.4 mi · 56,300 cfs
-
Octoraro Creek Near Richardsmere, MDNormal25.2 mi · 158 cfs
-
Susquehanna River at Conowingo, MDHigh27.6 mi · 66,400 cfs
-
Deer Creek at Rocks, MDNormal29.8 mi · 81 cfs
-
Deer Creek Near Darlington, MDLow30.2 mi · 138 cfs