Ellicott Creek Below Williamsville NY
USGS Site No: 04218518 • Ellicott Creek • Erie County, NY
Ellicott Creek Below Williamsville NY on the Ellicott Creek is currently at 108 cfs (Normal — 65th percentile for this date) . Gage height: 2.37 ft.
Reading from
Historical Percentile Comparison
Today's discharge compared to the long-term record for October 28 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 | 24 | |
| 25th | Low threshold | 36 | |
| 50th (Median) | Normal (median) | 53 | |
| 75th | High threshold | 147 | Today: 108 cfs |
| 95th | Very High threshold | 483 |
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 | 133 | — |
| May 27, 2026 | 191 | — |
| May 26, 2026 | 400 | — |
| May 25, 2026 | 596 | — |
| May 24, 2026 | 780 | — |
| May 23, 2026 | 254 | — |
| May 22, 2026 | 111 | — |
| May 21, 2026 | 129 | — |
| May 20, 2026 | 150 | — |
| May 19, 2026 | 146 | — |
| May 18, 2026 | 166 | — |
| May 17, 2026 | 170 | — |
| May 16, 2026 | 145 | — |
| May 15, 2026 | 142 | — |
| Apr 21, 2026 | 351 | — |
| Apr 20, 2026 | 598 | — |
| Apr 19, 2026 | 617 | — |
| Apr 18, 2026 | 619 | — |
| Apr 17, 2026 | 600 | — |
| Apr 16, 2026 | 366 | — |
| Apr 15, 2026 | 199 | — |
| Apr 14, 2026 | 164 | — |
| Apr 13, 2026 | 146 | — |
| Apr 12, 2026 | 137 | — |
| Apr 11, 2026 | 144 | — |
| Apr 10, 2026 | 154 | — |
| Apr 9, 2026 | 174 | — |
| Apr 8, 2026 | 217 | — |
| Apr 7, 2026 | 308 | — |
| Apr 6, 2026 | 569 | — |
Station Information
- USGS Site No
- 04218518
- State
- NY
- County
- Erie County
- Coordinates
- 42.9779, -78.7637
- Drainage Area
- 80 mi²
- Datum (ft)
- 586.0
- HUC Code
- 04120104
Flood Stage Thresholds
- Action Stage
- 6.0 ft
- Flood Stage
- 8.0 ft
- Moderate Flood
- 10.0 ft
- Major Flood
- 12.0 ft
Currently 5.63 ft below flood stage.
Recent Extremes
- Max discharge
-
1,610 cfsApr 1, 2026
- Min discharge
-
20 cfsSep 21, 2025
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Buffalo Creek at Gardenville NYNormal8.5 mi · 82 cfs
-
Cayuga Creek Near Lancaster NYNormal8.5 mi · 47 cfs
-
Tonawanda Creek at Rapids NYHigh10.3 mi · 354 cfs
-
Cazenovia Creek at Ebenezer NYNormal10.3 mi · 126 cfs
-
Niagara River at Buffalo NYUnknown10.4 mi