Saco River at Cornish, Maine
USGS Site No: 01066000 • Saco River • Cumberland County, ME
Saco River at Cornish, Maine on the Saco River is currently at 3,920 cfs (High — 78th percentile for this date) . Gage height: 5.16 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 | 1,140 | |
| 25th | Low threshold | 1,550 | |
| 50th (Median) | Normal (median) | 2,160 | |
| 75th | High threshold | 3,400 | |
| 95th | Very High threshold | 6,450 | Today: 3,920 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.
30-Day Flow History
| Date | Discharge (CFS) | Gage Ht (ft) |
|---|---|---|
| May 28, 2026 | 4,420 | — |
| May 27, 2026 | 4,610 | — |
| May 26, 2026 | 4,790 | — |
| May 25, 2026 | 4,370 | — |
| May 24, 2026 | 4,140 | — |
| May 23, 2026 | 4,770 | — |
| May 22, 2026 | 5,470 | — |
| May 21, 2026 | 6,520 | — |
| May 20, 2026 | 7,730 | — |
| May 19, 2026 | 8,340 | — |
| May 18, 2026 | 8,430 | — |
| May 17, 2026 | 7,680 | — |
| May 16, 2026 | 6,580 | — |
| May 15, 2026 | 4,850 | — |
| Apr 21, 2026 | 5,870 | — |
| Apr 20, 2026 | 6,130 | — |
| Apr 19, 2026 | 5,890 | — |
| Apr 18, 2026 | 5,570 | — |
| Apr 17, 2026 | 5,230 | — |
| Apr 16, 2026 | 4,500 | — |
| Apr 15, 2026 | 4,240 | — |
| Apr 14, 2026 | 4,190 | — |
| Apr 13, 2026 | 4,320 | — |
| Apr 12, 2026 | 4,410 | — |
| Apr 11, 2026 | 4,760 | — |
| Apr 10, 2026 | 5,050 | — |
| Apr 9, 2026 | 5,340 | — |
| Apr 8, 2026 | 5,580 | — |
| Apr 7, 2026 | 5,490 | — |
| Apr 6, 2026 | 5,330 | — |
Station Information
- USGS Site No
- 01066000
- State
- ME
- County
- Cumberland County
- Coordinates
- 43.8081, -70.7817
- Drainage Area
- 1,294 mi²
- Datum (ft)
- 262.9
- HUC Code
- 01060002
Flood Stage Thresholds
- Action Stage
- 10.0 ft
- Flood Stage
- 13.5 ft
- Moderate Flood
- 15.0 ft
- Major Flood
- 16.0 ft
Currently 8.34 ft below flood stage.
Recent Extremes
- Max discharge
-
8,430 cfsMay 18, 2026
- Min discharge
-
251 cfsAug 28, 2025
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Stony Brook at East Sebago, MaineHigh7.8 mi · 2 cfs
-
Saco River Near Conway, NHNormal19.9 mi · 901 cfs
-
Presumpscot River Near West Falmouth, MaineNormal24.6 mi · 601 cfs
-
Bearcamp River at South Tamworth, NHNormal25.3 mi · 102 cfs
-
Mousam River at Route 4 Near Sanford, MaineVery High27.0 mi · 80 cfs