Parker River at Byfield, MA
USGS Site No: 01101000 • Parker River • Essex County, MA
Parker River at Byfield, MA on the Parker River is currently at 4 cfs (Very Low — 6th percentile for this date) . Gage height: 0.47 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 | 7 | Today: 4 cfs |
| 25th | Low threshold | 10 | |
| 50th (Median) | Normal (median) | 21 | |
| 75th | High threshold | 36 | |
| 95th | Very High threshold | 126 |
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 | 6 | — |
| May 27, 2026 | 8 | — |
| May 26, 2026 | 9 | — |
| May 25, 2026 | 7 | — |
| May 24, 2026 | 3 | — |
| May 21, 2026 | 7 | — |
| May 20, 2026 | 10 | — |
| May 19, 2026 | 12 | — |
| May 18, 2026 | 14 | — |
| May 17, 2026 | 17 | — |
| May 16, 2026 | 19 | — |
| May 15, 2026 | 18 | — |
| Oct 14, 2025 | 0 | — |
| Oct 13, 2025 | 0 | — |
| Oct 12, 2025 | 0 | — |
| Oct 11, 2025 | 0 | — |
| Oct 10, 2025 | 0 | — |
| Oct 9, 2025 | 0 | — |
| Oct 8, 2025 | 0 | — |
| Oct 7, 2025 | 0 | — |
| Oct 6, 2025 | 0 | — |
| Oct 5, 2025 | 0 | — |
| Oct 4, 2025 | 0 | — |
| Oct 3, 2025 | 0 | — |
| Oct 2, 2025 | 0 | — |
| Oct 1, 2025 | 0 | — |
| Sep 30, 2025 | 0 | — |
| Sep 29, 2025 | 0 | — |
| Sep 28, 2025 | 0 | — |
| Sep 27, 2025 | 0 | — |
Station Information
- USGS Site No
- 01101000
- State
- MA
- County
- Essex County
- Coordinates
- 42.7529, -70.9456
- Drainage Area
- 21 mi²
- Datum (ft)
- 22.7
- HUC Code
- 01090001
Recent Extremes
- Max discharge
-
106 cfsMay 25, 2025
- Min discharge
-
0 cfsOct 13, 2025
Computed from the local daily-values archive.
Nearby Gauges
-
Ipswich River Near Ipswich, MANormal6.9 mi · 73 cfs
-
Shawsheen River at Balmoral Street at Andover, MALow11.8 mi · 44 cfs
-
Ipswich River at South Middleton, MANormal13.3 mi · 29 cfs
-
Shawsheen River Near Wilmington, MANormal18.7 mi · 18 cfs
-
Merrimack River below Concord River at Lowell, MANormal19.4 mi · 7,160 cfs