South River Near Conway, MA

USGS Site No: 01169900 • South River • Franklin County, MA

South River Near Conway, MA on the South River is currently at 20 cfs (Normal — 31th percentile for this date) . Gage height: 1.72 ft.

Reading from

20
CFS Discharge
1.72
Gage Height (ft)
Normal
Flow Condition
N/A
Flood Status

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 14
25th Low threshold 18
50th (Median) Normal (median) 27 Today: 20 cfs
75th High threshold 49
95th Very High threshold 109

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.

662 331 0 cfs Apr 2 May 28
10th–95th historical Day-of-year median Recent discharge

30-Day Flow History

Date Discharge (CFS) Gage Ht (ft)
May 28, 2026 23 —
May 27, 2026 28 —
May 26, 2026 35 —
May 25, 2026 60 —
May 24, 2026 37 —
May 23, 2026 17 —
May 22, 2026 18 —
May 21, 2026 19 —
May 20, 2026 21 —
May 19, 2026 22 —
May 18, 2026 24 —
May 16, 2026 33 —
May 15, 2026 45 —
Apr 21, 2026 41 —
Apr 20, 2026 53 —
Apr 19, 2026 55 —
Apr 18, 2026 40 —
Apr 17, 2026 44 —
Apr 13, 2026 42 —
Apr 12, 2026 42 —
Apr 11, 2026 46 —
Apr 10, 2026 48 —
Apr 9, 2026 51 —
Apr 8, 2026 55 —
Apr 7, 2026 61 —
Apr 6, 2026 66 —
Apr 5, 2026 72 —
Apr 4, 2026 76 —
Apr 3, 2026 96 —
Apr 2, 2026 104 —

Station Information

USGS Site No
01169900
State
MA
County
Franklin County
Coordinates
42.5419, -72.6937
Drainage Area
24 mi²
Datum (ft)
453.2
HUC Code
01080203
View on USGS NWIS →

Recent Extremes

Max discharge
577 cfs
May 6, 2025
Min discharge
4 cfs
Sep 21, 2025

Computed from the local daily-values archive.

Nearby Gauges

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