Ponaganset River at South Foster, RI

USGS Site No: 01115187 • Ponaganset River • Providence County, RI

Ponaganset River at South Foster, RI on the Ponaganset River is currently at 5 cfs (Low — 14th percentile for this date) . Gage height: 1.52 ft.

Reading from

5
CFS Discharge
1.52
Gage Height (ft)
Low
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 4
25th Low threshold 7 Today: 5 cfs
50th (Median) Normal (median) 9
75th High threshold 20
95th Very High threshold 146

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.

368 184 0 cfs Apr 6 May 28
10th–95th historical Day-of-year median Recent discharge

30-Day Flow History

Date Discharge (CFS) Gage Ht (ft)
May 28, 2026 7 —
May 27, 2026 10 —
May 26, 2026 17 —
May 25, 2026 22 —
May 24, 2026 8 —
May 23, 2026 4 —
May 22, 2026 4 —
May 21, 2026 5 —
May 20, 2026 5 —
May 19, 2026 7 —
May 18, 2026 9 —
May 17, 2026 11 —
May 16, 2026 14 —
May 15, 2026 18 —
Apr 21, 2026 20 —
Apr 20, 2026 24 —
Apr 19, 2026 27 —
Apr 18, 2026 37 —
Apr 17, 2026 33 —
Apr 16, 2026 28 —
Apr 15, 2026 20 —
Apr 14, 2026 21 —
Apr 13, 2026 22 —
Apr 12, 2026 23 —
Apr 11, 2026 25 —
Apr 10, 2026 27 —
Apr 9, 2026 30 —
Apr 8, 2026 33 —
Apr 7, 2026 39 —
Apr 6, 2026 49 —

Station Information

USGS Site No
01115187
State
RI
County
Providence County
Coordinates
41.8187, -71.7051
Drainage Area
14 mi²
Datum (ft)
348.2
HUC Code
01090004
View on USGS NWIS →

Recent Extremes

Max discharge
291 cfs
Mar 17, 2026
Min discharge
1 cfs
Sep 4, 2025

Computed from the local daily-values archive.

Nearby Gauges

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