Mongaup River Near Mongaup NY

USGS Site No: 01433500 • Mongaup River • Sullivan County, NY

Mongaup River Near Mongaup NY on the Mongaup River is currently at 205 cfs (Normal — 38th percentile for this date) . Gage height: 1.92 ft.

Reading from

↑ Upstream on Mongaup River
Mongaup River Below Swinging Bridge Reservoir NY
205
CFS Discharge
1.92
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 44
25th Low threshold 141
50th (Median) Normal (median) 269 Today: 205 cfs
75th High threshold 489
95th Very High threshold 727

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.

2.6k 1.3k 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 234 —
May 27, 2026 252 —
May 26, 2026 274 —
May 25, 2026 289 —
May 24, 2026 282 —
May 23, 2026 233 —
May 22, 2026 208 —
May 21, 2026 199 —
May 20, 2026 244 —
May 19, 2026 350 —
May 18, 2026 414 —
May 17, 2026 411 —
May 16, 2026 437 —
May 15, 2026 339 —
Apr 21, 2026 358 —
Apr 20, 2026 290 —
Apr 19, 2026 214 —
Apr 18, 2026 269 —
Apr 17, 2026 537 —
Apr 16, 2026 312 —
Apr 15, 2026 248 —
Apr 14, 2026 244 —
Apr 13, 2026 304 —
Apr 12, 2026 637 —
Apr 11, 2026 255 —
Apr 10, 2026 249 —
Apr 9, 2026 262 —
Apr 8, 2026 303 —
Apr 7, 2026 377 —
Apr 6, 2026 618 —

Station Information

USGS Site No
01433500
State
NY
County
Sullivan County
Coordinates
41.4612, -74.7588
Drainage Area
200 mi²
Datum (ft)
623.5
HUC Code
02040104
View on USGS NWIS →

Recent Extremes

Max discharge
1,830 cfs
May 11, 2025
Min discharge
79 cfs
Oct 17, 2025

Computed from the local daily-values archive.

Nearby Gauges

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