Oswegatchie River Near Oswegatchie NY

USGS Site No: 04262000Oswegatchie River • St. Lawrence County, NY

Oswegatchie River Near Oswegatchie NY on the Oswegatchie River is currently at 390 cfs (Normal — 54th percentile for this date) . Gage height: 2.88 ft.

Reading from

390
CFS Discharge
2.88
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 193
25th Low threshold 263
50th (Median) Normal (median) 368
75th High threshold 499 Today: 390 cfs
95th Very High threshold 1,070

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 486
May 27, 2026 683
May 26, 2026 722
May 25, 2026 641
May 24, 2026 449
May 23, 2026 443
May 22, 2026 420
May 21, 2026 647
May 20, 2026 743
May 19, 2026 805
May 18, 2026 845
May 17, 2026 868
May 16, 2026 918
May 15, 2026 914
Apr 21, 2026 1,690
Apr 20, 2026 2,190
Apr 19, 2026 2,310
Apr 18, 2026 1,770
Apr 17, 2026 1,490
Apr 16, 2026 1,290
Apr 15, 2026 1,260
Apr 14, 2026 671
Apr 13, 2026 422
Apr 12, 2026 606
Apr 11, 2026 933
Apr 10, 2026 1,300
Apr 9, 2026 1,650
Apr 8, 2026 1,780
Apr 7, 2026 1,880
Apr 6, 2026 2,030

Station Information

USGS Site No
04262000
State
NY
Coordinates
44.2226, -75.0743
Drainage Area
259 mi²
Datum (ft)
1,016.1
HUC Code
04150302
View on USGS NWIS →

Recent Extremes

Max discharge
2,740 cfs
Mar 12, 2026
Min discharge
155 cfs
Sep 8, 2025

Computed from the local daily-values archive.