Upper Susquehanna HUC8 02050101
A 5,927 km² sub-basin of the Mid-Atlantic region in NY, PA. Drought coverage is from the US Drought Monitor (map of 2026-09-01); streamflow classes place each USGS gauge's latest reading against its own day-of-year record.
Health score
76
Healthy
Drought index
12
Abnormally dry
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
0%
of 6 reporting
Median flow
302%
p84 of record
Water assets
2,833
22 springs · 2,087 wells
USGS gauges (6)
- UNADILLA RIVER AT ROCKDALE NY01502500241 cfsp74 · normal
- SUSQUEHANNA RIVER AT WINDSOR NY015027311,650 cfsp78 · above normal
- SUSQUEHANNA RIVER AT BAINBRIDGE NY015026321,390 cfsp79 · above normal
- SUSQUEHANNA RIVER AT CONKLIN NY015030002,380 cfsp89 · above normal
- SUSQUEHANNA RIVER AT UNADILLA NY01500500933 cfsp90 · above normal
- OULEOUT CREEK AT EAST SIDNEY NY01500000199 cfsp95 · much above normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 12 | 0 | 0/6 | p84 |
Top water assets
- 67East Sidney Damreservoir
- 66Colliersvillereservoir
- 66Joseph Torch Lake Damreservoir
- 66Mill Brook Site 1 Damreservoir
- 66Nathaniel Cole Park Damreservoir
- 66Mill Brook Site 2 Damreservoir
- 65Susquehanna River At Windsor Nyriver
- 65Aubrey Elliot Wildlife Damreservoir
- 65Huntley Damreservoir
- 65Conklin Players Club Damreservoir