Upper Allegheny HUC8 05010001
A 6,712 km² sub-basin of the Ohio 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
79
Healthy
Drought index
0
None
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
13%
of 8 reporting
Median flow
325%
p84 of record
Water assets
4,310
23 springs · 1,415 wells
USGS gauges (9)
- Allegheny River at Kinzua Dam, PA030125501,300 cfsp24 · below normal
- Oswayo Creek at Shinglehouse, PA0301065548 cfsp79 · above normal
- ALLEGHENY RIVER AT OLEAN NY03010820928 cfsp83 · above normal
- Allegheny River at Port Allegany, PA03007800220 cfsp84 · above normal
- ALLEGHENY RIVER AT SALAMANCA NY030110201,240 cfsp84 · above normal
- Allegheny River at Eldred, PA03010500503 cfsp85 · above normal
- Brokenstraw Creek at Youngsville, PA03015500306 cfsp87 · above normal
- Kinzua Creek near Guffey, PA0301180053 cfsp88 · above normal
- ISCHUA CR AT ISCHUA VALLEY CC NR FRANKLINVILLE NY0301074716 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 0 | 0 | 1/8 | p84 |
Top water assets
- 74PA Well WR 363well
- 74PA Well WR 364well
- 71PA Well WR 367well
- 71PA Well WR 361well
- 71PA Well WR 362well
- 71PA Well WR 362well
- 67Threemile Runriver
- 67Kinzua Creekriver
- 67Kinzua Creekriver
- 67Nelson Runriver