Middle Allegheny-Tionesta HUC8 05010003
A 4,362 km² sub-basin of the Ohio region in PA. Drought coverage is from the US Drought Monitor (map of 2026-10-13); streamflow classes place each USGS gauge's latest reading against its own day-of-year record.
Health score
85
Healthy
Drought index
2
Abnormally dry
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
0%
of 5 reporting
Median flow
81%
p40 of record
Water assets
2,617
139 springs · 1,026 wells
USGS gauges (5)
- Allegheny River at Franklin, PA030255003,250 cfsp37 · normal
- Allegheny River at West Hickory, PA030160002,310 cfsp39 · normal
- Tionesta Creek at Lynch, PA0301750082 cfsp40 · normal
- Tionesta Creek at Tionesta Creek Dam, PA03020000160 cfsp40 · normal
- Oil Creek at Rouseville, PA03020500109 cfsp41 · normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-19 | 2 | 0 | 0/5 | p40 |
| 2026-10-18 | 2 | 0 | 0/5 | p43 |
| 2026-10-17 | 2 | 0 | 0/5 | p42 |
| 2026-10-16 | 2 | 0 | 0/5 | p39 |
| 2026-10-15 | 0 | 0 | 0/5 | p41 |
| 2026-10-14 | 0 | 0 | 0/5 | p51 |
| 2026-10-13 | 0 | 0 | 0/5 | p54 |
| 2026-10-12 | 0 | 0 | 0/5 | p55 |
| 2026-10-11 | 0 | 0 | 0/5 | p55 |
| 2026-10-10 | 0 | 0 | 0/5 | p58 |
| 2026-10-09 | 0 | 0 | 0/5 | p59 |
| 2026-10-08 | 0 | 0 | 0/5 | p58 |
| 2026-10-07 | 0 | 0 | 0/5 | p62 |
| 2026-10-06 | 0 | 0 | 0/5 | p66 |
Top water assets
- 71PA Well FO 14well
- 71PA Well WR 520well
- 71PA Well WR 520well
- 65Tionesta Creek At Lynch, Pariver
- 65Salmon Creekriver
- 65PA Well MR 2072well
- 65Allegheny River At Franklin, Pariver
- 65East Branch Oil Creekriver
- 65Tionesta Creek At Tionesta Creek Dam, Pariver
- 65Allegheny River At West Hickory, Pariver