Clarion HUC8 05010005
A 3,234 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
74
Moderate
Drought index
0
None
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
50%
of 6 reporting
Median flow
62%
p26 of record
Water assets
2,575
97 springs · 1,390 wells
USGS gauges (7)
- Clarion River at Johnsonburg, PA03028500113 cfsp15 · below normal
- EB Clarion River at EB Clarion River Dam, PA0302750072 cfsp22 · below normal
- Clarion River near Piney, PA03030500254 cfsp23 · below normal
- Sevenmile Run near Rasselas, PA030265002 cfsp29 · normal
- West Branch Clarion River at Wilcox, PA0302800024 cfsp31 · normal
- Clarion River at Cooksburg, PA03029500425 cfsp52 · normal
- Clarion River at Ridgway, PA03029000171 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-20 | 0 | 0 | 3/6 | p26 |
| 2026-10-19 | 0 | 0 | 1/6 | p38 |
| 2026-10-18 | 0 | 0 | 0/6 | p43 |
| 2026-10-17 | 0 | 0 | 1/6 | p48 |
| 2026-10-16 | 0 | 0 | 1/6 | p37 |
| 2026-10-15 | 0 | 0 | 1/6 | p37 |
| 2026-10-14 | 0 | 0 | 1/6 | p39 |
| 2026-10-13 | 0 | 0 | 0/6 | p49 |
| 2026-10-12 | 0 | 0 | 0/6 | p52 |
| 2026-10-11 | 0 | 0 | 1/6 | p47 |
| 2026-10-10 | 0 | 0 | 0/6 | p44 |
| 2026-10-09 | 0 | 0 | 1/6 | p39 |
| 2026-10-08 | 0 | 0 | 1/6 | p38 |
| 2026-10-07 | 0 | 0 | 1/6 | p38 |
Top water assets
- 72PA Well CR 78well
- 72PA Well EK 90well
- 67Fivemile Runriver
- 67Pineyreservoir
- 65Sevenmile Run Near Rasselas, Pariver
- 65East Branch Damreservoir
- 65Twin Lakesreservoir
- 65PA Well EK 96well
- 65Straight Creekriver
- 65Clarion River At Johnsonburg, Pariver