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 2026-09-01); streamflow classes place each USGS gauge's latest reading against its own day-of-year record.
Health score
72
Moderate
Drought index
0
None
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
17%
of 6 reporting
Median flow
546%
p93 of record
Water assets
2,575
97 springs · 1,390 wells
USGS gauges (7)
- EB Clarion River at EB Clarion River Dam, PA03027500128 cfsp21 · below normal
- Clarion River at Johnsonburg, PA03028500403 cfsp84 · above normal
- Clarion River near Piney, PA030305002,240 cfsp92 · much above normal
- Clarion River at Cooksburg, PA030295002,080 cfsp94 · much above normal
- Sevenmile Run near Rasselas, PA0302650016 cfsp95 · much above normal
- West Branch Clarion River at Wilcox, PA03028000209 cfsp95 · much above normal
- Clarion River at Ridgway, PA03029000658 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 0 | 0 | 1/6 | p93 |
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