Lower West Branch Susquehanna HUC8 02050206
A 4,686 km² sub-basin of the Mid-Atlantic 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
81
Healthy
Drought index
0
None
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
11%
of 9 reporting
Median flow
164%
p62 of record
Water assets
2,902
28 springs · 2,338 wells
USGS gauges (9)
- Chillisquaque Creek at Washingtonville, PA0155370014 cfsp21 · below normal
- Lycoming Creek near Trout Run, PA0155000052 cfsp36 · normal
- Muncy Creek near Sonestown, PA0155250013 cfsp37 · normal
- Loyalsock Creek at Loyalsockville, PA01552000201 cfsp44 · normal
- West Branch Susquehanna River at Lewisburg, PA015535004,390 cfsp62 · normal
- WB Susquehanna River at Williamsport, PA015515003,800 cfsp62 · normal
- West Branch Susquehanna River at Allenwood, PA015530254,380 cfsp66 · normal
- Chillisquaque Creek near Potts Grove, PA0155385042 cfsp71 · normal
- WB Susquehanna River at Jersey Shore, PA015497603,480 cfsp72 · normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-21 | 0 | 0 | 1/9 | p62 |
| 2026-10-20 | 0 | 0 | 0/9 | p65 |
| 2026-10-19 | 0 | 0 | 0/9 | p62 |
| 2026-10-18 | 0 | 0 | 0/9 | p66 |
| 2026-10-17 | 0 | 0 | 0/9 | p70 |
| 2026-10-16 | 0 | 0 | 1/9 | p54 |
| 2026-10-15 | 0 | 0 | 1/9 | p57 |
| 2026-10-14 | 0 | 0 | 0/9 | p60 |
| 2026-10-13 | 0 | 0 | 0/9 | p73 |
| 2026-10-12 | 0 | 0 | 0/9 | p72 |
| 2026-10-11 | 0 | 0 | 2/9 | p40 |
| 2026-10-10 | 0 | 0 | 2/9 | p42 |
| 2026-10-09 | 0 | 0 | 2/9 | p40 |
| 2026-10-08 | 0 | 0 | 2/9 | p42 |
Top water assets
- 71PA Well LY 221well
- 67Rocky Runriver
- 67Rocky Runriver
- 66PA Well UN 71well
- 66PA Well UN 71well
- 66PA Well NU 10well
- 66PA Well UN 77well
- 66PA Well LY 32well
- 65Chillisquaque Creek Near Potts Grove, Pariver
- 65Muncy Creek Near Sonestown, Pariver