Chemung HUC8 02050105
A 3,139 km² sub-basin of the Mid-Atlantic 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
77
Healthy
Drought index
4
Abnormally dry
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
0%
of 4 reporting
Median flow
200%
p81 of record
Water assets
2,190
2 springs · 1,951 wells
USGS gauges (6)
- CHEMUNG RIVER AT ELMIRA NY01530332561 cfsp60 · normal
- COHOCTON RIVER AT AVOCA NY0152750069 cfsp81 · above normal
- COHOCTON RIVER NEAR CAMPBELL NY01529500120 cfsp81 · above normal
- CHEMUNG RIVER AT CHEMUNG NY01531000809 cfsp84 · above normal
- CHEMUNG RIVER AT CORNING NY01529950142 cfsno long-term record
- Seeley Creek at Mosherville, PA015306207 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 4 | 0 | 0/4 | p81 |
Top water assets
- 73PA Well BR 108well
- 71PA Well 221well
- 66Newtown Hoffman Site 1 Damreservoir
- 66Newtown Hoffman Site 3A Damreservoir
- 66Hoffman Creek Damreservoir
- 66Newtown Hoffman Site 18 Damreservoir
- 66Newtown Hoffman Site 12E Damreservoir
- 66Newtown Hoffman Site 5A Damreservoir
- 66Waverly Lower Reservoir Damreservoir
- 65Wold Lake Damreservoir