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 2026-10-13); streamflow classes place each USGS gauge's latest reading against its own day-of-year record.
Health score
73
Moderate
Drought index
33
Abnormally dry
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
25%
of 4 reporting
Median flow
75%
p32 of record
Water assets
2,190
2 springs · 1,951 wells
USGS gauges (6)
- CHEMUNG RIVER AT ELMIRA NY01530332297 cfsp25 · below normal
- COHOCTON RIVER NEAR CAMPBELL NY0152950060 cfsp31 · normal
- COHOCTON RIVER AT AVOCA NY0152750035 cfsp32 · normal
- CHEMUNG RIVER AT CHEMUNG NY01531000381 cfsp45 · normal
- CHEMUNG RIVER AT CORNING NY01529950142 cfsno long-term record
- Seeley Creek at Mosherville, PA015306206 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-20 | 33 | 0 | 1/4 | p32 |
| 2026-10-19 | 33 | 0 | 0/4 | p42 |
| 2026-10-18 | 33 | 0 | 0/4 | p40 |
| 2026-10-17 | 33 | 0 | 0/4 | p41 |
| 2026-10-16 | 33 | 0 | 0/4 | p34 |
| 2026-10-15 | 13 | 0 | 0/4 | p32 |
| 2026-10-14 | 13 | 0 | 0/4 | p37 |
| 2026-10-13 | 13 | 0 | 0/4 | p48 |
| 2026-10-12 | 13 | 0 | 0/4 | p38 |
| 2026-10-11 | 13 | 0 | 0/4 | p32 |
| 2026-10-10 | 13 | 0 | 0/4 | p32 |
| 2026-10-09 | 13 | 0 | 0/4 | p33 |
| 2026-10-08 | 13 | 0 | 0/4 | p35 |
| 2026-10-07 | 13 | 0 | 0/4 | p34 |
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