Ammonoosuc River-Connecticut River HUC8 01080103
A 2,403 km² sub-basin of the New England region in NH, VT. 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
62
Moderate
Drought index
200
Severe
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
33%
of 3 reporting
Median flow
83%
p35 of record
Water assets
4,085
8 springs · 2,829 wells
USGS gauges (3)
- EAST ORANGE BRANCH AT EAST ORANGE, VT011398003 cfsp25 · below normal
- WELLS RIVER AT WELLS RIVER, VT0113900050 cfsp35 · normal
- OMPOMPANOOSUC RIVER AT UNION VILLAGE, VT0114150054 cfsp53 · normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-20 | 200 | 0 | 1/3 | p35 |
| 2026-10-19 | 200 | 0 | 0/3 | p49 |
| 2026-10-18 | 200 | 0 | 0/3 | p61 |
| 2026-10-17 | 200 | 0 | 0/3 | p73 |
| 2026-10-16 | 200 | 0 | 0/3 | p53 |
| 2026-10-15 | 200 | 0 | 0/3 | p74 |
| 2026-10-14 | 200 | 0 | 0/3 | p89 |
| 2026-10-13 | 200 | 0 | 1/3 | p31 |
| 2026-10-12 | 200 | 0 | 2/3 | p16 |
| 2026-10-11 | 200 | 0 | 3/3 | p10 |
| 2026-10-10 | 200 | 0 | 3/3 | p16 |
| 2026-10-09 | 200 | 0 | 3/3 | p18 |
| 2026-10-08 | 189 | 0 | 3/3 | p20 |
| 2026-10-07 | 189 | 0 | 3/3 | p13 |
Top water assets
- 67Ammonoosuc Riverriver
- 67Ammonoosuc Riverriver
- 67Black Brookriver
- 67Little Riverriver
- 67Black Brookriver
- 67Little Riverriver
- 67Moorereservoir
- 67Jefferson Brookriver
- 67Comerfordreservoir
- 67Ammonoosuc Riverriver