Ashuelot River-Connecticut River HUC8 01080201
A 2,637 km² sub-basin of the New England region in MA, NH, VT. 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
71
Moderate
Drought index
85
Abnormally dry
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
25%
of 8 reporting
Median flow
77%
p36 of record
Water assets
5,031
33 springs · 2,663 wells
USGS gauges (11)
- CONNECTICUT RIVER AT MONTAGUE CITY, MA011705001,860 cfsp9 · much below normal
- CONNECTICUT R AT I-391 BRIDGE AT HOLYOKE, MA011720103,310 cfsp23 · below normal
- ASHUELOT RIVER NEAR GILSUM, NH011570009 cfsp26 · normal
- ASHUELOT RIVER BELOW SURRY MT DAM, NEAR KEENE, NH0115800011 cfsp31 · normal
- ASHUELOT RIVER AT HINSDALE, NH01161000112 cfsp41 · normal
- ASHUELOT RIVER AT WEST SWANZEY, NH0116035076 cfsp45 · normal
- MILL RIVER AT NORTHAMPTON, MA0117150018 cfsp53 · normal
- FORT RIVER NEAR AMHERST, MA0117130017 cfsp58 · normal
- ASHUELOT RIVER ABOVE THE BRANCH, AT KEENE, NH0115811021 cfsno long-term record
- CONNECTICUT RIVER NEAR NORTHFIELD, MA01161280721 cfsno long-term record
- AVERY BROOK NR WHATELY, MA011710001 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 85 | 0 | 2/8 | p36 |
Top water assets
- 67Otter Brook Damreservoir
- 66Surry Mountain Damreservoir
- 66Pisgah Reservoir Damreservoir
- 66Cabot Spillwayreservoir
- 66Minnewawareservoir
- 66Babbidge Reservoir Damreservoir
- 65Connecticut River At Montague City, Mariver
- 65Stone Pond Overflow Damreservoir
- 65Connecticut R At I-391 Bridge At Holyoke, Mariver
- 65Paradise Pond Damreservoir