Pemigewasset River HUC8 01070001
A 2,647 km² sub-basin of the New England region in NH. 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
75
Healthy
Drought index
100
Moderate
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
0%
of 6 reporting
Median flow
103%
p51 of record
Water assets
4,554
16 springs · 3,426 wells
USGS gauges (6)
- PEMIGEWASSET RIVER AT WOODSTOCK, NH01075000106 cfsp32 · normal
- PEMIGEWASSET RIVER AT PLYMOUTH, NH01076500234 cfsp34 · normal
- BAKER RIVER NEAR RUMNEY, NH0107600045 cfsp50 · normal
- EAST BRANCH PEMIGEWASSET RIVER AT LINCOLN, NH01074520105 cfsp53 · normal
- SMITH RIVER NEAR BRISTOL, NH0107800021 cfsp57 · normal
- COCKERMOUTH RIVER BELOW HARDY BROOK, AT GROTON, NH010774009 cfsp78 · above normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 100 | 0 | 0/6 | p51 |
Top water assets
- 67North Fork East Branch Pemigewasset Riverriver
- 67Franconia Branchriver
- 67Carrigain Branchriver
- 67Pine Brookriver
- 67North Fork Hancock Branchriver
- 67East Branch Pemigewasset Riverriver
- 67Carrigain Branchriver
- 67Franconia Branchriver
- 67Franklin Falls Damreservoir
- 67Baker Riverriver