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 2026-10-13); streamflow classes place each USGS gauge's latest reading against its own day-of-year record.
Health score
71
Moderate
Drought index
165
Moderate
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
0%
of 6 reporting
Median flow
88%
p41 of record
Water assets
4,554
16 springs · 3,426 wells
USGS gauges (6)
- PEMIGEWASSET RIVER AT PLYMOUTH, NH01076500442 cfsp35 · normal
- EAST BRANCH PEMIGEWASSET RIVER AT LINCOLN, NH01074520140 cfsp36 · normal
- BAKER RIVER NEAR RUMNEY, NH0107600075 cfsp37 · normal
- PEMIGEWASSET RIVER AT WOODSTOCK, NH01075000211 cfsp45 · normal
- SMITH RIVER NEAR BRISTOL, NH0107800042 cfsp46 · normal
- COCKERMOUTH RIVER BELOW HARDY BROOK, AT GROTON, NH0107740014 cfsp49 · normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-20 | 165 | 0 | 0/6 | p41 |
| 2026-10-19 | 165 | 0 | 0/6 | p49 |
| 2026-10-18 | 165 | 0 | 0/6 | p57 |
| 2026-10-17 | 165 | 0 | 0/6 | p58 |
| 2026-10-16 | 165 | 0 | 0/6 | p55 |
| 2026-10-15 | 165 | 0 | 0/6 | p76 |
| 2026-10-14 | 165 | 0 | 0/6 | p74 |
| 2026-10-13 | 165 | 0 | 4/6 | p17 |
| 2026-10-12 | 165 | 0 | 5/6 | p11 |
| 2026-10-11 | 165 | 0 | 5/6 | p9 |
| 2026-10-10 | 165 | 0 | 5/6 | p10 |
| 2026-10-09 | 165 | 0 | 5/6 | p10 |
| 2026-10-08 | 165 | 0 | 5/6 | p10 |
| 2026-10-07 | 165 | 0 | 4/6 | p13 |
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