Merrimack Watershed


The Winnipesaukee River watershed encompasses over 310,654 acres and stretches across New Hampshire. Drainage basins like this one funnel all the streams, snowmelt, and rainfall to a common outlet such as the outflow of a reservoir, or mouth of a bay. View all watersheds using the interactive map



Watershed Taxonomy



Watershed Overview

Current conditions and statistics for the Merrimack Watershed
Greenville 1 Nne
Snow Sensor GREN3
0"
Snowpack

24hr Change

Air Temp

Elevation
Winnipesaukee River At Tilton
USGS 01081000
301 cfs
Streamflow

Gauge Height

Air Temp

Elevation
Suncook River At North Chichester
USGS 01089500
162 cfs
Streamflow

Gauge Height

Air Temp

Elevation
South Branch Piscataquog River Near Goffstown
USGS 01091000
105 cfs
Streamflow

Gauge Height

Air Temp

Elevation
Piscataquog River Bl Everett Dam
Snow Sensor 01090800
7.58"
Snowpack

24hr Change

Air Temp

Elevation
Concord Muni Arpt
Snow Sensor CON
0"
Snowpack

24hr Change

Air Temp

Elevation
Souhegan River (Site Wlr-1) Near Milford
USGS 01093852
127 cfs
Streamflow

Gauge Height

Air Temp

Elevation
Merrimack River At Franklin Junction
USGS 01081500
1570 cfs
Streamflow

Gauge Height

Air Temp

Elevation
Soucook River
USGS 01089100
22 cfs
Streamflow

Gauge Height

Air Temp

Elevation
East Milford
Snow Sensor EMLN3
0"
Snowpack

24hr Change

Air Temp

Elevation
Hudson 1 Sse
Snow Sensor HUDN3
0"
Snowpack

24hr Change

Air Temp

Elevation
Spicket River At North Salem
USGS 01100505
8 cfs
Streamflow

Gauge Height

Air Temp

Elevation
Piscataquog River Near Goffstown
USGS 01091500
178 cfs
Streamflow

Gauge Height

Air Temp

Elevation
Souhegan River At Merrimack
USGS 01094000
165 cfs
Streamflow

Gauge Height

Air Temp

Elevation
Beaver Brook At North Pelham
USGS 010965852
34 cfs
Streamflow

Gauge Height

Air Temp

Elevation
Shawsheen River At Hanscom Field Near Bedford
USGS 01100568
1 cfs
Streamflow

Gauge Height

Air Temp

Elevation
Merrimack R Nr Goffs Falls
USGS 01092000
3410 cfs
Streamflow

Gauge Height

Air Temp

Elevation
Spicket River Near Methuen
USGS 01100561
10 cfs
Streamflow

Gauge Height

Air Temp

Elevation
Shawsheen River Near Wilmington
USGS 01100600
21 cfs
Streamflow

Gauge Height

Air Temp

Elevation
Concord R Below R Meadow Brook
USGS 01099500
403 cfs
Streamflow

Gauge Height

Air Temp

Elevation
Merrimack River Bl Concord River At Lowell
USGS 01100000
4940 cfs
Streamflow

Gauge Height

Air Temp

Elevation

Watershed Correlation

Compare constituents of the Merrimack Watershed that move tightly or weakly together.

Trending Conditions

Recent snowpack and discharge levels for the Merrimack Watershed

Watershed Profile

Compare elevation with snowpack and streamflow conditions for this Watershed