New Hampshire Station Directory

Active Monitoring Locations

Real-time hydrological observation sites grouped by region, with ongoing streamflow, stage height, and temperature metrics.

Total Gauges
68
Offline / Stale
12

Belknap County

2 stations

Carroll County

5 stations

Cheshire County

8 stations

Coos County

9 stations
ID: 01053500

Androscoggin River At Errol, NH

Latitude 44°46'57" N, Longitude 71°7'43" W

Streamflow Gauge Height
Flow Rate 1,500 ft³/s
Stage Height 2.23 ft
Status Nominal
ID: 01053600

Androscoggin River Below Bog Brook At Cambridge Nh

Latitude 44°39'58" N, Longitude 71°10'53" W

Streamflow Gauge Height
Flow Rate 1,480 ft³/s
Stage Height 1.61 ft
Status Nominal
ID: 01054000

Androscoggin River Near Gorham, NH

Latitude 44°26'9" N, Longitude 71°11'25" W

Streamflow Gauge Height
Flow Rate 1,610 ft³/s
Stage Height 3.28 ft
Status Nominal
ID: 01129200

Connecticut R Below Indian Stream Nr Pittsburg, NH

Latitude 45°2'25" N, Longitude 71°26'38" W

Streamflow Gauge Height Quality
Flow Rate 311 ft³/s
Stage Height 2.71 ft
Status Nominal
ID: 01129500

Connecticut River At North Stratford, NH

Latitude 44°44'59" N, Longitude 71°37'52" W

Streamflow Gauge Height Quality
Flow Rate 514 ft³/s
Stage Height 3.29 ft
Status Nominal
ID: 01131500

Connecticut River Near Dalton, NH

Latitude 44°24'36" N, Longitude 71°43'14" W

Streamflow Gauge Height
Flow Rate 604 ft³/s
Stage Height 7.24 ft
Status Nominal
ID: 01052500

Diamond River Near Wentworth Location, NH

Latitude 44°52'39" N, Longitude 71°3'27" W

Streamflow Gauge Height
Flow Rate 30 ft³/s
Stage Height 1.76 ft
Status Nominal
ID: 01054114

Peabody River At Gorham, New Hampshire

Latitude 44°22'53" N, Longitude 71°10'14" W

Streamflow Gauge Height
Flow Rate 25 ft³/s
Stage Height 1.94 ft
Status Nominal
ID: 01130000

Upper Ammonoosuc River Near Groveton, NH

Latitude 44°37'30" N, Longitude 71°28'8" W

Streamflow Gauge Height
Flow Rate 109 ft³/s
Stage Height 1.92 ft
Status Nominal

Grafton County

9 stations
ID: 01137500

Ammonoosuc River At Bethlehem Junction, NH

Latitude 44°16'7" N, Longitude 71°37'49" W

Streamflow Gauge Height
Flow Rate 58 ft³/s
Stage Height 1.35 ft
Status Nominal
ID: 01137940

Ammonoosuc River Below Lisbon Dam, At Lisbon, NH

Latitude 44°12'45" N, Longitude 71°54'51" W

Streamflow Gauge Height
Flow Rate 155 ft³/s
Stage Height 3.04 ft
Status Offline
ID: 01076000

Baker River Near Rumney, NH

Latitude 43°47'44" N, Longitude 71°50'43" W

Streamflow Gauge Height
Flow Rate 23 ft³/s
Stage Height 0.25 ft
Status Nominal
ID: 01077400

Cockermouth River Below Hardy Brook, At Groton, NH

Latitude 43°42'14" N, Longitude 71°50'0" W

Streamflow Gauge Height
Flow Rate 3 ft³/s
Stage Height 1.16 ft
Status Nominal
ID: 01144500

Connecticut River At West Lebanon, NH

Latitude 43°38'46" N, Longitude 72°18'44" W

Streamflow Gauge Height
Flow Rate 1,730 ft³/s
Stage Height 4.55 ft
Status Nominal
ID: 01074520

East Branch Pemigewasset River At Lincoln, NH

Latitude 44°2'51" N, Longitude 71°39'35" W

Streamflow Gauge Height
Flow Rate 62 ft³/s
Stage Height 2.92 ft
Status Nominal
ID: 01141800

Mink Brook Near Etna, NH

Latitude 43°42'8" N, Longitude 72°11'13" W

Streamflow
Flow Rate 1 ft³/s
Status Offline
ID: 01076500

Pemigewasset River At Plymouth, NH

Latitude 43°45'33" N, Longitude 71°41'8" W

Streamflow Gauge Height
Flow Rate 208 ft³/s
Stage Height 0.64 ft
Status Nominal
ID: 01075000

Pemigewasset River At Woodstock, NH

Latitude 43°58'34" N, Longitude 71°40'46" W

Streamflow Gauge Height
Flow Rate 95 ft³/s
Stage Height 2.27 ft
Status Nominal

Hillsborough County

12 stations
ID: 01082000

Contoocook River At Peterborough, NH

Latitude 42°51'45" N, Longitude 71°57'33" W

Streamflow Gauge Height
Flow Rate 152 ft³/s
Stage Height 2.16 ft
Status Nominal
ID: 01096508

Merrimack River At Nashua, NH

Latitude 42°45'48" N, Longitude 71°26'34" W

Gauge Height
Stage Height 4.78 ft
Status Nominal
ID: 01092000

Merrimack R Nr Goffs Falls, Below Manchester, NH

Latitude 42°56'53" N, Longitude 71°27'48" W

Streamflow Gauge Height
Flow Rate 2,180 ft³/s
Stage Height 3.79 ft
Status Nominal
ID: 01084000

North Branch River Near Antrim, NH

Latitude 43°4'54" N, Longitude 71°58'42" W

Streamflow Gauge Height
Flow Rate 61 ft³/s
Stage Height 2.36 ft
Status Offline
ID: 01083000

Nubanusit Bk Blw Macdowell Dam Nr Peterborough Nh

Latitude 42°53'34" N, Longitude 71°59'12" W

Gauge Height
Stage Height 3.92 ft
Status Nominal
ID: 01090800

Piscataquog River Bl Everett Dam, Nr E Weare, NH

Latitude 43°5'29" N, Longitude 71°39'34" W

Streamflow Gauge Height
Flow Rate 33 ft³/s
Stage Height 5.07 ft
Status Nominal
ID: 01091500

Piscataquog River Near Goffstown, NH

Latitude 43°1'0" N, Longitude 71°33'2" W

Streamflow Gauge Height
Flow Rate 35 ft³/s
Stage Height 3.25 ft
Status Nominal
ID: 01091003

S Br Piscataquog R At River Rd, Near Goffstown, NH

Latitude 43°0'59" N, Longitude 71°37'36" W

Gauge Height
Stage Height 300.59 ft
Status Offline
ID: 01094000

Souhegan River At Merrimack, NH

Latitude 42°51'27" N, Longitude 71°30'22" W

Streamflow Gauge Height
Flow Rate 288 ft³/s
Stage Height 3.32 ft
Status Nominal
ID: 01093852

Souhegan River (Site Wlr 1) Near Milford, NH

Latitude 42°50'33" N, Longitude 71°42'24" W

Streamflow Gauge Height Quality
Flow Rate 218 ft³/s
Stage Height 4.36 ft
Status Nominal
ID: 01091000

South Branch Piscataquog River Near Goffstown, NH

Latitude 43°0'53" N, Longitude 71°38'29" W

Streamflow Gauge Height Quality
Flow Rate 51 ft³/s
Stage Height 3.47 ft
Status Nominal
ID: 01093800

Stony Brook Tributary Near Temple, NH

Latitude 42°51'36" N, Longitude 71°49'58" W

Streamflow
Flow Rate 6 ft³/s
Status Offline

Merrimack County

8 stations

Rockingham County

8 stations

Strafford County

5 stations

Sullivan County

2 stations