New Hampshire Stream Gauges

60 active USGS monitoring stations in New Hampshire. Also see New Hampshire streamflow overview.

Browse by Condition

All 60 Very Low 2 Low 0 Normal 44 High 7 Very High 0 Flooding 0 Unknown / Offline 6

Showing 1–50 of 60 · Page 1 of 2

Active USGS Stream Gauges

Station	River	Discharge (CFS)	Gage Ht (ft)	Condition
Ammonoosuc River Below Lisbon Dam, at Lisbon, NH 01137940	Ammonoosuc River	155	3.04	Very High
Ammonoosuc River at Bethlehem Junction, NH 01137500	Ammonoosuc River	141	1.94	Normal
Androscoggin River Below Bog Brook at Cambridge NH 01053600	Androscoggin River	2,220	2.14	Normal
Androscoggin River Near Gorham, NH 01054000	Androscoggin River	2,390	3.90	Normal
Androscoggin River at Errol, NH 01053500	Androscoggin River	2,080	2.71	Normal
Ashuelot River Above The Branch, at Keene, NH 01158110	Ashuelot River	21	65.61	Very Low
Ashuelot River Below Surry Mount Dam, Near Keene, NH 01158000	Ashuelot River	116	5.67	Normal
Ashuelot River Near Gilsum, NH 01157000	Ashuelot River	70	2.53	Normal
Ashuelot River at Hinsdale, NH 01161000	Ashuelot River	421	4.16	Normal
Ashuelot River at West Swanzey, NH 01160350	Ashuelot River	328	6.23	Normal
Baker River Near Rumney, NH 01076000	Baker River	177	1.19	Normal
Bearcamp River at South Tamworth, NH 01064801	Bearcamp River	102	4.31	Normal
Beaver Brook at North Pelham, NH 010965852	Beaver Brook	25	6.06	Normal
Blackwater River Near Webster, NH 01087000	Blackwater River	248	3.51	High
Cocheco River Near Rochester, NH 01072800	Cocheco River	74	3.38	Normal
Cockermouth River Below Hardy Brook, at Groton, NH 01077400	Cockermouth River	46	1.82	Very High
Cold River at High Street, at Alstead, NH 01154950	Cold River	53	2.18	Normal
Connecticut River Below Indian Stream near Pittsburg, NH 01129200	Connecticut River	488	3.08	Normal
Connecticut River Near Dalton, NH 01131500	Connecticut River	2,250	9.18	Normal
Connecticut River at North Stratford, NH 01129500	Connecticut River	1,250	4.16	Normal
Connecticut River at North Walpole, NH 01154500	Connecticut River	11,400	10.68	High
Connecticut River at West Lebanon, NH 01144500	Connecticut River	6,990	7.10	Normal
Contoocook River Near Henniker, NH 01085000	Contoocook River	426	6.07	Normal
Contoocook River at Peterborough, NH 01082000	Contoocook River	66	1.65	Normal
Contoocook River below Hopkinton Dam at West Hopkinton, NH 01085500	Contoocook River	478	2.37	Normal
Diamond River Near Wentworth Location, NH 01052500	Diamond River	225	2.88	Normal
East Branch Pemigewasset River at Lincoln, NH 01074520	East Branch Pemigewasset River	239	4.35	Normal
Exeter River at Haigh Road, Near Brentwood, NH 01073587	Exeter River	56	4.75	Normal
Exeter River at Odell Road, Near Sandown, NH 010735562	Exeter River	9	0.90	Normal
Isinglass River at Rochester Neck Road, near Dover, NH 01072870	Isinglass River	42	3.52	Normal
Lamprey River Near Newmarket, NH 01073500	Lamprey River	112	1.68	Normal
Lamprey River at Langford Road, at Raymond, NH 01073319	Lamprey River	29	2.24	Normal
Mascoma River at Mascoma, NH 01150500	Mascoma River	—	—	Unknown
Mascoma River at West Canaan, NH 01145000	Mascoma River	—	—	Unknown
Merrimack River at Franklin Junction, NH 01081500	Merrimack River	3,570	6.51	High
Merrimack River near Goffs Falls, Below Manchester, NH 01092000	Merrimack River	5,950	5.39	High
Nubanusit Bk below Macdowell Dam near Peterborough NH 01083000	—	—	2.66	Unknown
Otter Brook Below Otter Brook Dam, Near Keene, NH 01158600	Otter Brook	—	—	Unknown
Oyster River Near Durham, NH 01073000	Oyster River	8	1.22	Normal
Peabody River at Gorham, New Hampshire 01054114	Peabody River	85	2.57	Normal
Pemigewasset River at Plymouth, NH 01076500	Pemigewasset River	914	1.59	Normal
Pemigewasset River at Woodstock, NH 01075000	Pemigewasset River	364	3.08	Normal
Piscataquog River Near Goffstown, NH 01091500	Piscataquog River	206	4.20	Normal
Piscataquog River below Everett Dam, near East Weare, NH 01090800	Piscataquog River	92	5.48	High
Saco River Near Conway, NH 01064500	Saco River	901	3.67	Normal
Saco River at River Street, at Bartlett, NH 010642505	Saco River	246	3.29	Normal
Smith River Near Bristol, NH 01078000	Smith River	108	2.86	Normal
Souhegan River (site Wlr-1) Near Milford, NH 01093852	Souhegan River (site Wlr-1)	121	3.90	Normal
Souhegan River at Merrimack, NH 01094000	Souhegan River	180	2.99	Normal
South Branch Piscataquog River Near Goffstown, NH 01091000	South Branch Piscataquog River	79	3.66	Normal