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| Squamscott River | |
|---|---|
Squamscott River in fall 2005 atRoute 108,Newfields, NH | |
| Location | |
| Country | United States |
| State | New Hampshire |
| County | Rockingham |
| Towns | Exeter,Stratham,Newfields,Newmarket |
| Physical characteristics | |
| Source | Exeter River |
| • location | Exeter |
| • coordinates | 42°58′55″N70°56′45″W / 42.98194°N 70.94583°W /42.98194; -70.94583 |
| • elevation | 0 ft (0 m) |
| Mouth | Great Bay |
• location | Newmarket |
• coordinates | 43°3′49″N70°54′11″W / 43.06361°N 70.90306°W /43.06361; -70.90306 |
• elevation | 0 ft (0 m) |
| Length | 6 mi (10 km) |
| Basin features | |
| Tributaries | |
| • left | Norris Brook, Rocky Hill Brook, Parting Brook |
| • right | Wheelwright Creek, Mill Brook, Jewell Hill Brook |
TheSquamscott River is a 6-mile-long (10 km)tidal river in southeasternNew Hampshire, in theUnited States, fed by theExeter River.[1] The first 33 miles (53 km) of freshwater river fromChester to downtownExeter is known as the Exeter River, and the subsequent 9 miles (14 km) of saltwater from downtown Exeter to theGreat Bay tidal estuary is known as the Squamscott River.[2]
The combined Exeter-Squamscottwatershed is 81,726 acres (127.697 sq mi) and contains 68,245 people. It includes portions ofChester, Raymond, Fremont, Danville, Kingston, East Kingston, Sandown,Kensington,Brentwood,Exeter, Newfields, and Stratham.[2]
The Squamscott, also spelledSwampscott andSwamscott, gets its name from the Squamscott Indians, who called itMsquam-s-kook (orMsquamskek), translated as "at the salmon place" or "big water place". Plentiful game, the marshes and lush river-fed vegetation, and an abundance of fish supported the northeast Native American people who were present in the region for thousands of years until English settlers displaced them in the early 17th century. The Native American tribes of New Hampshire were most likely from theAbenaki nation, and independent of the Maine-based tribes. The name "Abenaki" and its derivatives originated from a Montagnais (Algonquin) word meaning "people of the dawn" or "easterners". In the eastern part of New Hampshire were the Pequaquaukes (or Pequakets), the Ossipees, the Minnecometts, the Piscataquas and the Squamscotts (Msquamskek).[citation needed]

The Exeter River originates from a group of freshwater spring-fed ponds inChester, New Hampshire, and ends at the site of the former Great Dam of downtown Exeter. The river moves through wetlands in Fremont and Danville, some rapids in Brentwood, and through forest at Phillips Exeter Academy before ending at the dam.[2] The dam in Exeter was removed in the summer of 2016, restoring the river's natural flow into the Squamscott River.[3][4]
There are falls and small dams at several locations along the river.
The Exeter River drainage basin encompasses an area of 126 square miles (330 km2). The upper 33.3 miles (53.6 km) of the river, from its headwaters to its confluence with Great Brook in Exeter, were designated into the NH Rivers Management and Protection Program in August 1995.
The Squamscott begins at downtown Exeter and runs north betweenNewfields andStratham to Great Bay, which is connected to thePiscataqua River, and eventually feeds into theAtlantic Ocean.

After rising at the Great Bridge (aWorks Progress Administration project that carries what is nowNew Hampshire Route 27) in downtown Exeter, the river passes thePhillips Exeter Academy boathouse, then tends north alongside the Swasey Parkway, through the haymarshes, passing by the town's water purification plant and then underRoute 101, a major east–west arterial road in New Hampshire. The river next passes underRoute 108 at the boundary of Newfields and Stratham. The river then debouches into Great Bay, a broad and shallow tidal estuary, just south of the mouth of theLamprey River, arriving at the bay from Newmarket.
The Squamscott River is 9 miles (14 km) long, and transitions from freshwater to saltwater as it enters theGreat Bay estuary.[2]
The watershed is dominated by hardwood and transitional forests, which provide habitat for moose, black bear, and birds. The river also is habitat forBlanding's turtles,New England cottontail, and theblue spotted salamander. Fish species includebrook trout, small and large mouth bass,yellow perch, andchain pickerel; there is also a spawning area foralewife andblueback herring.
ThePhillips Exeter Academy sport rowingcrew team holds its practices on the Squamscott River in Exeter.[5]
As of 2023, there is an active sewer pipe replacement project for the sewers underneath Squamscott River. These sewers serve approximately 35% of the town including Jady Hill, Exeter Mill and sections of the commercial areas on Portsmouth Avenue, and were discovered by cleaners to be corroded from being over fifty years old. Water is being drawn into the pipe from a corrosion-caused leak, which may lead to the backup of sewage into people's homes.[6]