Salmon Brook (Merrimack River tributary)
Salmon Brook is one of the 6 major tributaries of the Merrimack River in northeastern Massachusetts in the United States. Its watershed is 31 square miles (80 km2) and is one of the 14 subwatersheds of the Merrimack River. It passes through Groton, Dunstable, and Tyngsborough, Massachusetts, and then through Nashua, New Hampshire.
| Salmon Brook | |
|---|---|
 Salmon Brook in Dunstable, Massachusetts | |
| Location | |
| Country | US |
| Physical characteristics | |
| Source | |
| • location | Martins Pond |
| • elevation | 280 feet (85 m) at Groton, Massachusetts |
| Mouth | |
• location | Merrimack River |
| Length | 17.5 miles (28.2 km) |
| Basin size | 36 square miles (93 km2) |
| Discharge | |
| • average | 150 cu ft/s (4.2 m3/s) |
Route description
Salmon Brook begins at Martins Pond in Groton. It then flows approximately 17.5 miles (28.2 km) north-northeast to the Merrimack River. It runs through Lost Lake/Knops Pond, Whitney Pond, Cow Pond, and Upper and Lower Massapoag Ponds. All of these water bodies are dammed. The brook runs roughly parallel to the Nashua River from Lost Lake to the brook's mouth in Nashua.
External links
| Atlantic Ocean |
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| Gulf of Maine |
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| Long Island Sound |
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| Narragansett Bay |
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| Upper New York Bay |
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| Gulf of Maine |
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| Long Island Sound |
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