Cocheco River
Cocheco River | ||
Cocheco River in Rochester |
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Data | ||
Water code | US : 866233 | |
location | Strafford County in New Hampshire (USA) | |
River system | Piscataqua River | |
Drain over | Piscataqua River → Atlantic Ocean | |
source | 0.6 km southeast of Marchs Pond , 1.8 km south of Birch Ridge 43 ° 27 '33 " N , 71 ° 6' 56" W |
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Source height | approx. 220 m | |
Association with |
Salmon Falls River to Piscataqua River Coordinates: 43 ° 10 ′ 30 " N , 70 ° 49 ′ 26" W 43 ° 10 ′ 30 " N , 70 ° 49 ′ 26" W |
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Mouth height | 0 m | |
Height difference | approx. 220 m | |
Bottom slope | approx. 4.8 ‰ | |
length | 46 km | |
Catchment area | 474 km² | |
Right tributaries | Ela River, Mad River, Isinglass River | |
Reservoirs flowed through | Waldron Mill Pond | |
Small towns | Farmington , Rochester , Dover |
The Cocheco River (other spelling: Cochecho River ) is a river in the southeast of the US state New Hampshire .
The Cocheco River has its origin 0.6 km southeast of Marchs Pond , 1.8 km south of Birch Ridge . From there, the Cocheco River flows in a predominantly south-easterly direction through Strafford County . The small reservoir Waldron Mill Pond is located on the upper reaches . The towns of Farmington , Rochester and Dover lie on its river . To the southeast of Dover, the Cocheco River finally meets the Salmon Falls River . Both rivers unite to form the Piscataqua River . This forms their common estuary . Below the center of Dover, the tides are felt on the Cocheco River. The Cocheco River has a length of 56 km and drains an area of 474 km². The main tributary of the Cocheco River is the Isinglass River .
Hydropower plants
There are several hydropower plants along the course of the Cocheco River
Hydroelectric power plants in the downstream direction:
Surname | Power in MW |
Number of turbines |
location | operator |
---|---|---|---|---|
Watson Dam | 0.27 | ( ⊙ ) | Watson Assoc | |
Cocheco Falls Dam | 0.71 | ( ⊙ ) | Cocheco Falls Assoc |
The Cocheco Falls Dam is located in the center of Dover. A fish ladder allows migratory fish like the herring family Alosa (Engl. "River herring"), this obstacle on cochecho river to get around to continue to spawn upstream. The Watson Dam is 5 km west of Dover.