Cocheco River

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Cocheco River
Cocheco River in Rochester

Cocheco River in Rochester

Water code US866233
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
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
Mouth height 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
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.

Web links

Commons : Cocheco River  - Collection of Images, Videos and Audio Files

Individual evidence

  1. ^ Seacoast Watershed Information Manager: Cocheco Watershed
  2. a b Cocheco River in the Geographic Names Information System of the United States Geological Survey
  3. a b c d New Hampshire Dept. of Environmental Services