Over the course of the 19th and 20th centuries, a number of reservoirs and dams

DAMS

Driot-Arnoux Motorsport is a racing team from France, involved in many areas of motorsports. DAMS was founded in 1988 by Jean-Paul Driot and former Formula One driver René Arnoux. It is headquartered near Le Mans, only 2 km from the Bugatti Circuit.- History :The year after its foundation,...

 were built in the area now covered by Dartmoor

Dartmoor

Dartmoor is an area of moorland in south Devon, England. Protected by National Park status, it covers .The granite upland dates from the Carboniferous period of geological history. The moorland is capped with many exposed granite hilltops known as tors, providing habitats for Dartmoor wildlife. The...

 National Park in Devon

Devon

Devon is a large county in southwestern England. The county is sometimes referred to as Devonshire, although the term is rarely used inside the county itself as the county has never been officially "shired", it often indicates a traditional or historical context.The county shares borders with...

, England

England

England is a country that is part of the United Kingdom. It shares land borders with Scotland to the north and Wales to the west; the Irish Sea is to the north west, the Celtic Sea to the south west, with the North Sea to the east and the English Channel to the south separating it from continental...

 to supply drinking water

Drinking water

Drinking water or potable water is water pure enough to be consumed or used with low risk of immediate or long term harm. In most developed countries, the water supplied to households, commerce and industry is all of drinking water standard, even though only a very small proportion is actually...

 to the rapidly growing towns in the surrounding lowland

Lowland

In physical geography, a lowland is any broad expanse of land with a general low level. The term is thus applied to the landward portion of the upward slope from oceanic depths to continental highlands, to a region of depression in the interior of a mountainous region, to a plain of denudation, or...

s. With its deep valleys and high rainfall, Dartmoor was an inevitable location. New reservoirs continued construction even after the establishment of the National Park

National parks of England and Wales

The national parks of England and Wales are areas of relatively undeveloped and scenic landscape that are designated under the National Parks and Access to the Countryside Act 1949...

 in 1951.

Early schemes to use the moors as a source of drinking water involved the construction of water channels called leat

Leat

A leat is the name, common in the south and west of England and in Wales, for an artificial watercourse or aqueduct dug into the ground, especially one supplying water to a watermill or its mill pond...

s. For example, Drake's Leat

Drake's Leat

Drake's Leat, also known as Plymouth Leat, was a watercourse constructed in the late 16th century to tap the River Meavy on Dartmoor, England in order to supply Plymouth with water. It was one of the first municipal water supplies in the country.-Plans:...

 (completed 1591) took water to Plymouth

Plymouth

Plymouth is a city and unitary authority area on the coast of Devon, England, about south-west of London. It is built between the mouths of the rivers Plym to the east and Tamar to the west, where they join Plymouth Sound...

 and the Devonport Leat

Devonport Leat

The Devonport Leat was a leat constructed in the 1790s to carry fresh drinking water from the high ground of Dartmoor to the expanding dockyards at Devonport, Devon, England. It is fed by three Dartmoor rivers: the West Dart, the Cowsic and the Blackabrook...

 (1793) to the docks at Devonport

Devonport, Devon

Devonport, formerly named Plymouth Dock or just Dock, is a district of Plymouth in the English county of Devon, although it was, at one time, the more important settlement. It became a county borough in 1889...

. However, rapid population growth of the seaside communities in the late 19th century and the birth of tourism required a significant improvement in quality and quantity of fresh water.

The first Dartmoor reservoir (Tottiford) opened in 1861 and heralded a busy era of dam construction which continued through to 1907, by which time the Dartmoor area was the site of five reservoirs. Three more were to follow during the course of the mid to late 20th century.

A few long-established Dartmoor farms had to be abandoned and disappeared under the water as a result. During years of drought, some ruins can once again become visible. At Fernworthy, for example, low water levels often reveal the remains of Fernworthy Farm and a small granite

Granite

Granite is a common and widely occurring type of intrusive, felsic, igneous rock. Granite usually has a medium- to coarse-grained texture. Occasionally some individual crystals are larger than the groundmass, in which case the texture is known as porphyritic. A granitic rock with a porphyritic...

 Clapper bridge

Clapper bridge

A clapper bridge is an ancient form of bridge found on the moors of Devon and in other upland areas of the United Kingdom including Snowdonia and Anglesey...

 which once crossed the South Teign

River Teign

The River Teign is a river in the county of Devon, England.Like many Devon rivers, the Teign rises on Dartmoor, near Cranmere Pool. Its course on the moor is crossed by a clapper bridge near Teigncombe, just below the prehistoric Kestor Settlement. It leaves the moor at its eastern side, flowing...

 River. At the Avon reservoir hut circles are visible at very low water levels.

Dartmoor reservoirs