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The River Blackwater is a river in
Essex Essex () is a county in the East of England. One of the home counties, it borders Suffolk and Cambridgeshire to the north, the North Sea to the east, Hertfordshire to the west, Kent across the estuary of the River Thames to the south, and G ...
, England. It rises as the River Pant in the northwest of the county, just east of
Saffron Walden Saffron Walden is a market town in the Uttlesford district of Essex, England, north of Bishop's Stortford, south of Cambridge and north of London. It retains a rural appearance and some buildings of the medieval period. The population was 15, ...
, and flows in a generally southeast direction to Bocking, near Braintree, via
Great Sampford Great Sampford is a village and civil parish on the junction of the B1053 and B1051 roads in the north-west of the English county of Essex. The population of the civil parish at the 2011 Census was 586. The village includes a primary school, ...
and
Great Bardfield Great Bardfield is a large village in the Braintree district of Essex, England. It is located approximately northwest of the town of Braintree, and approximately southeast of Saffron Walden. The village came to national attention during the ...
. At Bocking, it becomes the River Blackwater, and veers east to flow past
Bradwell Juxta Coggeshall Bradwell or Bradwell Juxta Coggeshall is a village and civil parish in Essex, England. It is located on the River Blackwater, approximately east of Braintree and is north-northeast from the county town of Chelmsford. The village is in the d ...
and
Coggeshall Coggeshall ( or ) is a small town in Essex, England, between Colchester and Braintree on the Roman road Stane Street and the River Blackwater. It has almost 300 listed buildings and a market whose charter was granted in 1256 by Henry III. ...
. It then veers south, flowing past
Kelvedon Kelvedon is a village and civil parish in the Braintree District of Essex in England, between Chelmsford and Colchester. It had a population of 4,717 in 2001, reducing to 3,587 at the 2011 Census. It is now home to several businesses including ...
and
Witham Witham () is a town in the county of Essex in the East of England, with a population ( 2011 census) of 25,353. It is part of the District of Braintree and is twinned with the town of Waldbröl, Germany. Witham stands between the city of Chelms ...
, before reaching
Maldon Maldon (, locally ) is a town and civil parish on the River Blackwater, Essex, Blackwater estuary in Essex, England. It is the seat of the Maldon District and starting point of the Chelmer and Blackwater Navigation. It is known for Maldon Sea ...
. There, it veers east again and empties into the
Blackwater Estuary The Blackwater Estuary is the estuary of the River Blackwater between Maldon and West Mersea in Essex. It is a 5,538 hectare biological Site of Special Scientific Interest (SSSI). An area of 4,395 hectares is also designated a Ramsar Wetland o ...
, which in turn meets the
North Sea The North Sea lies between Great Britain, Norway, Denmark, Germany, the Netherlands and Belgium. An epeiric sea on the European continental shelf, it connects to the Atlantic Ocean through the English Channel in the south and the Norwegian S ...
at
Mersea Island Mersea Island is an island in Essex, England, in the Blackwater and Colne estuaries to the south-east of Colchester. Its name comes from the Old English word ''meresig'', meaning "island of the pool" and thus is tautological. The island is s ...
. The River Blackwater has two major tributaries: the
River Brain The River Brain is a tributary of the River Blackwater in Essex, England. It gives its name to the town of Braintree, although Braintree lies on a low ridge between the Brain and the River Blackwater. To the north of Braintree it is known as P ...
, which meets it just south of Witham, and the
River Chelmer The River Chelmer is a river that flows entirely through the county of Essex, England, running from the northwest of the county through Chelmsford to the River Blackwater near Maldon. Course The source of the river is in the parish of Debden i ...
, which meets it just east of Maldon. The lower reaches of the Chelmer, from
Chelmsford Chelmsford () is a city in the City of Chelmsford district in the county of Essex, England. It is the county town of Essex and one of three cities in the county, along with Southend-on-Sea and Colchester. It is located north-east of London a ...
, were
canal Canals or artificial waterways are waterways or engineered channels built for drainage management (e.g. flood control and irrigation) or for conveyancing water transport vehicles (e.g. water taxi). They carry free, calm surface flow un ...
ised in the 1790s, and the
navigation Navigation is a field of study that focuses on the process of monitoring and controlling the movement of a craft or vehicle from one place to another.Bowditch, 2003:799. The field of navigation includes four general categories: land navigation, ...
diverts water north of the Blackwater through Maldon before emptying into the Blackwater Estuary at
Heybridge Basin Heybridge Basin is a village and civil parish about 1 mile from Maldon, in the Maldon district, in the county of Essex, England. In 2018 the built up area (which includes Osea Island) had an estimated population of 732. The parish was formerly par ...
.


History

One of the most famous
Viking Vikings ; non, víkingr is the modern name given to seafaring people originally from Scandinavia (present-day Denmark, Norway and Sweden), who from the late 8th to the late 11th centuries raided, pirated, traded and se ...
battles in
Britain Britain most often refers to: * The United Kingdom, a sovereign state in Europe comprising the island of Great Britain, the north-eastern part of the island of Ireland and many smaller islands * Great Britain, the largest island in the United King ...
, the
Battle of Maldon The Battle of Maldon took place on 11 August 991 AD near Maldon beside the River Blackwater in Essex, England, during the reign of Æthelred the Unready. Earl Byrhtnoth and his thegns led the English against a Viking invasion. The battle ...
, possibly took place at the mouth of the river in 991.
The Battle of Maldon "The Battle of Maldon" is the name given to an Old English poem of uncertain date celebrating the real Battle of Maldon of 991, at which an Anglo-Saxon army failed to repulse a Viking raid. Only 325 lines of the poem are extant; both the beginnin ...
, an early-11th-century fragmentary poem which describes the battle, mentions the ''Panta'' and describes a tidal causeway which could be the causeway leading to
Northey Island Northey Island is an island in the estuary of the River Blackwater, Essex. It is linked to the south bank of the river by a causeway, covered for two hours either side of high tide. The island is approximately 1 mile (2 km) to the eas ...
. The Saxons were defeated and their leader,
Byrhtnoth Byrhtnoth ( ang, Byrhtnoð), Ealdorman of Essex ( 931 - 11 August 991), died at the Battle of Maldon. His name is composed of the Old English ''beorht'' (bright) and ''noþ'' (courage). He is the subject of ''The Battle of Maldon'', an Old Eng ...
, was killed. The Blackwater was a source of fish and
oysters Oyster is the common name for a number of different families of salt-water bivalve molluscs that live in marine or brackish habitats. In some species, the valves are highly calcified, and many are somewhat irregular in shape. Many, but not al ...
for the town of Maldon during the
Roman Roman or Romans most often refers to: *Rome, the capital city of Italy *Ancient Rome, Roman civilization from 8th century BC to 5th century AD *Roman people, the people of ancient Rome *''Epistle to the Romans'', shortened to ''Romans'', a letter ...
occupation. The remains of
Saxon The Saxons ( la, Saxones, german: Sachsen, ang, Seaxan, osx, Sahson, nds, Sassen, nl, Saksen) were a group of Germanic * * * * peoples whose name was given in the early Middle Ages to a large country (Old Saxony, la, Saxonia) near the Nor ...
fish traps were discovered in the river in the 1990s. During the winter of 1776 the Blackwater froze from Maldon to Osea island, a distance of some four miles. The ice trapped fishing and cargo carrying vessels and blocked any imports of coal, oil, wool to Maldon. In 1793 the
Chelmer and Blackwater Navigation The Chelmer and Blackwater Navigation is the canalisation of the Rivers Chelmer and Blackwater in Essex, in the east of England. The navigation runs for from Springfield Basin in Chelmsford to the sea lock at Heybridge Basin near Maldon. Ini ...
Company was formed by act of Parliament. Over the next four years, the company built a navigation from
Chelmsford Chelmsford () is a city in the City of Chelmsford district in the county of Essex, England. It is the county town of Essex and one of three cities in the county, along with Southend-on-Sea and Colchester. It is located north-east of London a ...
to meet the tidal estuary of the River Blackwater in Colliers Reach at the place that is today called
Heybridge Basin Heybridge Basin is a village and civil parish about 1 mile from Maldon, in the Maldon district, in the county of Essex, England. In 2018 the built up area (which includes Osea Island) had an estimated population of 732. The parish was formerly par ...
(after the canal basin there). The burgers of the borough of
Maldon Maldon (, locally ) is a town and civil parish on the River Blackwater, Essex, Blackwater estuary in Essex, England. It is the seat of the Maldon District and starting point of the Chelmer and Blackwater Navigation. It is known for Maldon Sea ...
refused to allow the canal to pass through their borough, so the company routed it just outside the borough boundary, which is why it ended up at Colliers Reach, rather than at Maldon. From Chelmsford, the navigation mainly followed the course of the River Chelmer until it reached Beeleigh, near Maldon. Then it followed the course of the River Blackwater to Heybridge, and from there via a canal to the sea lock at Colliers Reach. A weir connected the navigation to the tidal river Blackwater at Heybridge, where it powered a water mill. Heybridge mill was demolished after severe flooding in this area in 1953, but the mill house still stands. The river (known here as ''Heybridge Creek'') was dammed between Heybridge Hall and Potman marsh in 1954 as part of a programme of flood defence improvements. Most of the water flowing down the River Blackwater nowadays flows over a weir at Beeleigh and along the tidal section of the Chelmer before rejoining the Blackwater at Heybridge Basin. In 1865
HM Government ga, Rialtas a Shoilse gd, Riaghaltas a Mhòrachd , image = HM Government logo.svg , image_size = 220px , image2 = Royal Coat of Arms of the United Kingdom (HM Government).svg , image_size2 = 180px , caption = Royal coat of arms of t ...
passed the Maldon Harbour Act authorized construction of a wharf on the west side of the southern end of Heybridge Creek on land belonging to the
Great Eastern Railway The Great Eastern Railway (GER) was a pre-grouping British railway company, whose main line linked London Liverpool Street to Norwich and which had other lines through East Anglia. The company was grouped into the London and North Eastern R ...
Company, and improving the channels of the rivers Chelmer and Blackwater. Ten thousand pounds were spent on widening, deepening and improving the river from the Fullbridge to just downriver from Herring's Point, near Heybridge Basin. After this, vessels had to pay a toll of 3 pence a ton if they were under 50 tons register or 6 pence a ton if they were over that.Fitch, Edward Arthur: Maldon and the River Blackwater. Gowers, 1895. A medieval 5-arched stone bridge over the River Blackwater at Heybridge (from which that village got its name) was replaced in 1870 by a 2-arched brick one. That bridge was at the north end of the Causeway, at its junction with Heybridge Street and Holloway Road, but the bridge there now is hardly distinguishable as such.


Industry

The Maldon Crystal Salt Company produces crystalline
sea salt Sea salt is salt that is produced by the evaporation of seawater. It is used as a seasoning in foods, cooking, cosmetics and for preserving food. It is also called bay salt, solar salt, or simply salt. Like mined rock salt, production of sea sa ...
by traditional panning techniques from the waters of the Blackwater.


Osea Island

Osea Island, in the Blackwater Estuary
Osea Island Osea Island ( oe, Ōsgȳþes īeg, "Osyth's island"), formerly also Osey, is an inhabited island in the estuary of the River Blackwater, Essex, East England. It is approximately in size and is connected to the north bank of the river by a cau ...
is situated on the Blackwater Estuary, north of
Steeple In architecture, a steeple is a tall tower on a building, topped by a spire and often incorporating a belfry and other components. Steeples are very common on Christian churches and cathedrals and the use of the term generally connotes a religi ...
.


Northey Island

Northey Island Northey Island is an island in the estuary of the River Blackwater, Essex. It is linked to the south bank of the river by a causeway, covered for two hours either side of high tide. The island is approximately 1 mile (2 km) to the eas ...
owned by the National Trust, is approximately one mile to the west of Osea Island. It is part of an ancient landscape and is connected to the shore by a tidal causeway. It is believed by some to have been the site of the
Battle of Maldon The Battle of Maldon took place on 11 August 991 AD near Maldon beside the River Blackwater in Essex, England, during the reign of Æthelred the Unready. Earl Byrhtnoth and his thegns led the English against a Viking invasion. The battle ...
in 991 AD and offers birdwatching opportunities.


See also

*
Chelmer and Blackwater Navigation The Chelmer and Blackwater Navigation is the canalisation of the Rivers Chelmer and Blackwater in Essex, in the east of England. The navigation runs for from Springfield Basin in Chelmsford to the sea lock at Heybridge Basin near Maldon. Ini ...
*
Cooks Yard Cooks Yard is a boat-building business established by Walter Cook in 1894 on the bank of the River Blackwater at Maldon, Essex, England. Originally known as Walter Cook and Son and specialising in the building of Thames sailing barges, it operat ...
– shipbuilding and repair yard on the Blackwater at Maldon *
Museum of Power The Museum of Power is located in the former Southend Waterworks (now Essex and Suffolk Water) Langford Pumping Station in Langford, Essex, England. It is on the B1019, on the main road from Maldon to Hatfield Peverel. The museum operates the L ...
Langford pumping station extracts from the Blackwater


References

{{DEFAULTSORT:Blackwater, River Rivers of Essex Braintree District Maldon District