Question: Ardleigh Reservoir supplies water to what company that is regulated under the United Kingdom Water Industry Act 1991?

Context paragraphs:
Einsiedel Dam: Einsiedel Dam (German: "Talsperre Einsiedel" ) is located in the German Free State of Saxony.  Its reservoir supplies drinking water to Chemnitz and, in conjunction with the Central Ore Mountains reservoir system, that includes the reservoirs of Neunzehnhain I, II and Saidenbach also supplies water to the entire region covered by the South Saxony Long Distance Water Association ("Zweckverband Fernwasser Südsachsen").

Ardleigh Reservoir: Ardleigh Reservoir is a 120 acre lake near Colchester in Essex constructed in the valley of the Salary Brook.  It supplies water both to Anglian Water and to Veolia Water East.  The lake is also used for recreational activities including sailing and angling.  Both game and coarse fish are present including pike and zander.

New Croton Reservoir: The New Croton reservoir is a narrow reservoir in Westchester County, New York, lying approximately 22 mi north of New York City, for which the reservoir supplies water.  It is the collecting point for water from all reservoirs in the Croton Watershed.

Anglian Water: Anglian Water is a water company that operates in the East of England.  Anglian Water is regulated under the United Kingdom Water Industry Act 1991.

Kayrakkum Dam: The Kayrakkum Dam, also spelt variously as Kayrakum, Kairakum, Qayraqqum or Qayroqqum, is an embankment dam on the Syr Darya River near the town of Kayrakkum in Sughd Province, Tajikistan.  It is situated on the western edge of the Fergana Valley and creates Kayrakkum Reservoir.  The reservoir supplies water for irrigation, primarily in Uzbekistan downstream, and hydroelectric power production.  The reservoir is also a Ramsar site.  The dam's power station has an installed capacity of 126 MW and is operated by Barki Tojik.  Construction on the dam began in 1952.  It began to impound its reservoir in 1956 and the first two generators were commissioned that year.  The other four were operational in 1957 and the project was complete in 1959.  The power station is currently undergoing a rehabilitation which should be completed in 2020.  Two new and larger turbines will increase the installed capacity to 142 MW.

Water Industry Act 1991: The Water Industry Act 1991 (c. 56) is an Act of the United Kingdom Parliament consolidating previous enactments relating to the water supply and the provision of wastewater services in England and Wales.  It further implemented recommendations of the Law Commission.

Crowdy Reservoir: Crowdy Reservoir is located on Bodmin Moor near Camelford in north Cornwall.  It is currently managed, jointly by the South West Lakes Trust and South West Water.  There is public access to the reservoir away from the nature reserve.  The reservoir supplies water to the North Cornwall water distribution network via treatment at the Lowermoor Water Treatment Works.

Huntsville Creek: Huntsville Creek is a tributary of Toby Creek in Luzerne County, Pennsylvania, in the United States.  It is approximately 7.5 mi long and flows through Dallas Township, Dallas, Lehman Township, Jackson Township, and Kingston Township.  The watershed of the creek has an area of 14.7 sqmi .  It is designated as a Coldwater Fishery and a Migratory Fishery.  Wisconsinan Till, Wisconsinan Ice-Contact Stratified Drift, alluvium, sandstone and shale pits, and bedrock consisting of sandstone and shale all occur in the watershed.  A 2-billion gallon reservoir known as the Huntsville Reservoir is situated on the creek.  The reservoir supplies water to 30,000 people.  The creek has one named tributary, which is known as Browns Creek.

Deer Creek Dam and Reservoir: The Deer Creek Dam and Reservoir hydroelectric facilities are on the Provo River in western Wasatch County, about 16 mi northeast of Provo, Utah.  The dam is a zoned earthfill structure 235 ft high with a crest length of 1304 ft .  The dam contains 2,810,000 cubic yards (2,150,000 m³) of material and forms a reservoir of 152,570 acre.foot capacity.  Construction began in May 1938 and was completed in 1941.  The reservoir supplies water for agricultural, municipal and industrial use.  Recreational activities on and around the reservoir include boating, fishing, camping, swimming and water skiing.

Bristol Water: Bristol Water supplies 266 million litres of drinking water daily to over 1.2 million customers in a 2600 km2 area centred on Bristol, England.  It is regulated under the Water Industry Act 1991.  Sewerage services in the Bristol area are provided by Wessex Water.

Supporting paragraphs: Ardleigh Reservoir Anglian Water
Answer: Anglian Water