You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "Ardleigh Reservoir supplies water to what company that is regulated under the United Kingdom Water Industry Act 1991?" whose answer is Anglian Water.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Affinity Water Limited regulation UK
Useful Output:

Doc 1: AWL is an Ofwat-regulated regional monopoly providing water services in the south east of England with an RCV of about GBP1.9 billion as of
Doc 2: The company's shadow regulated capital value at the end of the financial year ending March 2019 was GBP1.2 billion. Access Report. Corporate
Doc 3: The Drinking Water Inspectorate ('the Inspectorate') has received a regulation 28(1) report of the Water Supply (Water Quality) Regulations
Doc 4: In 2022-23, Affinity Water met all its water industry national environment programme (WINEP) obligations—requirements to improve the natural
Doc 5: The application is for a full licence to abstract groundwater near Ivel Springs, Baldock, Hertfordshire at National Grid Reference TL 24 34.