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Government of Jerseygov.je

Information and public services for the Island of Jersey

L'înformâtion et les sèrvices publyis pouor I'Île dé Jèrri

Reservoirs in use (FOI)

Reservoirs in use (FOI)

Produced by the Freedom of Information office
Authored by Government of Jersey and published on 20 January 2025.
Prepared internally, no external costs.

​​Request

I would appreciate it if you could provide the following information:

Reservoirs in Use:

1

What are the names of the reservoirs currently used by Jersey Water?

2

Where are these reservoirs located on the island?

3

How much water does each reservoir contain (in terms of capacity)?

Reservoir Connectivity:

4

Are any of these reservoirs linked to one another?

If so, how are they connected and how is water moved between them?

5

What methods are used to transport water between the reservoirs, if applicable?

Water Movement and Management:

6

What are the primary reasons for moving water between these reservoirs?

7

How frequently is water moved or transferred between them?

Flushing and Maintenance:

8

Over the past 20 years, how many times have the reservoirs been flushed or emptied to remove pesticides or other contaminants?

9

What are the procedures and reasons for flushing the reservoirs?

10

How often are the reservoirs flushed in general, and what criteria determine when it is necessary?

Regulation of Water:

11

Who regulates the water quality and water management in Jersey?

12

What bodies or authorities oversee Jersey Water and its operations, including its compliance respective Laws?

Freedom of Information Status:

13

Is Jersey Water subject to Freedom of Information (FOI) requests?

If so, could you please confirm if this request is covered under your FOI obligations?

I understand that under the Freedom of Information (Jersey) Law 2011, you are required to respond within a specific timeframe, and I would be grateful for a response at your earliest convenience.

Response

1 to 10

The information requested is not held by the Government of Jersey, therefore, Article 3 of the Freedom of Information (Jersey) Law 2011 applies, however, it may be held by Jersey Water so you might wish to send your request in writing to:

Jersey Water, St Helier, Jersey, JE1 1JW

Please note that some of the information requested may be publicly available on the Jersey Water website linked below:

Jersey Water.je - Providing the water for Island life​

11 and 12

The regulation of water quality is carried out by a number of teams within the Government of Jersey’s Infrastructure & Environment Department, Regulation Directorate; Pollution Control, Food and Public Health, Housing & Nuisance.  

The quality of water provided by Jersey Water is regulated under the Water (Jersey) Law 1972, as amended.  

The quality of water from other private sources can be regulated under Statutory Nuisances (Jersey) Law 1999

The management of water quantity is regulated under the Water Resources (Jersey) Law 2007​ 

13

Jersey Water are not a Scheduled Public Authority (SPA), therefore, they are not required to respond under Freedom of Information (Jersey) Law 2011.

Article Applied

Article 3 Meaning of “information held by a public authority”

For the purposes of this Law, information is held by a public authority if –

(a)     it is held by the authority, otherwise than on behalf of another person; or

(b)     it is held by another person on behalf of the authority​

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